Entries |
Document | Title | Date |
20080198119 | LIQUID CRYSTAL DISPLAY AND DISPLAY PANEL WITH INTEGRATED DATA-STORAGE - A liquid crystal display includes a display panel having a data-storing unit including transistors integrated into the display panel. The data-storing transistors of the data-storing unit may be formed in the same film (layer) as the TFT pixel transistors on the display panel. Each of the plurality of transistors of the data-storing unit includes an input electrode connected to one of a first voltage or a second voltage depending upon a bit of stored data, and an output electrode commonly connected to a data output terminal of the data-storing unit. The data-storing unit further includes and a Serial-In, Parallel-Out shift register supplied with a reset and first and second clock signals and connected to the input electrodes of the transistors, respectively. | 08-21-2008 |
20080198120 | LIQUID CRYSTAL DISPLAY - A small or middle-sized liquid crystal display employing a black insertion driving method overcomes the after-image or blurring of a moving picture by shifting the level of a voltage applied to a storage capacitor line within a predetermined period corresponding to about 20% to about 80% that lasts after image signals are applied to pixels until the next image signals are applied to the pixels by using two types of voltages that shift pixel voltages into a black display potential. | 08-21-2008 |
20080204392 | DISPLAY DEVICE AND DRIVING METHOD THEREFOR - A display device, includes: a plurality of thin film transistors which comprise a gate electrode, a source electrode and a drain electrode; a plurality of pixel electrodes which are respectively connected to the drain electrode of the thin film transistors; a plurality of gate lines which are respectively disposed to the opposite edge parts of the pixel electrodes in a lengthwise direction of the pixel electrodes, and connected to the gate electrode of the thin film transistors; and a plurality of data lines which are respectively disposed to a single edge part of the pixel electrodes in a widthwise direction of the pixel electrodes, and connected to the source electrode of the thin film transistors, a pair of pixel electrodes adjoining each other to interpose the single data line therebetween, and a pair of thin film transistors which are respectively connected to the pair of pixel electrodes being connected with the same single data line. | 08-28-2008 |
20080218465 | DISPLAY PANEL, DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display panel, a display apparatus and the driving method thereof are provided. The gate control signals can interactively control more number of scan lines by disposing corresponding switches between the adjacent scan lines in the display panel, wherein every two scan lines correspond to a gate control signal, so as to reduce the number of the gate driving ICs and the layout space required by the fan out area in the display panel. | 09-11-2008 |
20080224978 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display is capable of minimizing power consumption and providing an excellent image quality by having a varying array wire structure of the liquid crystal display so that the liquid crystal display can employ a low driving voltage and obtain advantages of a dot inversion drive system. Also, a driving method thereof is disclosed. | 09-18-2008 |
20080224979 | METHOD FOR IMPROVING IMAGE QUALITY OF A DISPLAY DEVICE WITH LOW-TEMPERATURE POLY-SILICON THIN FILM TRANSISTOR - The Low-Temperature Poly-Silicon thin film transistor display device of the invention arrayed with a plurality of gate lines and data lines and a switch unit and a pixel unit are located in the intersection of scan line and the data line. The device comprises a gate driven unit a data driven unit and a control unit wherein the gate driven unit provides a plurality of gate voltages to the gate lines to drive the switch unit, the data driven unit sends the corresponding video data to the gate lines, and the control unit controls the transmitting sequence of the video data to the data lines. The method of the invention includes the steps of: gate driven unit providing every N scanning signals to the scan lines and then the data driven unit switching the transmitting sequence of the video data. | 09-18-2008 |
20080246716 | Display Device - To provide a display device which can ensure high reliability of a driver circuit even when a threshold voltage of a TFT shifts. The display device includes a power supply control circuit which can apply a forward bias voltage or a reverse bias voltage to a gate of a transistor included in an output circuit, a monitor transistor which is formed to monitor the amount of change of a threshold voltage of the transistor included in the output circuit, and a threshold control circuit which controls the power supply control circuit so as to apply the reverse bias voltage to the gate of the transistor in order to compensate the threshold voltage of the transistor included in the output circuit. | 10-09-2008 |
20080246717 | Display Device - The display device includes an output circuit, a threshold control circuit which sequentially selects one of a forward bias voltage and a reverse bias voltage, and a power supply control circuit which applies one of the forward bias voltage and the reverse bias voltage which is selected to a gate of a transistor included in the output circuit. Time in which the reverse bias voltage is applied to the gate of the transistor is determined in accordance with time in which the forward bias voltage is applied to the gate of the transistor. | 10-09-2008 |
20080266229 | PIXEL STRUCTURE AND DRIVING METHOD THEREOF - A pixel structure includes a first scan line, a second scan line, a third scan line, a data line, a first thin film transistor (TFT), a second TFT, a third TFT, a first pixel electrode and a second pixel electrode. Particularly, the second scan line and the third scan line are electrically connected with each other. The first TFT is electrically connected with the first scan line and the data line. The second TFT is electrically connected with the first TFT and the second scan line. Furthermore, the third TFT is electrically connected with the third scan line and the data line. In addition, the first pixel electrode and the second pixel electrode are respectively electrically connected with the second TFT and the third TFT. | 10-30-2008 |
20080266230 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate; a second substrate which faces the first substrate and comprises a common electrode; and a liquid crystal layer located between the first and second substrates, the first substrate comprises: a data line and a gate line which cross each other; and a pixel electrode which is bent at least once and comprises a first sub-pixel electrode and a second sub-pixel electrode which are separated from each other, the first sub-pixel electrode is extended along the direction of the data line, the second sub-pixel electrode comprises a first part located on the right side of the first sub-pixel electrode and a second part located on the left side of the first sub-pixel electrode, and the data line comprises a first data line passing through the first part and a second data line passing through the second part. | 10-30-2008 |
20080278424 | DISPLAY PANEL - In a display panel including a plurality of pixels, each pixel includes a first thin film transistor, first and second liquid crystal capacitors, a coupling capacitor, and a discharge circuit. The first liquid crystal capacitor is connected to a data line through the first thin film transistor. The second liquid crystal capacitor is connected in parallel to the first liquid crystal capacitor through the coupling capacitor. The discharge circuit is connected between the coupling capacitor and the second liquid crystal capacitor, and it discharges charges stored in the second liquid crystal capacitor. | 11-13-2008 |
20080278425 | Light-Emitting Device and Electronic Equipment Using the Same - A pixel suitable for constant current operation of an active matrix type EL display device. The pixel comprises a first switch of which one terminal is connected to a source signal line whereas another terminal is connected to a current-voltage conversion element, a second switch of which one terminal is connected to the current-voltage conversion element whereas another terminal is connected to a voltage storage means and a voltage-current conversion element, a pixel electrode which is connected to the current-voltage conversion element and the voltage-current conversion element, and a third switch of which one terminal is connected to the pixel electrode whereas another terminal is connected to the power source line. | 11-13-2008 |
20080284703 | METHOD AND APPARATUS TO GENERATE CONTROL SIGNALS FOR DISPLAY-PANEL DRIVER - A method to generate control signals for a display-panel driver, which needs to receive a set of predetermined number of input signals so as to output a set of control signals. The method includes starting with a reset process. The display-panel driver receives a first part of the set of input signals through multiple input terminals. At least two of the input terminals are used as secondary input terminals, and at least two enabling input signals of different definitions are input, respectively. The enabling input signals internally enable a control signal generator to generate a second part of the set of input signals. The second part of the set of input signals and the first part of the set of input signals form a complete set of input signals. When a serial data of the input signals cannot satisfy the predetermined format, the method goes back to the reset process. | 11-20-2008 |
20080291145 | LIQUID CRYSTAL DISPLAY PANEL, THIN FILM TRANSISTOR ARRAY SUBSTRATE AND CURING LINE STRUCTURE FOR PHASE SEPARATION ALIGNMENT PROCESS - The present invention discloses a liquid crystal display panel, a thin film transistors array substrate and curing line structure thereof in use of phase separation alignment (PSA) process. The curing line structure has a contact pad allocated on a periphery area of the substrate, and a transmission line extending from the contact pad, passing over a sealant-distributing area of the substrate, to be electrically connected with at least one common line located on a pixel expression area of the substrate. A predetermined interval is kept between the transmission line and each of the adjacent transmission lines on the substrate to ensure a non-electrical contact between the transmission line and the adjacent transmission lines. | 11-27-2008 |
20080291146 | Liquid crystal display with coupling line for adjusting common voltage and driving method thereof - An exemplary liquid crystal display includes parallel data lines, a data driver configured for driving the data lines, a coupling line crossing the data lines, a common electrode layer, and a common voltage generator configured for applying common voltages to the common electrode layer. The common voltage generator is connected to the coupling line. When data driver applies a plurality of data signals to the data lines, the data signals generate an influence signal at the coupling line. The common voltage generator adjusts common voltages applied to the common electrode layer according to the influence signal. A related method for driving the liquid crystal display is also provided. | 11-27-2008 |
20080303769 | IMAGE DISPLAY DEVICE AND DRIVE CIRCUIT - The present invention aims to provide an image display device capable of reducing power consumption, and a drive circuit used in the same. The present invention relates to an image display device including signal lines, scanning lines, lines, transistors, capacitances, and a drive circuit. The drive circuit of the image display device has configuring active elements of a same conductivity type and has the active elements simultaneously formed on a same substrate as said transistor; and includes switching circuits for generating a first switching signal and a second switching signal for switching a voltage level of a drive signal based on a predetermined signal, and outputting the signals, an output level holding circuit for holding the voltage levels of the first switching signal and the second switching signal for a predetermined period based on a repeating signal, and an output circuit for generating the drive signal based on the first switching signal and the second switching signal, and outputting the drive signal to the line. | 12-11-2008 |
20080303770 | Liquid Crystal Display Device - A counter voltage supply circuit has an inverting amplifier that inversely amplified a voltage detected from a specified part of a counter electrode of a liquid crystal display panel and supplies the amplified voltage to a counter voltage supply end of the counter electrode. The inverting amplifier includes an operational amplifier having a feedback resistor connected between an inverting input terminal and an output terminal. The feedback resistor includes a first resistor, and n resistors each of which is connected parallel to the first resistor via a switching element. As the n switching elements are selectively turned on and off by a switching element control circuit in accordance with a scanning position, the resistance value of the feedback resistor is varied and the gain of the operational amplifier is changed. Cross-talk due to coupling noise to the counter electrode generated by AC driving of a video voltage and deterioration in display quantity of a display image on the liquid crystal display panel can be prevented. | 12-11-2008 |
20080309605 | Liquid crystal display and method of testing the same - A liquid crystal display is capable of detecting a failure of a gate driver, and a method of testing the same are provided. The liquid crystal display includes a liquid crystal display panel on which liquid crystal cells connected to thin film transistors (TFTs) located at crossings between gate lines and data lines are formed, a data driver that drives the data lines of the liquid crystal display panel, and a gate driver which includes first to nth stages (n is a natural number larger than 1) formed on the liquid crystal display panel that generates normal scan signals for turning on the TFTs in a normal mode, and that generates test scan signals for turning off the TFTs in a test mode. | 12-18-2008 |
20080316158 | Driving Method and Apparatus for an LCD Panel - A driving method for an LCD panel includes generating a sequence, generating a plurality of gate driving signals, determining a gate-on sequence of the plurality of gate driving signals according to the sequence, and driving pixels of the LCD panel using the plurality of gate driving signals according to the gate-on sequence for displaying images. | 12-25-2008 |
20080316159 | Liquid crystal display device with scanning controlling circuit and driving method thereof - A liquid crystal display (LCD) device includes a liquid crystal panel, a gate driver, gate lines, a data driver, and a scanning controlling circuit. The gate driver is configured for providing scanning signals to the gate lines. The scanning controlling circuit is connected between the gate driver and the gate lines and controls the gate driver to scan the odd-row gate lines in a first half-frame time, and scan the even-row gate lines in a second half-frame time. | 12-25-2008 |
20090009458 | THIN FILM TRANSISTOR ARRAY PANEL AND DISPLAY APPRATUS HAVING THE SAME - A thin film transistor (TFT) array panel and a display device having the same are provided. The TFT array panel includes a substrate, an n−1th and an nth gate line formed on the substrate, a data line intersected with the n−1th gate line, a first source electrode overlapped with at least one portion of the n−1th gate line and connected to the data line, a first and a second drain electrode overlapped with at least one portion of the n−1th gate line and facing the first source electrode, a first sub pixel electrode electrically connected to the first drain electrode, a second sub pixel electrode electrically connected to the second drain electrode, a second source electrode overlapped with at least one portion of the nth gate line and electrically connected to the second sub pixel electrode, a third drain electrode overlapped with at least one portion of the nth gate line and facing the second source electrode, a third source electrode overlapped with at least one portion of the nth gate line, a fourth drain electrode overlapped with at least one portion of the nth gate line and facing the third source electrode, a third sub pixel electrode electrically connected to the fourth drain electrode; and a fourth sub pixel electrode capacitively coupled with the third sub pixel electrode. | 01-08-2009 |
20090015533 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device including a plurality of scanning lines, a plurality of data lines, a plurality of pixel electrodes, a capacitor electrode, a control circuit, a scanning line driving circuit, and a data line driving circuit. | 01-15-2009 |
20090015534 | Semiconductor device and electronic device - A channel forming region of a thin-film transistor is covered with an electrode and wiring line that extends from a source line. As a result, the channel forming region is prevented from being illuminated with light coming from above the thin-film transistor, whereby the characteristics of the thin-film transistor can be made stable. | 01-15-2009 |
20090021464 | DIGITAL DRIVING METHOD FOR LCD PANELS - A liquid crystal display (LCD) with a driver IC and an LCD panel having source and gate lines. A gate driver is disposed in the LCD panel for sequentially supplying scan signals to the gate lines of the panel. A source driver in the driver IC converts pixel data into an analog source signal and supplies the signal to the source lines. A lookup table is stored with a mapping of possible luminance values for pixels of the LCD panel onto at least one luminance control parameter. The source driver converts the pixel data so that a voltage of the analog source signal increases during a gate scan period depending on the luminance control parameter in such a way that at the end of the gate scan period a voltage at a corresponding pixel electrode is equal to an analog value corresponding to the pixel data. | 01-22-2009 |
20090027324 | Liquid Crystal Display With Wide Viewing Angle - A LCD with wide viewing angle includes a gate driving circuit, a data driving circuit, and a plurality of pixels. Each pixel includes two sub-pixels. The data driving circuit includes a plurality of data lines for transmitting a plurality of data driving signals to the pixels for display. The gate driving circuit includes a plurality of gate lines and common lines. The pluralities of gate lines sequentially transmit gate driving signals to the corresponding pixels. The pluralities of common lines sequentially transmit common driving signals to the corresponding pixels according to the gate driving signals. | 01-29-2009 |
20090027325 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method therefor includes a plurality of unit pixels arranged in a matrix form, a plurality of gate lines extending in a row direction and connected to the unit pixels, respectively, pluralities of first and second data lines extending in a column direction and connected to the unit pixels, respectively, a plurality of charge control lines extending in the row direction and connected to the unit pixels, respectively, a plurality of gate connection lines connected to at least two adjacent gate lines, respectively, and a plurality of charge connection lines connected to at least two adjacent charge control lines, respectively. | 01-29-2009 |
20090033608 | DISPLAY DEVICE - A display device includes: a first display substrate having a plurality of pixel electrodes, a plurality of data lines disposed parallel with each other and that cross a center portion of the pixel electrodes, a plurality of gate lines that cross the data lines, and a plurality of driving thin film transistors connected with the data lines, the gate lines and the pixel electrodes; a second display substrate disposed opposite to the first display substrate having a common electrode, a liquid crystal layer disposed between the first display substrate and the second display substrate; wherein one of the data lines supplies a data voltage to the pixel electrodes crossed by the one of the data lines and to the pixel electrodes crossed by the adjacent one of the data lines alternately along a longitudinal direction of the data lines. | 02-05-2009 |
20090033609 | Display Device - The present invention provides a technique which can prevent the disconnection of lines in the vicinity of terminal portions formed on an end portion of a TFT substrate of a liquid crystal display panel. Terminal portions for supplying electric signals to scanning lines are formed on a TFT substrate. Auxiliary lines and connection lines are formed between the terminal portions and the scanning lines in order from the terminal portions. A line width of the auxiliary line is set to 20 μm or more and the auxiliary lines extend to a region where the TFT substrate is covered with the color filter substrate. Although the connection lines connect the auxiliary lines and the scanning lines, for making the resistances from the terminal portions uniform, a line width of the connection line at a center portion of a flexible printed circuit board is set to a small value and a line width of the connection line at a peripheral portion of the flexible printed circuit board is set to a large value. At the center portion of the flexible printed circuit board, the line width of the connection line is set smaller than a line width of the auxiliary line. Due to such a constitution, it is possible to prevent the occurrence of the disconnection in the vicinity of the terminal portions attributed to a glass debris or the like. | 02-05-2009 |
20090040159 | Display driver, display device, and drive method - A display driver including: a data line driver circuit which drives an output line based on a drive voltage corresponding to display data; a first switching element connected between a first power supply line and the output line; a second switching element connected between a second power supply line and the output line; and a switch control circuit which controls the first and second switching elements. The lengths of first and second periods are determined based on at least part of the display data in a horizontal scanning period which is immediately before a current horizontal scanning period. The first and second switching elements are respectively turned ON and OFF in the first period, and are respectively turned OFF and ON in the second period. After the second period, the first and second switching elements are turned OFF, and the output line is driven by the data line driver circuit. | 02-12-2009 |
20090051639 | Method and device for reducing voltage stress at bootstrap point in electronic circuits - A discharging device is used to reduce the voltage level at a bootstrap point in an electronic circuit such as a shift register circuit. In such a circuit, a first transistor in a conducting state receives an input pulse and conveys it to the gate terminal of a second transistor, causing the second transistor to be in a conducting state. This gate terminal is known as a bootstrap point. After receiving the input pulse, an output pulse is produced at one drain/source terminal of the second transistor. During the time period of the output pulse, the first transistor is in a non-conducting state and the voltage level at the bootstrap point is high, imposing a stress upon the first transistor. A discharging circuit consisting of at least one transistor is coupled to the bootstrap point in order to reduce the voltage level at the output pulse period. | 02-26-2009 |
20090051640 | Display Device - A flexible display device bendable in a certain direction is realized. R, G, and B pixels are arranged in a mosaic pattern. The display is bendable in a first direction, but is not assumed to be bent in a second direction. A data line extends in the first direction and a select line extends in the second direction. In order to prevent accumulation of distortion in the data line and breakage of the data line when the display is bent in the first direction, the data line is formed into a crank shape. Accordingly, even when the display is bent, an amount of distortion accumulated in the data line corresponds to only a length thereof in the first direction, and therefore, the distortion can be reduced. As a result, breakage of a wire in a flexible display can be prevented. | 02-26-2009 |
20090058781 | GATE DRIVING DEVICE FOR LIQUID CRYSTAL DISPLAY - The invention relates to a gate driving device for Thin Film Transistor liquid crystal display comprising: a plurality of shift registers directly deposited on an array substrate, said shift registers being composed of effect transistors and a capacitor, obtaining a gate driving signal voltage by controlling an input signal. Said shift register can be realized by 5-layer mask process or 4-layer mask process, by arranging the field effect transistors on the margin part outside the active region on the substrate or at the edge of the substrate, and then directly depositing them on an array substrate. The invention obtains a gate driving signal voltage by the shift registers directly deposited on the substrate, thus overcoming the shortage of the need of driving chips and film layers in the prior art, substantially reducing the production cost for LCD. | 03-05-2009 |
20090066625 | Electronic newspaper - We describe an electronic newspaper system which comprises an electronic newspaper device further comprising a low power flexible display, a radio for receiving information, a processor for processing said information for display and manipulation, memory for storing information and a battery for storing power in communication with a remote computer server capable of aggregating newspaper content and transmitting said content to said device. Additional aspects may include input means for inputting information, a back channel radio for sending information out and tracking means for tracking the position of the newspaper device. A further additional aspect of the invention comprises a business means comprising an electronic marketplace for electronic newspaper content. | 03-12-2009 |
20090066626 | PIXEL STRUCTURE AND FORMING METHOD AND DRIVING METHOD THEREOF - A pixel structure, disposed on a first substrate, and electrically coupled to at least one scan line and at least one data line is provided. The pixel structure includes a first switch device, a second switch device, at least one pixel electrode, at least one control electrode, and at least one coupling electrode. The first switch device is electrically coupled to the scan line and the data line. The second switch device is electrically coupled to the scan line and the data line. The pixel electrode is electrically coupled to the second switch device. The control electrode is electrically coupled to the first switch element. The coupling electrode is disposed under the control electrode. | 03-12-2009 |
20090073100 | SIGNAL TRANSMISSION FILM AND A LIQUID CRYSTAL DISPLAY PANEL HAVING THE SAME - A liquid crystal display of compact size is disclosed. The liquid crystal display has a signal transmission film and a single integrated PCB for processing a gate driving signal and data driving signal. The signal transmission film includes a base substrate, a gate driver IC formed on said base substrate, an input pattern formed on said base substrate that applies gate driving signals input from an external device to the gate driver IC, a first output pattern formed on said base substrate that outputs a first gate driving signal processed in said gate driver IC, and a second output pattern formed on said base substrate, that outputs a second gate driving signal bypassing the gate driver IC among the gate driving signals. | 03-19-2009 |
20090079684 | ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME - An electro-optical device includes a pixel circuit with a driving transistor element, a storage capacitor, and a capacitive element. The driving transistor element is electrically connected to a corresponding data line and a corresponding driving electrode. The storage capacitor is electrically connected to the driving transistor element and the driving electrode. The storage capacitor holds an image signal supplied through the corresponding data line as potential at the driving electrode. The capacitive element is electrically connected to the driving transistor element and the driving electrode. The capacitive element compensates for a change in the potential of the driving electrode when the driving transistor element is switched from a selection state to a non-selection state. The capacitive element is supplied with a correction signal that defines timing at which the potential of the capacitive element is controlled. | 03-26-2009 |
20090085852 | DRIVING APPARATUS, SYSTEM AND METHOD THEREOF - A driving apparatus, a system and a method thereof is provided by the present invention. The driving apparatus has at least an output terminal and includes a driving circuit and a control switch. The control switch is electrically coupled with the driving circuit. The driving circuit receives an input signal and converts the input signal into an analog driving signal. The control switch is controlled by a control signal. When the control switch is turned on, the analog driving signal is able to be sent to the output terminal of the driving apparatus. The control signal further controls the spike current generated as turning on the control switch so as to reduce the spike current. The driving apparatus can be applied to an LCD system, so that the panel and the chips of the LCD system have longer life time, lower electricity consumption and better heat dissipation performance. | 04-02-2009 |
20090085853 | DISPLAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A display substrate includes an insulation substrate, an (n)-th gate line, a data line, first and second source electrodes, first and second drain electrodes, a pixel electrode, a third drain electrode, and a storage line. The first source electrode overlaps a first portion of the (n)-th gate line and is electrically connected to the data line. The first and second drain electrodes overlap a second portion of the (n)-th gate line. The pixel electrode is connected to the first drain electrode. The second source electrode overlaps a first portion of an (n+1)-th gate line, while the third drain electrode overlaps a second portion thereof. The storage line overlaps a portion of each of the pixel electrode and the second and third drain electrodes. The second source electrode is formed by extending the second drain electrode in a direction substantially from the (n)-th gate line towards the (n+1)-th gate line. | 04-02-2009 |
20090085854 | DISPLAY UNIT - The invention provides a display unit that has a display area and first and second photodetectors | 04-02-2009 |
20090102773 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes thin film transistors (TFTs) respectively coupled to different gate lines and to a pixel electrode and a direction control electrode, and to which different gate-off voltages are respectively applied. Alternatively, a reduced gate voltage is applied to the pixel electrode TFT according to a coupling capacitance. Alternatively, the pixel and direction control TFTs are coupled to the same gate line, and portions of a gate insulating layer are formed with different thicknesses. Resulting differences in the voltages respectively applied to the two TFTs or in the electric fields respectively applied to the two electrodes prevent leakage current of the direction control electrode TFT, thereby enabling stable multi-domains to be implemented in the LCD without applying a high voltage. | 04-23-2009 |
20090102774 | ELECTRO-OPTICAL DEVICE - Provided is an electro-optical device including a device substrate having a pixel region in which a plurality of pixels each including a pixel electrode and a pixel transistor are arranged, wherein, in the device substrate, a temperature detection resistance line extends along at least a half of the whole periphery of the pixel region on the periphery of the pixel region. | 04-23-2009 |
20090102775 | LOW POWER DRIVING METHOD AND DRIVING SIGNAL GENERATION METHOD FOR IMAGE DISPLAY APPARATUS - By a low power consumption driving method for an image display apparatus, unusual display may be prevented even if gate driving is not enough. When a rising edge of an output enable pulse is detected, a logic LOW gate driving signal is discharged to GND. When a falling edge of the output enable pulse is detected, the gate driving signal at GND is charged to logic HIGH. When a rising edge of the next output enable pulse is detected, the gate driving signal at logic HIGH is discharged to GND. When a falling edge of the next output enable pulse is detected, the gate driving signal at GND is charged to logic LOW. The image display apparatus is driven by the generated gate driving signals. | 04-23-2009 |
20090109157 | DOT-MATRIX DISPLAY REFRESH CHARGING/DISCHARGING CONTROL METHOD AND SYSTEM - A dot-matrix display data refresh charging/discharging control method and system is proposed, which is designed for integration to a dot-matrix display device for providing a data refresh charging/discharging control mechanism on the dot-matrix display device. The proposed method and system is characterized by the capability of prior to a data refresh action on each pixel, switching the pixel for connection to a voltage-neutralizing point for the purpose of neutralizing the current data voltage charge on the pixel to substantially approach zero voltage level; and subsequently during the data refresh action, charging a new data voltage into the pixel. This feature allows the operation of the dot-matrix display device to have faster speed and low power consumption. | 04-30-2009 |
20090121995 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display (LCD) and method for driving the LCD using one or more polarity inversion methods is provided. In one embodiment, the invention relates to a method of driving an LCD comprising a liquid crystal panel partitioned by a plurality of gate lines and data lines and including a plurality of liquid crystal cells arranged in a matrix and auxiliary lines adjacent to and parallel to the gate lines, the auxiliary lines coupled with the plurality of liquid crystal cells, the method including supplying an auxiliary voltage that increases from a low level to a high level on a first pair of auxiliary lines adjacent to each other for a jth frame period, supplying an auxiliary voltage that decreases from a high level to a low level on a second pair of auxiliary lines adjacent to each other for the jth frame period, supplying the auxiliary voltages at levels opposite to the levels of the jth frame period on the first and second pairs of auxiliary lines in a (j+1)th frame period. | 05-14-2009 |
20090121996 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided with: a number of gate signal lines and a number of drain signal lines formed so as to cross the gate signal lines provided on the surface of one of a pair of substrates provided so as to face each other with liquid crystal in between on the liquid crystal side; and thin film transistors connected to a gate signal line and a drain signal line, pixel electrodes to which a video signal is supplied from a drain signal line via a thin film transistor, and a counter electrode to which a reference signal which becomes a reference for the video signal is supplied via a counter voltage signal line provided in pixel regions surrounded by a pair of adjacent gate signal lines and a pair of adjacent drain signal lines, and is characterized in that the above described counter electrodes are formed of a transparent conductive film, the above described pixel electrodes are formed of a transparent conductive film and on the liquid crystal side relative to the above described counter electrodes via an insulating film, and the above described counter voltage signal lines are formed in the direction in which the above described gate signal lines run so as to overlap with the above described gate signal lines via the above described insulating film and be electrically connected to the above described counter electrodes via contact holes created in the above described insulating film. | 05-14-2009 |
20090135122 | LIQUID CRYSTAL DISPLAY AND PRE-CHARGING METHOD THEREOF - A liquid crystal display and a pre-charging method thereof for pre-charging data lines using a ESD circuit to simplify a circuit configuration are provided. In the method, video lines receiving video signals are floated in a pre-charge interval of time. A pre-charge voltage is supplied to the video lines floated via a static electricity proof circuit connected to the video lines. The pre-charge voltage on the video line is pre-charged by a demultiplexer for making a time-divisional driving of the data lines in a video charge interval of time. | 05-28-2009 |
20090153459 | Picture element structure of current programming method type active matrix organic emitting diode display and driving method of data line - The present invention provides a novel structure of picture elements in current programming-type semiconductor devices, and in particular, the structure of picture elements of an active matrix organic light emitting diode (OLED) display. The device makes a self-compensation for OLED current deviations due to the deterioration in threshold voltage and uneven electric characteristic in thin film transistors. The invention also provides a method for driving a data driver capable of compensating for the uneven electric characteristic of thin film transistors in the driver for driving picture elements in the current programming-type active matrix OLED display device. | 06-18-2009 |
20090167663 | Liquid Crystal Display Apparatus and Bandgap Reference Circuit Thereof - A liquid crystal display apparatus comprises a system-on-glass (SOG) and a bandgap reference (BGR) circuit. The BGR circuit, which is formed on the SOG, comprises a current mirror set and a diode set. The current mirror set is configured to generate a plurality of fixed currents. The diode set, which is formed by a plurality of diode-connected thin film transistors (TFT), is configured to generate a BGR voltage according to the fixed currents. | 07-02-2009 |
20090174642 | Liquid crystal display device and driving method thereof - A liquid crystal display (LCD) device and a driving method can produce reduced direct current image sticking and flicker. An LCD panel for the LCD device has liquid crystal cells having a common same color in each horizontal line and has columns of liquid crystal cells having a repeating sequence of color, a timing controller for generating a polarity control signal such that the polarity control signal is varied at intervals of one frame period, a data driving circuit supplying data voltages to the data lines in response to the polarity control signal, and a gate driving circuit supplying scan pulses to the gate lines. The liquid crystal cells include first liquid crystal cell groups supplied with data voltages having polarities inverted from polarities the previous frame period, and second liquid crystal cell groups supplied with data voltages having polarities identical to the polarities supplied in the previous frame period. | 07-09-2009 |
20090184910 | CIRCUIT BOARD AND DISPLAY DEVICE INCLUDING THE SAME - One or more embodiments of the present disclosure relate to a circuit board having a substrate and a plurality of differential signal lines formed on the substrate and transmitting differential signals. The differential signal lines include a first signal line and a second signal line. The first signal line and the second signal line extend along at least two paths that are parallel to each other. The paths of the first signal line and the second signal line switch at path change portions, and the path change portions of neighboring differential signal lines are positioned at different distances away from an edge of the circuit board along the length direction of the differential signal line. | 07-23-2009 |
20090184911 | DISPLAY DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC DEVICE USING THE DISPLAY DEVICE - A display device is provided in which a signal line can be shared by a plurality of pixels and data supplied from scan lines can be distributed to a desired pixel selected from the plurality of pixels. The display is characterized in its circuit structure of the plurality of pixels, which allows the signal line to be shared by neighboring three pixels. This circuit structure results in the reduction of the number of signal lines and the simplification of the structure of the signal line driver circuit, which contributes to the reduction of the power consumption and miniaturization of the signal line driver circuit. The detailed structure of the display device is defined in the specification. | 07-23-2009 |
20090195489 | Thin film transistor substrate having high aperture ratio and method of manufacturing same - An exemplary TFT substrate ( | 08-06-2009 |
20090213057 | DISPLAY DEVICE - Provided is a display device including a level shift circuit, which includes a thin film transistor having a polycrystalline semiconductor layer, and which realizes a reliable operation even when a threshold of the thin film transistor varies. The display device includes: a board; and the level shift circuit which includes the thin film transistor having the polycrystalline semiconductor layer, and is formed on the board, in which the level shift circuit includes: a plurality of source-input level shift circuits including a plurality of unit level shift circuits having drain resistors different in value from one another; and a selection circuit, which selects one of outputs from the plurality of unit level shift circuits as an output from a normally operated unit level shift circuit. | 08-27-2009 |
20090231259 | APPARATUS AND METHOD FOR ELIMINATING IMAGE STICKING OF LIQUID CRYSTAL DISPLAY - An apparatus and a method for eliminating an image sticking of a liquid crystal display (LCD) are provided. The image sticking occurs when the LCD is turned off. The LCD includes a data driver and a number of pixels coupled to a common voltage. The apparatus includes a voltage detector and a voltage switching device. The voltage detector detects a system voltage of the LCD and outputs a control signal according to the system voltage. The voltage switching device is coupled to the voltage detector for selectively providing a data voltage or the common voltage as a driving voltage of the data driver according to the control signal. The voltage switching device is controlled by the control signal to provide the common voltage to the data driver when the system voltage is less than a reference voltage. | 09-17-2009 |
20090237341 | Gate driving module and LCD thereof - A gate driving module drives a display device having a plurality of first switch units. The gate driving module includes a gate driving circuit, a switch controlling circuit, and a plurality of switch sets. The gate driving circuit includes a plurality of first output ends for outputting a plurality of gate driving signals. The switch controlling circuit includes a plurality of second output ends for outputting a plurality of switch controlling signals. Each switch set includes at least two second switch units. One end of each second switch unit is coupled to a corresponding first output end of the gate driving circuit, the other end of each second switch unit is coupled to the control end of a corresponding first switch unit, and the control end of each second switch unit is coupled to a corresponding second output end. | 09-24-2009 |
20090237342 | Liquid crystal display device - A liquid crystal display device which can enhance a numerical aperture is provided. In a so-called IPS-method liquid crystal display device, the pixel electrode is formed of a transparent conductive film having a planar shape which is formed in each pixel region on a first insulation film formed on the first substrate to cover the gate signal line, the counter electrode is formed of a transparent conductive film including plural linear portions arranged parallel to each other and a frame portion connecting end portions of the linear portions to each other, the transparent conductive film of the counter electrode being formed on a second insulation film formed on the first substrate to cover the pixel electrode, and the plurality of linear portions of the counter electrode being arranged on the pixel electrode in an overlapping manner, and assuming two pixels which are arranged adjacent to each other with the gate signal line formed as a boundary therebetween as a first pixel and a second pixel respectively, a gate-signal-line side of the pixel electrode of the first pixel is formed on a first-pixel side of the gate signal line in an overlapping manner, and a gate-signal-line side of the pixel electrode of the second pixel is formed on a second-pixel side of the gate signal line in an overlapping manner, and the gate-signal-line-side frame portion of the counter electrode of the first pixel and the gate-signal-line-side frame portion of the counter electrode of the second pixel are formed in common on the gate signal line in a striding manner. | 09-24-2009 |
20090237343 | Liquid crystal display - This present invention provides a liquid crystal display (LCD) device in which the sub-pixel is provided with three different voltage levels, so that image quality is improved without the configuration of additional gate lines. The present invention overcomes the reduction of aperture ratio in conventional LCD devices due to the configuration of additional gate lines. By the present invention, the white washout problem relating to the off-axis viewing angle can be overcome while the aperture ratio is not reduced. | 09-24-2009 |
20090237344 | Liquid crystal display with infrared detection layer and remote control display system with same - An exemplary liquid crystal display includes a thin film transistor (TFT) substrate, a color filter substrate opposite to the TFT substrate, and a liquid crystal layer sandwiched between the TFT substrate. The color filter substrate includes a plurality of color units and a first infrared detection layer arranged between the color units. The first infrared detection layer is configured to detect infrared light beams irradiating thereon and determine an irradiated position thereof. A remote control display system employing the liquid crystal display is also provided. | 09-24-2009 |
20090243985 | CONTACT STRUCTURE OF CONDUCTIVE FILMS AND THIN FILM TRANSISTOR ARRAY PANEL INCLUDING THE SAME - A thin film transistor array panel is provided, which includes: a display cell array circuit including a plurality of gate lines, a plurality of data lines, a plurality of thin film transistors, and a plurality of pixel electrodes; a gate driving circuit supplying gate signals to the gate lines; and a signal line connected to the gate driving circuit and including first and second line segments separated from each other and a connection member connected to the first and second line segments through at least a contact hole exposing at least one of the first and the second line segments. | 10-01-2009 |
20090262058 | DISPLAY APPARATUS HAVING REDUCED KICKBACK VOLTAGE - A display apparatus includes; a display panel including a plurality of data lines which receive a data signal, a plurality of gate lines which receive a gate signal and a plurality of pixels, a data driving circuit which provides the data liens with the data signal, and a gate driving circuit which sequentially applies the gate signal to the plurality of gate lines, wherein an area between an i | 10-22-2009 |
20090267882 | Common voltage generator, display device including the same, and method thereof - The common voltage generator includes an operational amplifier and a plurality of switches. The operational amplifier is configured to amplify a difference between a first voltage and a second voltage and to output the amplified voltage as a common voltage. The plurality of switches are configured to transmit a third voltage and a fourth voltage as a power supply to the operational amplifier in a first voltage output mode and to transmit a fifth voltage and a sixth voltage as a power supply to the operational amplifier in a second voltage output mode. | 10-29-2009 |
20090289884 | DISPLAY DEVICE - In a display device having a plurality of scan signal line driving circuits, its display quality is improved. The display device comprises a plurality of scan signal lines, a plurality of image signal lines, and a plurality of scan signal line driving circuits for generating scan signals for driving the scan signal lines. Each of the scan signal line driving circuit internally generates a driving signal having the waveform of such potential variation that the potential decreases with a slope from a high potential to an intermediate potential between the high potential and a low potential. Each of the scan signal line driving circuits further includes a signal wiring for connecting the scan signal line driving circuits to one another and applying the driving signal. | 11-26-2009 |
20090295695 | Display Apparatus, Pixel Structure and Driving Method Thereof - A display apparatus, pixel structure and drive method thereof are provided. The display apparatus comprises a gate drive chip, a first gate line, a second gate line, a first pixel unit, and a second pixel unit. The gate driver is configured to generate a first gate drive signal and a second gate drive signal. The first and second gate drive signals are outputted to the first and second gate lines, respectively. Furthermore, the first and second gate drive signals are configured to adjust a first feed through (FT) voltage generated by a first pixel area of the first pixel unit, a second FT voltage generated by a second pixel area of the first pixel unit, a third FT voltage generated by a first pixel area of the second pixel unit, and a fourth FT voltage generated by a second pixel area of the second pixel unit. | 12-03-2009 |
20090295696 | DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE - A display device which can ensure the correction of a black spot, for example, in forming an opening portion in a portion of a scanning signal line where the scanning signal line intersects a video signal line and forming a semiconductor layer and a conductor layer by a resist reflow method is provided. A conductor layer includes a video signal line, a drain electrode, a source electrode, and a connecting line. A semiconductor layer is formed so as to cover at least a region of the insulation film which is larger than a region where the video signal line and the connecting line are formed. The connecting line is connected with the video signal line over an opening portion which is formed in the scanning signal line. A cutout portion, a projecting portion or an enlarged-width portion is formed on the video signal line and/or the connecting line in a region which corresponds to the opening portion or in the vicinity of the region. | 12-03-2009 |
20090295697 | Liquid crystal display panel - A liquid crystal display (LCD) panel includes scanning lines to receive scanning signals, data lines to receive data signals; and pixel pairs. Each pixel pair includes a first pixel and a second pixel. The first pixel includes a first thin film transistor (TFT), and the second pixel includes a second TFT. The first pixel and the second pixel of each pixel pair are arranged on two sides of the data line in each row, and connected to a single data line via the first TFT and the second TFT respectively. One of the two TFTs is a p-type TFT, and the other one is an n-type TFT. | 12-03-2009 |
20090295698 | DISPLAY APPARATUS - A display apparatus having a plurality of scanning lines and a plurality of signal lines is provided. A plurality of first pixels are arranged between first and second scanning lines adjacent to each other, and arranged near at least some of the signal lines. A plurality of second pixels are arranged, some on one side of the signal line arranged near the first pixels, and the others on the other side of the signal. A plurality of first switching elements are connected to the first pixels, to the signal line near the first pixels and to the first scanning line. A plurality of second switching elements are connected to the second pixels and to the signal line near the first pixels. A plurality of third switching elements are connected to the second switching elements, to the first scanning line and to the second scanning line. | 12-03-2009 |
20090295699 | DRIVE CIRCUIT, ACTIVE MATRIX SUBSTRATE, AND LIQUID CRYSTAL DISPLAY DEVICE - Off-leak current of a TFT, required for a drive circuit configured with a TFT of a single conductivity type, is realized with simple manufacturing steps. The impurity concentration of a source region and a drain region of a TFT is set between 2*10 | 12-03-2009 |
20090295700 | Display Device - A display device includes a display region which is constituted of a plurality of partial regions, and drive circuits which are connected to a plurality of video signal lines for respective partial regions. The video signal lines and the drive circuits are connected with each other via relay lines. A center line of the drive circuit and a center line of the partial region are arranged at positions displaced from each other, and the relay lines have a bent portion between the drive circuit and the video signal lines. By forming the bent portion on the relay line, the line resistances of the relay lines can be adjusted thus decreasing display irregularities generated by the positional displacement of the drive circuit. | 12-03-2009 |
20090295701 | Display Device and Manufacturing Method Thereof - A display device which surely allows the black-spot-forming correction at the time of forming an opening portion in a portion of a scanning signal line where a scanning signal line and a video signal line intersects each other and forming a semiconductor layer and a conductor layer by a resist flow method is provided. A scanning signal line which forms an opening portion in a portion thereof which intersects a video signal line, an insulation film, a semiconductor layer which covers a region which spreads larger than a conductor layer, and the conductor layer are sequentially stacked. The conductor layer includes the video signal line, a drain electrode and a source electrode of a thin film transistor, and a connecting line which connects the video signal line and the drain electrode. The connecting line is branched from the video signal line over the opening portion, and the opening portions is formed in a projecting manner toward both edges of the scanning signal line such that a width of the opening portion in the direction which intersects the connecting line is set larger than a width of the semiconductor layer. | 12-03-2009 |
20090309822 | Array substrate for in-plane switching mode liquid crystal display device - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate; a gate insulating layer on the gate line; first and second data lines on the gate insulating layer and crossing the gate line to define a pixel region; a first thin film transistor (TFT) in the pixel region and connected to the gate line and the first data line; a second TFT in the pixel region and connected to the gate line and the second data line; a passivation layer on the first and second data lines and the first and second TFTs; a first pattern connected to the first TFT and extending along the gate line; a plurality of first electrodes connected to the first pattern and spaced apart from each other, the plurality of first electrodes parallel to the first and second data lines; a second pattern extending to be parallel to the first pattern; a second electrode extending along the first data line and spaced apart from the first data line by a first distance; a third electrode connected to the second pattern and extending along the second data line, the third electrode connected to the second TFT and spaced apart from the second data line by a second distance; and a plurality of fourth electrodes connected to the second pattern and alternately arranged with the plurality of first electrodes, wherein the plurality of first electrodes and the plurality of fourth electrodes are disposed between the second and third electrodes. | 12-17-2009 |
20090309823 | ELECTRONIC DEVICE AND DRIVING METHOD THEREOF - A pixel is provided in which normal display of an image is possible even if a sustain period is shorter than an address period in a driving method combining digital gray scales and time gray scales, and in which operation can be compensated by changing the electric potential of a signal line even for a case in which the EL driver transistor becomes normally on due to deterioration. One of a source region and a dram region of an erasure TFT is connected to an electric current supply line, and the remaining one of the source region and the drain region is connected to a gate signal line. It is possible to change the voltage between a gate and a source of an EL driver TFT by changing the electric potential of the gate signal line so that the EL driver TFT is placed in a non-conducting state with certainty with this structure, even for cases in which the EL driver TFT becomes normally on due to a shift in the value of its threshold voltage. | 12-17-2009 |
20100020001 | ACTIVE MATRIX ARRAY DEVICE - An active matrix array device comprises an array of device elements, each device element having an associated circuit. Each circuit comprises an addressing switch ( | 01-28-2010 |
20100026615 | Liquid Crystal Display Device - A liquid crystal display device includes a plurality of video signal lines; a plurality of video signal input terminals, the number of which is less than the number of video signal lines; and a switch circuit interposed between the plurality of video signal input terminals and the plurality of video signal lines, wherein | 02-04-2010 |
20100039361 | GATE SWITCH APPARATUS FOR AMORPHOUS SILICON LCD - A gate switch apparatus of a-Si LCDs is provided. The gate switch apparatus is suitable for switching a plurality of sub gate lines and disposed in two rim spaces of a display to make a-Si TFT switch with less impedance. According to a switch driving timing, a plurality of sub gate lines are able to share a single gate line, which saves cost and reduces the difficulty in the manufacturing process. | 02-18-2010 |
20100045584 | Display Device and Method for Fabricating the Same - An inexpensive display device, as well as an electrical apparatus employing the same, can be provided. In the display device in which a pixel section and a driver circuit are included on one and the same insulating surface, the driver circuit includes a decoder | 02-25-2010 |
20100053053 | DISPLAY PANEL - A display panel has a display area and a peripheral circuit area next to the display area. The display panel includes a number of pixels, a first signal line, a second signal line, and a third signal line. The pixels are arranged in array in the display area. The first signal line disposed in an intersection of the display area and the peripheral circuit area is electrically connected to the pixels. A data signal is suitable for being applied to the first signal line. The second signal line is disposed in the peripheral circuit area. A common signal is suitable for being applied to the second signal line. The third signal line is disposed between the first signal line and the second signal line. A reference signal is suitable for being applied to the third signal line. The data signal, the common signal, and the reference signal are different signals. | 03-04-2010 |
20100053054 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which includes a constant voltage output device and a temperature-sensing device and outputting a gate-off voltage whose level varies according to a change in ambient temperature; a clock generator receiving a gate-on voltage and the gate-off voltage and outputting a first clock signal and a second clock signal; a gate driver receiving the first clock signal and the second clock signal and outputting gate signals; and a plurality of pixels turned on or off in response to the gate signals and thus displaying images, wherein the constant voltage output device outputs a constant voltage whose value is determined by a voltage difference between a reference terminal and an input terminal of the constant voltage output device, and the temperature-sensing device provides an input voltage whose value varies according to the change in the ambient temperature, wherein the voltage difference between the reference terminal and the input terminal of the constant voltage output device does not substantially vary according to the ambient temperature. | 03-04-2010 |
20100060560 | LARGE AREA ELECTRONIC SHEET AND PIXEL CIRCUITS WITH DISORDERED SEMICONDUCTORS FOR SENSOR ACTUATOR INTERFACE - A pixel circuit including a first transistor; a second transistor, the first transistor and the second transistor serially coupled between a first power supply terminal and a second power supply terminal; and a first capacitor coupled between a gate of the first transistor and a gate of the second transistor, and an electronic sheet including the same. | 03-11-2010 |
20100066656 | LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF SCANNING SUCH LIQUID CRYSTAL DISPLAY PANEL - A flat panel needs a reduced number of gate drivers and/or their pins by using two spaced scan lines to drive pixel units together. In the panel, additional capacitors are disposed on the scan lines and/or the scanning waveform of the scan signal is changed so as to reduce the influence of the scan signal on the pixel voltage. Alternatively or additional, such panel has control lines for indirectly supplying scan signals to the scan lines. | 03-18-2010 |
20100073273 | Liquid crystal panel and liquid crystal display device having the same - A liquid crystal panel with an improved picture-quality and an LCD device having the same are disclosed. The liquid crystal panel and the LCD device allows a distance between a pixel electrode and a data line not connected to a thin film transistor and another distance between the pixel electrode and another data line to be asymmetrically formed within a single pixel region. Accordingly, the vertical cross-talk can be minimized, and furthermore picture-quality can be improved. | 03-25-2010 |
20100079363 | Liquid Crystal Panel, Liquid Crystal Display Apparatus and Driving Apparatus of Liquid Crystal Panel - A liquid crystal display apparatus includes M data lines arranged in columns, N scanning lines arranged in rows, and pixels determined by intersection of the M data lines and the N scanning lines. M and N are integers greater than 1. The N scanning lines are divided into 2K scanning line groups; K is an integer greater than or equal to 1; and the scanning lines in each scanning line group are connected with pixels having the same polarity. The liquid crystal display apparatus further includes: 2K driving components, each of which corresponding to one scanning line group and being configured to provide a plurality of levels of outputs, each level of outputs being connected with one scanning line in the scanning line group to activate the scanning line. Thus, power consumption can be saved effectively. | 04-01-2010 |
20100085291 | LCD with two-dot inversion - An LCD with two-dot inversion includes plural gate lines for transmitting gate driving signals, plural data lines for transmitting data driving signals, and a pixel array. The pixel array includes plural pixels. The plural pixels display frames according to the received gate driving signals and data driving signals. A first data line of the plural data lines is coupled to a first column of pixels and a second column of pixels. The plural data lines are curves with several bends. The difference between the numbers of the first and the second columns is at least two. | 04-08-2010 |
20100085292 | LIQUID CRYSTAL DISPLAY HAVING DUAL DATA SIGNAL GENERATION MECHANISM - A liquid crystal display having dual data signal generation mechanism is disclosed for simplifying the display structure and retaining high display quality. The liquid crystal display includes a dual data signal generator, a preliminary data line, a first data line, a second data line, and a pixel unit. The dual data signal generator functions to convert a preliminary data signal, received from the preliminary data line, into a first data signal and a second data signal. The first and second data signals are furnished to the first and second data lines respectively. The pixel unit includes a first sub-pixel unit and a second sub-pixel unit. The first sub-pixel unit is coupled to the first data line for receiving the first data signal. The second sub-pixel unit is coupled to the second data line for receiving the second data signal. | 04-08-2010 |
20100090938 | IMAGE PROCESSING METHOD AND LIQUID-CRYSTAL DISPLAY DEVICE USING THE SAME - This invention relates to an image processing method for improving the quality of an image to be displayed on a display device and to a liquid-crystal display device using the same, and aims at providing an image processing method for providing wide viewing angle and excellent tonal-intensity viewing angle characteristic and a liquid-crystal display device using the same. Combined together are a higher-luminance pixel to be driven higher in luminance than the luminance data of an image to be displayed and a lower-luminance pixel to be driven lower in luminance than the luminance data, to determine a luminance on the higher-luminance pixel and luminance on the lower-luminance pixel as well as an area ratio of the higher-luminance and lower-luminance pixels in a manner obtaining a luminance nearly equal to a desired luminance based on the luminance data. | 04-15-2010 |
20100103085 | Horizontal Electric Field Liquid Crystal Display - A horizontal electric field liquid crystal display (LCD) is disclosed. The horizontal electric field LCD includes a first liquid crystal cell driven by a voltage difference between a first pixel electrode and a second pixel electrode, a second liquid crystal cell driven by a voltage difference between a third pixel electrode and a fourth pixel electrode, a first data line to which a first analog data voltage is supplied, a second data line to which a second analog data voltage and a fourth analog data voltage are supplied, a third data line to which a third analog data voltage is supplied, a first gate line that receives a first scan pulse to select the first liquid crystal cell, a second gate line that receives a second scan pulse to select the second liquid crystal cell, first, second, third, and fourth thin film transistors. The second pixel electrode is spaced apart from the second gate line, and the fourth pixel electrode is spaced apart from the first gate line. | 04-29-2010 |
20100103086 | Liquid crystal display panel for performing polarity inversion therein - A liquid crystal display panel includes a display area. The display area includes a first scanning line, two second scanning lines, and a number of pixel units arranged in two rows and a number of columns. The number of columns include a number of first columns and a number of second columns arranged alternately. The pixel units arranged in the number of first columns are controlled via the first scanning line, and the two pixel units arranged in each of the number of second columns are controlled via the two second scanning lines correspondingly. | 04-29-2010 |
20100103087 | THIN FILM TRANSISTOR ARRAY PANEL AND LIQUID CRYSTAL DISPLAY INCLUDING THE PANEL - A thin film transistor array panel according to an embodiment of the present invention includes: a substrate; a gate line disposed on the substrate and extending in a first direction; a capacitive electrode separated from the gate line and elongated in a second direction; a data line intersecting the gate line; a thin film transistor connected to the gate line and the data line and including a drain electrode; a coupling electrode overlapping the capacitive electrode and connected to the drain electrode; and a pixel electrode including at least one first subpixel electrode connected to the drain electrode and a second subpixel electrode connected to the capacitive electrode and spaced apart from the at least first subpixel electrode by a gap that overlaps the capacitive electrode or the coupling electrode. | 04-29-2010 |
20100109993 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display according to an embodiment includes: a substrate; a plurality of signal lines formed on the substrate; a thin film transistor connected to the signal lines; a pixel electrode connected to the thin film transistor; an insulating layer covering the signal lines and having a first contact hole exposing a first end of the signal lines; and a first bridge connected to the signal lines through the first contact hole. The first bridge is disposed on the edge of the substrate, and the cross-section of the first bridge is exposed in the side direction of the substrate. A method for manufacturing a display device according to an embodiment includes forming a signal line on a first substrate; forming a passivation layer on the signal line, the passivation layer including a contact hole exposing a portion of the signal line; forming a bridge on the contact hole; and coating a sealant on the contact hole. | 05-06-2010 |
20100117944 | LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel includes a display region, a periphery circuit region, a joint obligate region, a plurality of first test thin-film transistors (TFTs), a plurality of second TFTs, a plurality of first lines, a plurality of second lines, a blank region, and at least one first adjustment TFT. The first and second test TFTs are disposed on the joint obligate region according to a regular distance. Each of the first and second test TFTs has a transistor width. The first adjustment TFT is disposed on the blank region. The width of the blank region is not smaller than the sum of the twice regular distance and the transistor width. Thereby, the present invention can prevent the band mura of the liquid crystal display panel effectively when the liquid crystal display panel is in testing. | 05-13-2010 |
20100123654 | LIQUID CRYSTAL DISPLAY DEVICE - To suppress a malfunction of a circuit due to deterioration in a transistor. In a transistor which continuously outputs signals having certain levels (e.g., L-level signals) in a pixel or a circuit, the direction of current flowing through the transistor is changed (inverted). That is, by changing the level of voltage applied to a first terminal and a second terminal (terminals serving as a source and a drain) every given period, the source and the drain are switched every given period. Specifically, in a portion which successively outputs signals having certain levels (e.g., L-level signals) in a circuit including a transistor, L-level signals having a plurality of different potentials (L-level signals whose potentials are changed every given period) are used as the signals having certain levels. | 05-20-2010 |
20100127961 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel including a substrate, gate lines formed on the substrate and extending in a first direction, data lines formed on the substrate and extending in a second direction, wherein the data lines cross and are insulated from the gate lines, and thin film transistors each with a control terminal, an input terminal, and an output terminal. The control and input terminals of the thin film transistor are connected to the gate and data lines. A barrier rib is formed on the gate lines, the data lines, and the thin film transistors. The barrier rib has the same pattern as the gate lines, the data lines, and the thin film transistors. Color filters fill regions demarcated by the barrier rib. Pixel electrodes are formed on the color filters. The output terminal of the thin film transistor has an opening, and a portion of the barrier rib formed on the output terminal has an output opening. The barrier rib output terminal portion has the same pattern as the output terminal. With the thin film transistor array panel, a barrier rib for forming contact holes is formed through exposing a positive photosensitive organic layer formed on a passivation layer to light from the backside of a substrate by using drain electrodes with openings as a light blocking film. | 05-27-2010 |
20100134396 | DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - It is an object to decrease the number of transistors connected to a capacitor. In a structure, a capacitor and one transistor are included, one electrode of the capacitor is connected to a wiring, and the other electrode of the capacitor is connected to a gate of the transistor. Since a clock signal is input to the wiring, the clock signal is input to the gate of the transistor through the capacitor. Then, on/off of the transistor is controlled by a signal which synchronizes with the clock signal, so that a period when the transistor is on and a period when the transistor is off are repeated. In this manner, deterioration of the transistor can be suppressed. | 06-03-2010 |
20100134397 | LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light. | 06-03-2010 |
20100134398 | DISPLAY DEVICE - A display device includes a plurality of thin-film transistors formed on a substrate on which a display area is formed. The display device also includes a gate electrode, a gate insulating film formed so as to cover the gate electrode, an semiconductor layer in an island shape formed on an upper surface of the gate insulating film so as to superimpose the gate electrode without protruding from the gate electrode when viewed planarly, an insulating film formed so as to cover the semiconductor layer, and a pair of electrodes electrically connected to the semiconductor layer respectively through a pair of through holes that are formed at the insulating film. The semiconductor layer is formed by sequentially laminating a crystalline semiconductor layer and an amorphous semiconductor layer. The pair of electrodes is respectively formed by sequentially laminating a semiconductor layer doped with impurities and a metal layer. | 06-03-2010 |
20100177027 | LIQUID CRYSTAL DEVICE AND METHOD OF DRIVING LIQUID CRYSTAL DEVICE - A liquid crystal device comprising: at least a liquid crystal element having a pair of substrates with electrodes on the inner sides thereof and a liquid crystal material disposed between the substrates, and a charge supplier for supplying electric charge to the liquid crystal element. The alignment of the liquid crystal molecules in the liquid crystal element is controlled in response to a change in the electric charge quantity to be supplied between the pair of electrodes from the charge supplier. A liquid crystal device, whose display quality can be substantially maintained at a high optical response speed, and a driving method thereof can be provided. | 07-15-2010 |
20100201612 | PHOTORECEPTOR WITH A TFT BACKPLANE FOR XEROGRAPHY WITHOUT A ROS SYSTEM - Systems and methods are described that facilitate eliminating a need for a raster output scanner (ROS) or laser when generating a latent image on a photoreceptor. An addressable backplane is employed, comprising an array of field effect transistors (e.g., silicon or organic thin film transistors, or TFTs), wherein each TFT corresponds to a single pixel on a charge transport layer on the photoreceptor surface. Latent image formation is performed by forming a surface potential using corona charging, and then directing free charge carriers toward the photoreceptor surface to reduce electrostatic potential in areas that need to be toned. TFTs in the array are individually addressed, or selected, to connect to a common ground, which allows photodischarge to occur only in selected areas (e.g., pixels associated with the selected TFTs). Once the array of TFTs is addressed, an LED light source emits light over the surface of the photoreceptor, and only the selected (grounded) TFTs permit their associated pixels to discharge. In this manner, a latent image is formed without a need for a bulky and expensive ROS. | 08-12-2010 |
20100214202 | THIN FILM TRANSISTOR MATRIX DEVICE AND METHOD FOR FABRICATING THE SAME - A method for fabricating a thin film transistor matrix device which includes forming a transparent insulating substrate, arranging a plurality of thin film transistors on the substrate in a matrix, arranging a plurality of picture element electrodes on the substrate in a matrix and connecting the picture element electrodes to sources of the thin film transistors. The method also includes forming a plurality of bus lines for commonly connecting gates or drains of the thin film transistors, forming a plurality of bus line terminals on the ends of the bus lines, respectively, with each bus line terminal being provided for each bus line, and forming one connection line on the substrate in a region outer of plurality of the bus line terminals and commonly connecting the plurality of bus lines. The method further includes the step of electrically disconnecting the bus lines from the connection line by laser melting. | 08-26-2010 |
20100214203 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SENSING ELEMENT - A liquid crystal display includes a first panel, a second panel facing the first panel and spaced apart from the first panel, a liquid crystal layer disposed between the first panel and the second panel, a variable capacitor having a capacitance that varies by a touch and generating a control voltage that has a magnitude depending on the capacitance, and a sensing element disposed on the second panel and generating a sensing signal based on the control voltage. | 08-26-2010 |
20100225570 | LIQUID CRYSTAL DEVICE WITH MULTI-DOT INVERSION - An LCD device includes a plurality of data lines, a plurality gate lines, a pixel matrix, and a source driver. The pixel matrix includes an mth pixel column and an (m+1)th pixel column. The odd-numbered pixels of the mth pixel column are coupled to an mth data line and corresponding odd-numbered gate lines. The even-numbered pixels of the mth pixel column is coupled to an (m+1)th data line and corresponding even-numbered gate lines. The odd-numbered pixels of the (m+1)th pixel column is coupled to the (m+1)th data line and corresponding odd-numbered gate lines. The even-numbered pixels of the (m+1)th pixel column is coupled to an (m+2)th data line and corresponding even-numbered gate lines. The gate driver outputs the data driving signals having a first polarity to the odd-numbered data lines, and outputs the data driving signals having a second polarity to the even-numbered data lines. | 09-09-2010 |
20100231495 | LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A liquid crystal display panel and a fabricating method thereof comprising an image sensing capability, image scanning, and touch inputting. In the liquid crystal display device, a gate line and a data line are formed to intersect each other on a substrate to define a pixel area in which a pixel electrode is positioned. A first thin film transistor is positioned at an intersection area of the gate line and the data line. A sensor thin film transistor senses light having image information and supplied with a first driving voltage from the data line. A driving voltage supply line is positioned in parallel to the gate line to supply a second driving voltage to the sensor thin film transistor. | 09-16-2010 |
20100245223 | ACTIVE MATRIX SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE - A plurality of source lines extending parallel to each other while alternately turning between a plurality of pixel electrodes provided in a delta arrangement, each have a plurality of first linear portions each extending along a side of the corresponding pixel electrode, a plurality of second linear portions each linked to the corresponding first linear portion and extending along a side of the corresponding pixel electrode to a middle portion of the side, and a plurality of protruding portions each extending from one end of the corresponding second linear portion along a side of the corresponding pixel electrode. | 09-30-2010 |
20100253610 | DISPLAY APPARATUS - A display apparatus comprises a first thin film transistor (TFT) and a second TFT which are disposed in a display area. A first signal transmission line is disposed in a peripheral area surrounding the display area and is electrically connected to the first TFT. A second signal transmission line adjacent to the first signal transmission line is electrically connected to the second TFT. In a first portion of the peripheral area, the first signal transmission line is parallel to the second signal transmission line and is spaced by a first gap from the second signal transmission line. In a second portion of the peripheral area, the first signal transmission line is parallel to the second signal transmission line and is spaced by a second gap from and the second signal transmission line. The second gap is greater than the first gap. Other features are also provided. | 10-07-2010 |
20100277405 | CONTAINER FOR A DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE INCLUDING THE CONTAINER - In a container for a display device, a method of manufacturing the same, and a display device including the container, the container includes an inner layer including carbon of about 0.001 wt % to about 0.1 wt %, silicon of about 0.002 wt % to about 0.05 wt %, manganese of about 0.3 wt % to about 2 wt %, impurities of about 0.08 wt % to about 0.29 wt % based on a total weight of the inner layer and a remainder of iron, a plating layer formed on the inner layer and including electric zinc, and a polymer chrome-free layer formed on the plating layer. Thus, a weight and a thickness of the container may be reduced so that the container may have a light weight and a thin thickness. | 11-04-2010 |
20100289733 | THIN FILM TRANSISTOR DISPLAY PANEL - A thin-film transistor display panel according to one or more embodiments is provided. According to an embodiment, a thin-film transistor display panel includes an insulation substrate, a gate line that is formed on the insulation substrate and is extended in a first direction, a first data line and a second data line that cross with the first gate line, and are respectively extended side by side in a second direction, a first switching element that is electrically connected to the gate line and the first data line, a second switching element that is electrically connected to the gate line and the second data line, a first pixel electrode that is connected to the first switching element, and is at least partly overlapped with the gate line of the front end, a second pixel electrode that is connected to the second switching element, and is arranged with the first pixel electrode side by side, and a storage line that is at least partly overlapped with the first pixel electrode and the second pixel electrode by being formed with the gate line side by side and being formed at both sides of the first pixel electrode and the second pixel electrode. | 11-18-2010 |
20100295764 | DISPLAY DEVICE - A display device includes a substrate, gate lines, data lines, data signal links, and contact vias. The substrate includes a display region, and a peripheral region surrounding the display region. The gate lines, data lines, data signal links, and contact vias are disposed within the display region of the substrate. The gate lines cross the data lines. Each of the data signal links is disposed between adjacent gate lines. Each of the contact vias is disposed between each of the data signal links and a corresponding data line, such that each of the data signal links is electrically connected with the corresponding data line. | 11-25-2010 |
20100315321 | LIQUID CRYSTAL DISPLAY PANEL AND METHOD FOR DRIVING PIXELS THEREOF - A liquid crystal display (LCD) panel and a method for driving pixels thereof are provided. The present invention uses a fixed voltage generated by a charge-sharing unit to perform charge-sharing with a second sub-pixel in a pixel, so as to make that the brightness of a second bright region corresponding to the second sub-pixel is darker than the brightness of a first bright region corresponding to a first sub-pixel in the pixel. Accordingly, the present invention can achieve the purpose of gray-levels space stacking without adding additional data lines and thus improving the color washout phenomenon of the LCD. | 12-16-2010 |
20110006975 | LIQUID CRYSTAL DISPLAY DEVICE - A display device having pixels disposed in a matrix and a pixel row in which a first pixel, a second pixel, a third pixel, and a fourth pixel are disposed in one direction, includes: a gate signal line having a first gate signal line to which the first pixel and the third pixel are connected and a second gate signal line to which the second pixel and the fourth pixel are connected; a drain signal line supplying a video signal to two pixel columns; and a storage line including a first storage line and a second storage line disposed so as to interpose the pixel row therebetween, wherein the first storage line and the second storage line are electrically connected to each other in a region where the drain signal line is not disposed, and a pixel electrode of each of the pixels has a portion overlapping with the drain signal line and a portion overlapping with the storage line. | 01-13-2011 |
20110050552 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - The manufacturing method of a liquid crystal display device includes a step of forming the scanning signal lines including a step in which a photosensitive material film is exposed using an exposure device having a spatial light modulating element which generates an exposure pattern by a numerical control based on drawing data prepared based on the layout data. The drawing data is prepared by correction such that a shape of a portion of the scanning signal line in the layout data which is overlapped to a source electrode has an area corresponding to the distribution of a film thickness of an insulation layer interposed between the scanning signal line and the source electrode. | 03-03-2011 |
20110057868 | LIQUID CRYSTAL DISPLAY CAPABLE OF SWITCHING COMMON VOLTAGE - A liquid crystal display capable of switching the common voltage includes a display panel and a printed circuit board. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels. Each pixel includes a transistor, a storage capacitor, and a liquid crystal capacitor. The first ends of the storage capacitor and the liquid crystal capacitor are electrically connected to the transistor. The second end of the liquid crystal capacitor is electrically connected to a common voltage source. The printed circuit board includes a switcher for switching the second end of the storage capacitor electrically connecting to common voltage source, an analog voltage source, or a ground. | 03-10-2011 |
20110074663 | ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A method comprises steps of: forming successively a first conductive pattern, a first insulating layer, a second conductive pattern, and a second insulating layer on a base substrate; patterning the second insulating layer and the first insulating layer with a double-tone mask, forming at least a half lap joint via hole in the second insulating layer, and forming at least a full lap joint via hole in both the first insulating layer and the second insulating layer, wherein the second conductive pattern corresponds to a part of the half lap joint via hole, and the first conductive pattern corresponds to the whole of the full lap joint via hole; forming a third conductive pattern and a fourth conductive pattern on the base substrate wherein the third conductivity pattern is formed on the surface of the second conductivity pattern and the first insulating layer through the half lap joint via hole, and the fourth conductive pattern is formed on the surface of the first conductive pattern through the full lap joint via hole. | 03-31-2011 |
20110102309 | THIN FILM TRANSISTOR DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A thin film transistor array panel includes: a first gate line extending in a first direction; a second gate line extending in the first direction; a data line extending in a different second direction; a first common signal distribution line including a plurality of first branches connected to each other, wherein the first branches extend in the second direction and intersect under or over with the first gate line and the second gate line. The first branches are connected to receive an electrostatic offset voltage of polarity opposite to that of data line voltages supplied on the data line. A column of pixel-electrodes are sandwiched between the data line and one of the first branches. | 05-05-2011 |
20110122055 | LIQUID CRYSTAL DISPLAY WITH DOUBLE DATA LINES - A liquid crystal display (LCD) includes a liquid crystal panel including a plurality of parallel scanning lines, a plurality of parallel data lines having a plurality of data line groups, and a pixel matrix. Each data line group includes a left data line and a right data line. The pixel matrix includes a plurality of pixel units each having a thin film transistor (TFT), a pixel electrode, and a common electrode. Each column of pixel units corresponds to one of the data line groups. Two adjacent rows of pixel units correspond to one of the scanning lines. Gate electrodes of the TFTs of the two adjacent rows of pixel units are electrically coupled to the corresponding scanning line. Source electrodes of the TFTs of two pixel units located in the same column and electrically coupled to a same scanning line are electrically coupled to the left data line and the right data line of the corresponding data line group respectively. | 05-26-2011 |
20110156995 | THIN FILM TRANSISTOR ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME AND FABRICATING METHODS THEREOF - A thin film transistor array substrate includes a substrate, a gate line and a data line arranged to cross each other and to define a pixel region on the substrate, a first common line disposed to be parallel to the gate line and to cross the data line, a switch element disposed at an intersection of the gate line and data line, a first pixel electrode formed to overlap the first common line, and a second pixel electrode branched from the first pixel electrode in a plurality of strips, a second common line opposite to the first common line in the center of the pixel region, a second common electrode branched from the second common line toward the pixel region into a plurality of strips, and a third common electrode branched to overlap the data line from the second common line, and a first storage electrode branched from the first common line into the pixel region, and a second storage electrode extended to overlap the first storage electrode from the first pixel electrode. | 06-30-2011 |
20110156996 | IMAGE INPUT/OUTPUT DEVICE - An image input/output device is provided that can instantaneously write an image by applying an optical pattern and that can acquire information on the written image as image data. This image input/output device includes a TFT ( | 06-30-2011 |
20110205144 | Semiconductor Device and Driving Method Thereof - Brightness irregularities that develop in a light emitting device due to is persion among pixels in the threshold values of TFTs used for supplying electric current to light emitting devices become obstacles to improved image quality of the light emitting device. As an image signal input to a pixel from a source signal line, a desired electric potential is applied to a gate electrode of a TFT for supplying electric current to an EL device, through a TFT having its gate and drain connected to each other. A voltage equal to the TFT threshold value is produced between the source and the drain of the TFT | 08-25-2011 |
20110215994 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device is disclosed. The LCD device includes a noise removal unit configured to reduce noise coupled to the data lines. | 09-08-2011 |
20110227816 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes an auxiliary electrode located between a first scan signal line and a second scan signal line that are adjacent to each other, a first thin film transistor with a gate electrode connected to the first scan signal line, a second thin film transistor with a gate electrode connected to the second scan signal line, a first pixel electrode connected to one of a source electrode and a drain electrode of the first thin film transistor, a second pixel electrode connected to one of a source electrode and a drain electrode of the second thin film transistor, a data signal line that is connected to the other of the source electrode and the drain electrode of the first thin film transistor and that is connected to the other of the source electrode and the drain electrode of the second thin film transistor, and a common electrode disposed to face the first pixel electrode and the second pixel electrode through a liquid crystal layer. The first pixel electrode and the second pixel electrode are adjacently located along the data signal line. The auxiliary electrode is set so that a potential difference between the auxiliary electrode and the common electrode is greater than a potential difference between the first pixel electrode and the common electrode and greater than a potential difference between the second pixel electrode and the common electrode. | 09-22-2011 |
20110227817 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE TFT SUBSTRATE - A liquid crystal display device realizing a high display quality is provided at high production efficiency. A liquid crystal display device according to the present invention includes a reflective region and a transmissive region, and comprises a TFT substrate including a first transparent layer and a second transparent layer formed on a TFT and a pixel electrode formed on the first transparent layer or the second transparent layer; a counter substrate; and a liquid crystal layer. A first sub pixel electrode formed in the reflective region is formed on a surface of the second transparent layer; a second sub pixel electrode formed in the transmissive region is formed on a surface of the first transparent layer; and the second transparent layer includes a first elevated portion formed to protrude toward the liquid crystal layer more than the first sub pixel electrode and to surround each of the first and second sub pixel electrode. | 09-22-2011 |
20110248908 | GATE SIGNAL TRANSMISSION CIRCUIT STRUCTURE - A gate signal transmission circuit structure is provided which is disposed on a peripheral circuit region of a display panel and includes at least a driver bonding pad, at least a transmission line and a plurality of connection lines. The transmission line is disposed around the driver bonding pad. The connection lines are connected between the driver bonding pad and the transmission line, wherein a plurality of holes exist between the connection lines, and the thickness of each connection line is substantially the same as the thickness of the transmission line. | 10-13-2011 |
20110304527 | COMPUTER-IMPLEMENTED METHODS, CARRIER MEDIA, AND SYSTEMS FOR DISPLAYING AN IMAGE OF AT LEAST A PORTION OF A WAFER - Various computer-implemented methods, carrier media, and systems for displaying an image of at least a portion of a wafer are provided. One computer-implemented method for displaying an image of at least a portion of a wafer includes separately storing different portions of an image of substantially an entire wafer acquired by inspection of the wafer. The different portions of the image correspond to different areas on the wafer. The method also includes displaying in a user interface (UI) only the different portions requested by a user. | 12-15-2011 |
20120001840 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device providing a high image quality with good viewing angle characteristics and being produced at a high efficiency is provided. A liquid crystal display device according to the present invention includes a TFT substrate including a plurality of pixel electrodes in correspondence with a plurality of pixels, respectively; a counter substrate including a counter electrode facing the plurality of pixel electrodes; and a liquid crystal layer located between the TFT substrate and the counter substrate. The plurality of pixel electrodes each include a first trunk portion, a plurality of first branch portions extending from the first trunk portion in a first direction, and a plurality of second branch portions extending from the first trunk portion in a direction opposite to the first direction. The counter electrode includes, in each of the plurality of pixels, a plurality of branch portions extending in a second direction, which is perpendicular to the first direction in a substrate plane. | 01-05-2012 |
20120026076 | LIQUID CRYSTAL DISPLAY PANEL AND METHOD FOR REPAIRING SIGNAL LINE THEREOF - A display panel and a method for repairing signal lines thereof are disclosed. The display panel includes at least one shorting bar, switches, and auxiliary repair lines. The switches are electrically coupled respectively to signal lines and the at least one shorting bar. Both ends of each of the auxiliary repair lines overlap one of connections between the switches and the at least one shorting bar. When a signal line is damaged, the method for repairing includes: breaking off each of the connections between the switches and the at least one shorting bar by cutting; and welding both ends of one of the auxiliary repair lines which correspond to the damaged signal line with both sides of one of the connections which correspond to the damaged signal line. | 02-02-2012 |
20120075172 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device having a large screen, high resolution and high reliability at the same time, even in the case where the drivers are mounted on the TFT substrate in accordance with a COG mounting method. | 03-29-2012 |
20120081274 | THIN FILM TRANSISTOR ARRAY PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD TO REPAIR THE SAME - The present invention relates to a thin film transistor array panel, a liquid crystal display, and a method capable of reducing an effect on neighboring pixels in a process of repairing a pixel defect. The thin film transistor array panel may include: a thin film transistor connected to a gate line and a data line to define a pixel area; a pixel electrode formed in the pixel area and connected to the thin film transistor; and a storage electrode including a first portion overlapping the data line between two adjacent gate lines. The storage electrode may also include a second portion connected to the first portion and enclosing an edge of the pixel area except for a region where the first portion is formed. The storage electrode may be branched between pixel electrodes respectively formed in two adjacent pixel areas. | 04-05-2012 |
20120119982 | LIQUID CRYSTAL DISPLAY DEVICE - In one aspect, a liquid crystal display device includes a display region formed of a plural divided regions in a row direction. First and second driving circuits are arranged to face each other interposing the display region therebetween in the row direction. The first driving circuit is connected with odd scanning lines, and the second driving circuit is connected with the even scanning lines. A channel area of the TFT of the pixels connected to the odd scanning lines is the smallest in the divided region nearest to the first driving circuit and becomes larger gradually in the divided regions distant from the first driving circuit. A channel area of the TFT of the pixels connected to the even scanning lines is the smallest in the divided region nearest to the second driving circuit and becomes larger gradually in the divided regions with distant from the second driving circuit. | 05-17-2012 |
20120162054 | GATE DRIVER, DRIVING CIRCUIT, AND LCD - There is disclosed a gate driver, a driving circuit, and a liquid crystal display (LCD), wherein the gate driver comprises input terminals for inputting a CPV signal, an OE signal, and an STV signal, and output terminals for outputting a CKV signal and a CKVB signal, and a processing circuit is connected between the input terminals and the output terminals for processing the CPV signal, the OE signal, and the STV signal such that a preset time interval is present between the falling edge of the CKV signal and the rising edge of the CKVB signal during one period of the CKV signal, or a preset time interval is present between the rising edge of the CKV signal and the falling edge of the CKVB signal during one period of the CKVB signal. | 06-28-2012 |
20120162055 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME - The present invention provides a liquid crystal display device and a method for manufacturing the same that can improve aperture ratio of pixels while securing necessary storage capacitance using a simple configuration even if there is progress in high resolution of pixels. The liquid crystal display device according to the present invention is provided with a plurality of pixels. A thin film transistor array substrate includes gate lines and source lines arranged in a grid pattern on a principal surface of a supporting substrate, transparent pixel electrodes, and thin film transistors. Also, the thin film transistor array substrate includes a gate insulator, a passivation layer, a transparent conductive film, a first insulation layer, and transparent pixel electrodes stacked in order from a supporting substrate side. The transparent pixel electrodes are electrically connected with drain electrodes of the thin film transistors through contact holes formed in the first insulation layer. When a substrate surface is viewed in a direction of a normal to the substrate surface, the transparent conductive film does not overlap regions in which the transparent pixel electrodes and the drain electrodes are electrically connected with each other. | 06-28-2012 |
20120169577 | ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure provides an array substrate for a thin film transistor liquid crystal display (TFT-LCD), comprising: a base substrate having gate lines and data lines intersecting with each other to define sub-pixel units, each comprising a thin film transistor, a common electrode, a first pixel region and a second pixel region, wherein the first pixel region includes a first pixel electrode connected to the common electrode and a second pixel electrode connected to a drain electrode of the thin film transistor, and the first pixel electrode is on a same layer as and insulated from the second pixel electrode, and wherein the second pixel region includes a third pixel electrode connected to the common electrode and a fourth pixel electrode connected to the drain electrode, which are on a same layer and spaced apart from each other by a second local opening. | 07-05-2012 |
20120194414 | LIQUID CRYSTAL DISPLAY - A liquid crystal display to prevent light leakage with an improvement of aperture ratio and a reduction of load of a data line is provided. The liquid crystal display includes a gate line and a storage electrode line formed on a insulating substrate and apart from each other, a first data line and a second data line intersecting the gate line, a first pixel electrode defined by the gate line and the first data line, and a second pixel electrode defined by the gate line and the second data line and neighboring the first pixel electrode. Also, a blocking electrode between the first pixel electrode and the second pixel electrode is included, wherein at least portion of the first data line is disposed under the first pixel electrode, and at least portion of the blocking electrode is disposed under the second pixel electrode and apart from the first data line. | 08-02-2012 |
20120200482 | LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel | 08-09-2012 |
20120206327 | DISPLAY PANEL - A display panel is disclosed has a plurality of source data lines and at least a first and a second gate scan lines and includes at least a first, a second, a third and a fourth display rows. Gates of a plurality of the first and second driving transistors of the first and the second display rows respectively are commonly coupled to the first gate scan line. First sources/drains of the first and the fourth driving transistors are sequentially coupled to odd columns of the source data lines. First sources/drains of the second and the third driving transistors are sequentially coupled to even columns of the source data lines. Gates of a plurality of the third and fourth driving transistors of the third and the fourth display rows respectively are commonly coupled to the second gate scan line. | 08-16-2012 |
20120256817 | SHIFTING REGISTER AND APPARATUS FOR DRIVING GATE LINES - The present invention discloses a shifting register and an apparatus for driving gate lines, and it relates to Liquid Crystal Display technical field, for reducing the noise of a shifting register during non-working period. The shifting register comprises: a first thin film transistor, a second thin film transistor, a third thin film transistor, a fourth thin film transistor, a capacitor and a pull-down module, and the pull-down module is connected among a clock signal port, a first node and a signal output terminal, and further is connected to a low level signal terminal, for maintaining the first node and the signal output terminal to be at low level during the non-working period of the shifting register. The apparatus for driving gate lines comprises a plurality of above shifting registers connected in serial. The present invention is applicable to driving gate lines. | 10-11-2012 |
20120262363 | DISPLAY PANEL, LIQUID-CRYSTAL DISPLAY DEVICE AND DRIVE METHOD - The present invention includes, in addition to transistors each (Mm,n) provided at the intersection of a gate bus line (GLn) with a data bus line (DLm): block potential applying transistors (DMn) connected to respective ends of gate bus lines (GLn) which ends are not connected to a gate driver ( | 10-18-2012 |
20120262364 | LIQUID CRYSTAL DRIVE CIRCUIT, LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH, AND DRIVE METHOD FOR LIQUID CRYSTAL DRIVE CIRCUIT - A liquid crystal drive circuit, a liquid crystal display device, and a method for driving the liquid crystal drive circuit are disclosed. A liquid crystal drive circuit of an embodiment includes: a gate bus line drive circuit for driving a plurality of gate bus lines; a drive parameter selecting section for selecting, in accordance with how many gate bus lines of the plurality of gate bus lines are concurrently driven by the gate bus line drive circuit, a drive parameter optimized for a ratio between bright and dark pixels which ratio is determined in accordance with how many gate bus lines of the plurality of gate bus lines are concurrently driven by the drive parameter selecting section; and a source bus line drive circuit for driving a plurality of source bus lines by use of the drive parameter thus selected by the drive parameter selecting section. | 10-18-2012 |
20120268358 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device is provided which can enhance a numerical aperture. The display has a pixel transparent conductive film electrode and a transparent conductive film counter electrode formed on an insulation film, which in turn is formed on a first substrate to cover the pixel electrode. A plurality of linear portions of the counter electrode are arranged on the pixel electrode. A gate-signal-line side of the pixel electrode of the first pixel is formed on a first-pixel side of the gate signal line and a gate-signal-line side of the pixel electrode of the second pixel is formed on a second-pixel side of the gate signal line. The gate-signal-line-side frame portion of the counter electrode of the first pixel and the gate-signal-line-side frame portion of the counter electrode of the second pixel are formed in common on the gate signal line in a striding manner. | 10-25-2012 |
20120306733 | HORIZONTAL STRIPE LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device for improving picture quality includes a common electrode formed on a first substrate, gate lines and data lines formed on a second substrate bonded to the first substrate by a sealing member with liquid crystals disposed therebetween, thin film transistors connected to the gate lines and to the data lines, pixel electrodes formed in subpixel regions, each pixel electrode having a long side in a direction of the gate lines and having a short side in a direction of the data lines fanout lines for supplying driving signals from the driving chips to the data lines, first conductive spacers formed between the fanout lines connected to different driving chips, for supplying a common voltage to the common electrode, and second conductive spacers formed between the fanout lines connected to the same driving chip, for supplying the common voltage to the common electrode. | 12-06-2012 |
20120313845 | LIQUID CRYSTAL DISPLAY DEVICE - This invention offers a liquid crystal display device according to FFS technology. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Ycom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art. | 12-13-2012 |
20120326954 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention is to provide a liquid crystal display device which hardly causes image sticking even when there is a difference in the pixel areas. The liquid crystal display device of the present invention includes a pair of substrates, and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors. The liquid crystal display device of the present invention is featured in that one of the pair of substrates includes scanning lines, signal lines, and storage capacitor lines, a thin film transistor connected to each of the scanning line and the signal line, and a pixel electrode connected to the thin film transistor, in that the other of the pair of substrates includes an opposed electrode, in that the pixel electrode is arranged for each of the picture elements, and in that the pixel electrode having a larger area among the plurality of pixel electrodes arranged in one pixel is connected to the thin film transistor having a larger channel width among the plurality of the thin film transistors arranged in the one pixel. | 12-27-2012 |
20120326955 | SHIFT REGISTER - Provided is a shift register configured by cascade-connecting unit circuits | 12-27-2012 |
20130009856 | SCANNING SIGNAL LINE DRIVE CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - Stability of a circuit operation in a monolithic gate driver is improved. A bistable circuit is provided with a charge replenishment circuit ( | 01-10-2013 |
20130016034 | Gamma Buffer Output Compensation Circuit, Drive Circuit and Resistance Setting Method ThereofAANM Liao; LiangchanAACI ShenzhenAACO CNAAGP Liao; Liangchan Shenzhen CNAANM Lin; PoshenAACI ShenzhenAACO CNAAGP Lin; Poshen Shenzhen CNAANM Wang; NianmaoAACI ShenzhenAACO CNAAGP Wang; Nianmao Shenzhen CN - The present invention discloses a gamma buffer output compensation circuit, a drive circuit and a resistance setting method thereof. The gamma buffer output compensation circuit comprises a set of variable compensating resistor modules which are respectively connected to each output terminal of the gamma buffer and have regulable resistance. The present invention uses the method of setting variable compensating resistor modules with regulable resistance in front of each output terminal of the gamma buffer to replace the existing compensating resistors with fixed resistance. The resistance of the compensating resistors in front of each output terminal can be regulated through external operation so that the same compensation circuit can be applied to different types of machines. Therefore, the gamma buffer output compensation circuit can be directly developed in advance without regard to the difference of different types of machines, and the resistance of suitable compensating resistors can be regulated in later period. Thus, the generality of gamma buffers is increased, and the development cycle of machines is reduced. | 01-17-2013 |
20130016035 | SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAMEAANM IKEDA; TakayukiAACI AtsugiAACO JPAAGP IKEDA; Takayuki Atsugi JP - An image sensor is provided which is capable of holding data for one frame period or longer and conducting a difference operation with a small number of elements. A photosensor is provided in each of a plurality of pixels arranged in a matrix, each pixel accumulates electric charge in a data holding portion for one frame period or longer, and an output of the photosensor changes in accordance with the electric charge accumulated in the data holding portion. As a writing switch element for the data holding portion, a transistor with small leakage current (sufficiently smaller than 1×10 | 01-17-2013 |
20130027286 | LCD PANEL - The present invention discloses an LCD panel which includes a plurality of data lines and a plurality of scan lines, the data lines insulatingly intersecting the gate lines, thereby defining a pixel unit between an intersection between two of the plurality of gate lines and corresponding two of the plurality of data lines. Three adjacent scan lines intersect three adjacent data lines to define four pixel units which are designated as a pixel unit set. Two pixel units in one row of the pixel unit set are respectively coupled to two data lines in both sides of the three adjacent data lines, and two pixel units in the other row are coupled to the middle one of the three adjacent data lines. Power consumption of the LCD panel of the present invention is greatly reduced as compared with the conventional LCD panel. | 01-31-2013 |
20130038517 | TFT PIXEL UNIT - The present invention discloses a TFT pixel unit having a scan line, a first isolation layer, a data line, a source section, a semiconductor layer, a drain section and a pixel electrode. The first isolation layer is mounted on the scan line and covers an inner surface of the scan line. The data line and the scan line are isolatedly crossed with each other and define a pixel area. The drain section extends from a side of the data line and disposed on the first isolation layer. The semiconductor layer is mounted on a top surface of the drain section. The source section is mounted on a top surface of the semiconductor layer. The drain section, the semiconductor layer and the source section are adjacent to the inner surface of the scan line. The pixel electrode is mounted in the pixel area and connected to the source section. The date line, the drain section, the semiconductor layer and the source section construct a TFT switch having a vertically-stacked structure, which reduces the loss of aperture ratio. | 02-14-2013 |
20130038518 | SIGNAL DISTRIBUTION CIRCUIT, SIGNAL DISTRIBUTION DEVICE, AND DISPLAY DEVICE - Disclosed is a signal distribution device which is provided with: supply lines ( | 02-14-2013 |
20130069855 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device ( | 03-21-2013 |
20130076611 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a storage capacitance line, a first source line and a second source line, a switching element, and a pixel electrode surrounded by the first gate line, the second gate line, the first source line and the second source line, the pixel electrode including a contact portion which is put in contact with the switching element, a first main pixel electrode and a second main pixel electrode, a second substrate including a common electrode and a liquid crystal layer held between the first substrate and the second substrate. | 03-28-2013 |
20130082914 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate on which a thin film transistor is formed. The liquid crystal display device includes a first transistor which has a gate electrode thereof formed on a side more remote from the first substrate than a semiconductor layer and has a drain electrode thereof connected to the drain line, a second transistor which is connected to the first transistor in series, and has a source electrode thereof electrically connected to a pixel electrode, and a light blocking layer which is formed between the semiconductor layer and the first substrate and blocks a backlight incident from a first substrate side. The light blocking layer is formed in an overlapping manner on the first transistor, blocks a backlight incident on a first transistor side, and allows a backlight incident on a second transistor side to pass therethrough. | 04-04-2013 |
20130082915 | ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device as an electro-optical device includes an image signal line which is supplied with an image signal, a data line, and sampling transistors (S-TFT) as first and second transistors which are electrically connected between the data line and the image signal line and supply the image signal to the data line, where at least two types of S-TFTs are provided so that the overlapping amounts where gate electrodes of the S-TFTs and first data line overlap are different. Due to this, parasitic capacitance occurs between the gate electrode and the data line, it is possible to adjust the structural parasitic capacitance of each data line by the overlapping amounts being different, and it is possible to improve the display irregularities in series as streaks. | 04-04-2013 |
20130088418 | STEREOSCOPIC IMAGE DISPLAY - A stereoscopic image display includes a display panel, which selectively displays a 2D image and a 3D image and includes a plurality of pixels, and a patterned retarder for dividing light from the display panel into first polarized light and second polarized light. Each of the pixels includes a main display unit including a first pixel electrode and a first common electrode, a subsidiary display unit including a second pixel electrode and a second common electrode, and a line unit disposed between the main display unit and the subsidiary display unit. The line unit includes a gate line, a discharge control line through which a discharge control voltage is applied to a discharge control TFT, and a lower common line through which a common voltage is applied to an upper common line. | 04-11-2013 |
20130093657 | LIQUID CRYSTAL DISPLAY HAVING MINIMIZED BEZEL AREA - A liquid crystal display includes a first substrate including pixels arranged in m columns by n rows, n data lines disposed, m gate lines arranged substantially parallel to the data lines, n data distribution lines arranged to cross the m gate lines and electrically connected to the data lines, respectively, source driving chips disposed on a first portion of the first substrate, and a gate driver disposed on a second portion of the first substrate. Each of the data distribution lines is connected to a subset of the pixels arranged in a corresponding row, and each of the gate lines is connected to a subgroup of the pixels arranged in a corresponding column. The source driving chips apply data signals to the pixels through the first data lines and the data distribution lines, and the gate driver applies gate signals to the pixels through the gate lines. | 04-18-2013 |
20130093658 | DISPLAY DEVICE - A display device includes gate lines, data lines, first wires and second wires extending in the directions of the gate lines and data lines, and pixels having a first subpixel and a second subpixel each. The first subpixel has a first subpixel electrode and a first switching element, and the second subpixel has a second subpixel electrode and second and third switching elements. The control terminals of the three switching elements are connected to the same gate line, and the input terminals of the first and second switching elements are connected to the same data line. The first and second switching elements have output terminals connected to the first and second subpixel electrodes, respectively. The second switching element's output terminal connects to the third switching element, which has an output terminal connected to a second wire. The first wires and the second wires are connected in a pixel. | 04-18-2013 |
20130100005 | LCD Panel and Method of Manufacturing the Same - A liquid crystal display panel and its manufacturing method are proposed. The liquid crystal display includes pixels, scan lines, and data lines. The scan lines are formed by a first metallic layer. Each pixel includes multiple subpixels. Each subpixel includes a pixel electrode, a thin-film transistor, and a common electrode line. The common electrode line includes a main branch, a first shielding metallic area, and a second shielding metallic area. The first and second shielding metallic areas are parallel to the scan lines and are connected to the main branch. The data lines and the common electrode lines are formed by the second metallic layer. The scan line and the common electrode line are formed after the first and second metallic layers undergo different etching processes, causing the distance between the scan line and the common electrode line to be shortened and the width of the common electrode line serving as a shielding metallic area partially to be properly decreased. Accordingly, the pixel aperture ratio is increased. | 04-25-2013 |
20130106678 | PIXEL STRUCTURES OF 3D DISPLAY DEVICES | 05-02-2013 |
20130106679 | LCD PANEL AND METHOD OF MANUFACTURING THE SAME | 05-02-2013 |
20130113695 | DISPLAY DEVICE - A display device includes a first panel and a second panel stacked together. The first panel includes a first active region, a first peripheral region, a first substrate, a second substrate, a display medium, a pixel array integrated with a color filter film, a common electrode, and a first light shielding layer. The second panel includes a second active region, a second peripheral region, a third substrate, an element layer, and a second light shielding layer disposed in the second peripheral region. The first light shielding layer includes first light shielding patterns leaning against the pixel array and the common electrode and second light shielding patterns forming a black matrix in the first active region. The second light shielding patterns are shorter than the first light shielding patterns. The second active region is smaller than, the first active region. The second peripheral region is larger than the first peripheral region. | 05-09-2013 |
20130120230 | Flat Display Panel And A Method Of Repairing The Same - A flat display panel and a method of repairing the same are proposed. The flat display panel includes a plurality of repairing lines parallel to data lines. The plurality of repairing lines are disposed at one side of a plurality of pixel electrodes one on one. When one of the plurality of data lines is broken, repairing lines form an electrical bypass route for circumventing a gap in the broken data line. Thus, a signal can be normally transmitted to the pixel electrode through the electrical bypass route. | 05-16-2013 |
20130141319 | Pixel Structure, Array Substrate and Liquid Crystal Display - The present invention relates to a pixel structure, an array substrate and a liquid crystal display. A pixel structure, comprising a plurality of pixel regions, wherein each pixel region comprises a pixel electrode and at least one pair of first thin-film transistor and second thin-film transistor; the first thin-film transistor and the second thin-film transistor in each pair are symmetrically arranged, and the drain electrodes of the first thin-film transistor and the second thin-film transistor are electrically connected with the pixel electrode. Each pixel structure of the liquid crystal display comprises a first thin-film transistor and a second thin-film transistor. Since the first thin-film transistor and the second thin-film transistor are symmetrically arranged, the total parasitic capacitance of each pixel structure would not be changed due to the poor accuracy of an exposure machine and a manufacturing process in actual manufacture. Therefore, the total parasitic capacitance of each pixel structure of the liquid crystal display is constant, thus the poor effect of display due to the deficiency of data lines and thin-film transistors is overcame, and a better effect of display is achieved. | 06-06-2013 |
20130141320 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display generates k DEMUX control signals for controlling the turn-on time of the DEMUX switches so as not to overlap with each other, and generates at least some of the DEMUX control signals every 2 horizontal periods, and makes 1 pulse sustaining period of the DEMUX control signals generated every 2 horizontal periods to overlap with a tail portion of the preceding horizontal period and a front portion of the subsequent horizontal period, among two neighboring horizontal periods. | 06-06-2013 |
20130147700 | REDUNDANCY SHIFT REGISTER CIRCUIT FOR DRIVER CIRCUIT IN ACTIVE MATRIX TYPE LIQUID CRYSTAL DISPLAY DEVICE - An active matrix display device comprises a substrate having an insulating surface, a plurality of pixel electrodes arranged in a matrix form over the substrate, and a plurality of switching elements operationally connected to the pixel electrodes. Each of the switching elements further comprise a thin film transistor. The display device further includes a display medium comprising an emissive material that is capable of electrically changing luminous strength disposed at each of the pixel electrodes, and a driver circuit that includes a plurality of thin film transistors for driving the plurality of switching elements. Each of the plurality of thin film transistors comprise a crystallized semiconductor layer, a gate insulating film adjacent to the crystallized semiconductor layer and a gate electrode adjacent to the gate insulating film. | 06-13-2013 |
20130154912 | LIQUID CRYSTAL DISPLAY DEVICE - A pixel electrode is formed on a TFT substrate, and a gate insulating film is formed thereon. On the gate insulating film, formed is an inorganic passivation film, on which a common electrode having slits is formed. Through-holes are formed in the gate insulating film at areas where the pixel electrode faces the common electrode, and the pixel electrode is not connected to a source electrode in the through-hole. The through-holes are filled with the inorganic passivation film, and the common electrode is formed on the inorganic passivation film at a position corresponding to each through-hole. The pixel electrode faces the common electrode at the position through not the gate insulating film but only the inorganic passivation film, and thus the pixel capacity can be increased. Accordingly, it is possible to prevent changes in the electric potential of the pixel electrode caused by ON/OFF operations. | 06-20-2013 |
20130162508 | Driving Circuit of a Liquid Crystal Panel and an LCD - A driving circuit for use in an LCD is proposed. The driving circuit includes a first clock signal input, a second clock signal input, a first TFT, and a controlling terminal. The controlling terminal is connected to a gate of the first TFT. The first TFT is placed between the controlling terminal and the first clock signal input. The controlling terminal is placed between the first TFT and the second clock signal input. A parasite capacitor is formed in the first TFT. The driving circuit further includes a suppression capacitor placed between the second clock signal input and the controlling terminal. The suppression capacitor is used for adjusting a potential of the controlling terminal in response to transitions of the first clock signal and the second clock signal. The present invention provides a simplified layout, occupies less side area of the LCD, and upgrades image quality of the LCD. | 06-27-2013 |
20130162509 | Thin-Film Transistor Liquid Crystal Display Device, Substrate,and Manufacturing Method - The present invention discloses a thin-film transistor liquid crystal display device, a substrate, and a manufacturing method. The thin-film transistor liquid crystal display device includes: a substrate and a signal line, a scan line, a pixel electrode, and a thin-film transistor that are formed on the substrate. The signal line and the scan line are arranged to intersect each other. The pixel electrode is located in a pixel display zone enclosed by the intersected signal line and scan line. The thin-film transistor includes a gate terminal, a source terminal, and a drain terminal. The gate terminal is electrically connected to the scan line. The drain terminal is electrically connected to the signal line. The source terminal is arranged at a position corresponding to the intersection of the signal line and the scan line and is electrically connected to the pixel electrode. With the above arrangement, the present invention can significantly reduce the amount of area of the pixel electrode occupied, increases the opening ratio of the pixel, and greatly reduces the influence on the alignment of the liquid crystal molecules thereby reducing asymmetry of the pixel quadrant and improving image quality. | 06-27-2013 |
20130187842 | Display Device - A display device having a display element is configured such that the extending directions of electrodes are made different from each other among upper, lower, left and right pixels. | 07-25-2013 |
20130215003 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus having a plurality of pixel parts, each pixel part receives a data signal in response to a present gate signal and charges first and second pixel voltages having the same voltage level. A plurality of voltage controllers includes a level-down part to lower a voltage level of the second pixel voltage using a previous pixel voltage charged in a previous frame in response to a next gate signal and a level-up part to receive the lowered second pixel voltage in response to the next gate signal to boost up a voltage level of the first pixel voltage. | 08-22-2013 |
20130234919 | DEVICES AND METHODS FOR DISCHARGING PIXELS HAVING OXIDE THIN-FILM TRANSISTORS - Methods and devices for discharging a pixel of an electronic display to be turned off are provided. In one example, a method may include supplying an activation signal to the pixel to activate the pixel. The method may also include supplying a data signal of substantially ground to a pixel electrode of the pixel. The method may include controlling a common electrode voltage of the pixel toward substantially ground. The method may also include removing the activation signal from the pixel after the common electrode voltage reaches substantially ground. | 09-12-2013 |
20130241813 | DRIVING METHOD OF AN ELECTRIC CIRCUIT - A variation in threshold may be suppressed by structuring an analog switch by a MOS transistor and forming a signal synchronized to a clock by making the clock which is a common signal in continuity or discontinuity. An object of the present invention is to reduce the variation in the signal synchronized to the clock by the variation in threshold of the MOS transistor in a circuit which is synchronized to the clock. | 09-19-2013 |
20130271357 | Liquid Crystal Display Device and Driving Circuit - The present invention discloses a liquid crystal display device and its driving circuit. The first switch unit and one of channels of scan driver correspond to pixel units of more than one row. The input terminal of the first switch unit is electrically connected to one of the channels, and each of the output terminals of the first switch unit is electrically connected to a scan line of the pixel units of more than one row for outputting a scan signal from one of channels of scan driver to the pixel units electrically connected to the corresponding scan line. | 10-17-2013 |
20130300641 | Liquid Crystal Display - A liquid crystal display includes an array of pixels. Each pixel is divided into a first sub-pixel and a second sub-pixel, and different data voltages are separately applied to (or evolved at) the two sub-pixels, thereby enhancing the lateral side visibility. Each sub-pixel includes a sub-pixel electrode (connected to the drain electrode of a sub-pixel's switching element) overlapped with the sub-pixel's storage electrode. A first predetermined voltage is applied to the first sub-pixel and second predetermined voltage is applied the second sub-pixel, and thus the first sub-pixel electrode may receive a voltage lower than the voltage of the second sub-pixel electrode. The first sub-pixel electrode may be larger in area than the second sub-pixel electrode. The overlapping area between the first drain electrode and the storage electrode of a first sub-pixel may be larger than the overlapping area between the drain electrode and the storage electrode of a second sub-pixel. Thus the kickback voltage of the first sub-pixel may be substantially the same as the kickback voltage of the second sub-pixel. | 11-14-2013 |
20130314309 | DISPLAY DEVICE - The present invention provides a display device in which a lateral crosstalk can be suppressed with a simple configuration. A display panel of a liquid crystal display device includes an output-end-side TFT provided on an output end side of a scanning signal line. Auxiliary capacitance lines adjacent to each other are connected via the output-end-side TFT. When a scanning signal line is in a selection state, a corresponding output-end-side TFT enters a conduction state, so that the auxiliary capacitance line and its preceding auxiliary capacitance line are connected to each other. At this time, impedance seen from a position where a potential fluctuation occurs in the auxiliary capacitance line is seemingly reduced more than that in the conventional technique. Consequently, time Tret until potential of the auxiliary capacitance line which fluctuated at the time of writing a data signal recovers to the original potential becomes shorter than that in the conventional technique. | 11-28-2013 |
20130321252 | LCD DRIVING DEVICE AND METHOD FOR DRIVING THE SAME - A liquid crystal display driving device, comprising a scanning driving unit; a data driving unit; gate lines; data lines; pixel regions defined by the gate lines and the data lines; and a compensation circuit connected to the gate lines, wherein the gate lines include gate scanning lines and a redundant gate line, the data lines includes data signal lines and a redundant data line, and the compensation circuit is used to compensate the gate scanning signals of the gate scanning lines, so as to reduce voltage delay over the gate scanning lines. | 12-05-2013 |
20130335308 | Liquid Crystal Display Panel - A liquid crystal display (LCD) panel is proposed. The LCD panel includes a plurality of scan lines, a plurality of data lines, and a plurality of matrix-arranged pixels. Each of the plurality of pixels includes a plurality of subpixels. Each of the plurality of subpixels is electrically connected to a corresponding scan line. The subpixels of each of the pixels are electrically connected to a data line. Each of the plurality of subpixels includes a subpixel electrode. The subpixel electrode belonging to an N+1 subpixel partially overlaps the scan line corresponding to an N subpixel for forming a storage capacitor belonging to the N+1 subpixel itself. By means of the above-mentioned method, both of the aperture ratio of the pixel and the transmittance of the LCD and are increased. Moreover, the cost of the LCD panel is reduced. | 12-19-2013 |
20140002334 | GATE-DRIVING APPARATUS AND DISPLAY DEVICE INCLUDING THE SAME | 01-02-2014 |
20140022153 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device that can reduce picture quality deterioration due to a kickback voltage and can accurately detect a kickback voltage is provided. The liquid crystal display device includes: a liquid crystal panel including a detector configured to generate a kickback voltage detection signal, a detection line for supplying the kickback voltage detection signal, and a ground pattern along and adjacent to one side of the detection line; and a common voltage generator connected to the detection line and configured to generate a common voltage corresponding to the kickback voltage detection signal and to supply the generated common voltage to the liquid crystal panel. | 01-23-2014 |
20140022154 | Liquid Crystal Display Device And Method Of Driving The Same - A liquid crystal display device with low power consumption is provided by using a driver circuit and a pixel that have novel circuit structures. In a liquid crystal display device using n (n is a natural number and satisfies n≧2) bit digital video signals to display an image, n×m (m is a natural number) memory circuits and n×k (k is a natural number) non-volatile memory circuits are provided in each pixel, thereby giving the device a function of storing m frames of digital video signals in the memory circuits and a function of storing k frames of digital video signals in the non-volatile memory circuits. Once stored in the memory circuits, the digital video signals are repeatedly read out for every new frame to display a still image, so that driving of a source signal line driver circuit can be stopped during still image display. Moreover, digital video signals stored in the non-volatile memory circuits are kept stored after power supply is shut off and hence the image of the stored data can immediately be displayed next time the display device is turned on. | 01-23-2014 |
20140022155 | DISPLAY DEVICE, DRIVING METHOD OF THE SAME AND ELECTRONIC DEVICE - A display device includes a pixel portion to which a non-inverted video signal is input in a first period and an inverted video signal is input in a second period, and a signal line driver circuit comprising a switch circuit portion for controlling output of the non-inverted video signal and the inverted video signal to the pixel portion. The switch circuit portion is controlled by a first signal serving as a first high power supply potential and a first low power supply potential in the first period and is controlled by a second signal serving as a second high power supply potential and a second low power supply potential in the second period, so that the switch circuit portion controls output of the non-inverted video signal and the inverted video signal to the pixel portion. | 01-23-2014 |
20140028536 | Liquid Crystal Display Panel and Liquid Crystal Display Device - The present invention provides a liquid crystal display panel and liquid crystal display device, which includes data lines, scan lines disposed in a crisscross manner with data lines, pixel electrode disposed within area formed by two adjacent scan lines and two adjacent data lines, and thin film transistor disposed at intersection points of data line and scan line; wherein drain terminal of thin film transistor having extension part acting as repair line for scan line, extension part extending along direction parallel to scan line and an end of extension part away from thin film transistor partially overlapping scan line. | 01-30-2014 |
20140055331 | LIQUID CRYSTAL DISPLAY (LCD) Q-PANEL, LCD PANEL AND LCD APPARATUS - Embodiments of the present invention provide a LCD Q-Panel, a LCD panel and a LCD apparatus, for solving the technical problem that there is a large loss of a signal over the resistance of the signal transmission line when the signal is loaded into a general signal connection port of the LCD Q-Panel in the prior art. The LCD Q-Panel provided in embodiments of the present invention comprises: a general signal connection port, at least one LCD panel comprising a signal connection point, and at least one voltage follower; the signal input from the general signal connection port is transmitted via the at least one voltage follower to the signal connection point connected to an output terminal of the at least one voltage follower and the LCD panel comprising the signal connection point. | 02-27-2014 |
20140062845 | SYSTEMS AND METHODS FOR MEASURING SHEET RESISTANCE - The present disclosure is directed to systems and methods for determining sheet resistance values in a liquid crystal display (LCD) panel. In certain embodiments, a system for determining sheet resistance values in an LCD panel may include a display driver integrated circuit (IC). The display driver IC may include a first switch coupled to a first input/output (I/O) pad and a second I/O pad such that the first I/O pad is configured to couple to a voltage source and the second I/O pad is configured to couple to a current source. The display driver IC may also include a second switch coupled to a third I/O pad and the second I/O pa such that the second switch has substantially the same geometry as the first switch and the third I/O pad is configured to couple to a thin-film transistor (TFT) layer of the display panel. | 03-06-2014 |
20140062846 | SHIFT REGISTER, GATE DRIVER ON ARRAY PANEL AND GATE DRIVING METHOD - The embodiment of the present invention discloses a shift register for reducing the power consumption during driving. The shift register includes a protection circuit, a retaining circuit, an output circuit, a first driving circuit, a second driving circuit, a resetting circuit, a timing control terminal, a first power supply terminal, a second power supply terminal, a third power supply terminal and a fourth power supply terminal. The embodiment of the present invention further discloses a Gate driver On Array (GOA) panel and a method for gate driving. | 03-06-2014 |
20140071033 | Liquid Crystal Display And Driving Method Thereof - Embodiments of the invention disclose a liquid crystal display and a driving method thereof. The method comprises the following steps: upon one image frame being displayed, driving each row of pixels in accordance with an arrangement order of rows in sequence; upon pixels in any row being driven, driving two pixels of one same pixel group successively. A driving sequence of the two pixels of the same pixel group is alternately changed in continuous image frames. | 03-13-2014 |
20140078032 | DUAL-GATE DRIVEN LATERAL PIXEL ARRANGEMENT STRUCTURE AND DISPLAY PANEL - A dual-gate-driven lateral pixel arrangement structure includes two horizontally adjacent primary pixel regions having each three vertically adjacent secondary pixel regions forming a grid of six secondary pixel regions, and six thin-film transistors disposed in each of the six secondary pixel areas. The structure also includes two gate lines and three data lines crossing each other and electrically isolated from each other. Each data line is connected to the source of two thin-film transistors having the gate connected to a different gate line. The two gate lines are interposed between the three secondary pixel regions or arranged along a side or opposite sides of the primary pixel regions in a first direction. The three data lines are arranged between the primary pixel regions and along a side or opposite sides of the primary pixel regions in a second direction different from the first direction. | 03-20-2014 |
20140091996 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING TFT COMPENSATION CIRCUIT - The present invention relates to a liquid crystal display (LCD) device. More particularly, the present invention relates to an LCD device including a thin film transistor (TFT) compensation circuit in an LCD device which implements a driving circuit by using an oxide TFT, the LCD device capable of compensating for degraded characteristics of a TFT due to threshold voltage shift. As the compensation circuit including a dummy TFT is formed on a non-active area of the LC panel, the degree of threshold voltage shift of the DT due to a DC voltage can be sensed. Based on the sensed result, a threshold voltage of a second TFT can be compensated. This can reduce lowering of a device characteristic. | 04-03-2014 |
20140091997 | SHIFT REGISTER AND FLAT PANEL DISPLAY DEVICE HAVING THE SAME - The present disclosure relates to a shift register, and more particularly, a shift register having a sensing circuit for quantitatively measuring a threshold voltage shifted level of a thin film transistor, which is deteriorated due to a continuously applied direct-current (DC) voltage, in a shift register having thin film transistors using oxide silicon as an active layer. | 04-03-2014 |
20140098013 | SHIFT REGISTER, INTEGRATED GATE LINE DRIVING CIRCUIT, ARRAY SUBSTRATE AND DISPLAY - A shift register an integrated gate line driving circuit, an array substrate and a display are disclosed. Two electronic switching modules are added to the existing shift register, wherein one of the two electronic switching modules is arranged among a puling-down node, a low level signal terminal and a pulling-up node, and the other is arranged among the pulling-down node, the low level signal terminal and a signal output terminal; during the non-operating time of the shift register and when the pulling-down node is at a low level, the two electronic switching modules are turned on, and discharge the pulling-up node and the signal output terminal respectively to pull down the noise voltage, thereby effectively reducing the noise interference of the shift register during the non-operating time. | 04-10-2014 |
20140104148 | Liquid Crystal Display and the Driving Circuit Thereof - A liquid crystal display and the driving circuit of the liquid crystal display are disclosed. Each switch corresponds to one channel of scanning drivers and at least one column of the pixels. Inputs of each switch electrically connect with one channel of the scanning drivers. Each output of each switches electrically connect with one scanning line of at least one column respectively so as to input scanning signals from the scanning driver to sub-pixel electrodes connected with the corresponding scanning lines. | 04-17-2014 |
20140104149 | LIQUID CRYSTAL DISPLAY DEVICE HAVING MINIMIZED BEZEL - A liquid crystal display (LCD) device includes: a dummy region on which a gate driver is mounted; an active region including a plurality of pixel regions to implement an actual image; and first and second lines disposed in the dummy region, wherein the first line is formed on a substrate and the second line is formed on an insulating layer such that portions of the first and second lines overlap with the insulating layer interposed therebetween. | 04-17-2014 |
20140104150 | Liquid Crystal Display Device - A display device includes a first gate signal line and a second gate signal line, and a first drain signal line, a second drain signal line, and a third drain signal line. A first pixel and a second pixel are surrounded by the first gate signal line, the second gate signal line, the first drain signal line, and the second drain signal line, and a third pixel and a fourth pixel are surrounded by the first gate signal line, the second gate signal line, the second drain signal line, and the third drain signal line. A first storage line and a second storage line are disposed between the first gate signal line and the second gate signal line, and the first pixel includes a first thin film transistor connected to the first gate signal line, the first drain signal line, and a first pixel electrode of the first pixel. | 04-17-2014 |
20140111412 | GATE SIGNAL LINE DRIVING CIRCUIT AND DISPLAY DEVICE - A gate signal line driving circuit and a display device which can suppress the degradation of an element attributed to the use of the element for a long time, and can realize the prolongation of lifetime of the element are provided. With respect to elements to which a HIGH voltage is applied for a long time, a plurality of elements are connected in parallel, and at least some of the plurality of elements are driven by switching elements. | 04-24-2014 |
20140139417 | APPARATUS FOR REDUCING POWER CONSUMPTION OF LIQUID CRYSTAL PANEL AND METHOD FOR THE SAME - An apparatus for reducing power consumption of a liquid crystal panel is provided. The apparatus comprises Thin Film Transistors formed on each of data lines, cut line formed in the direction parallel to gate lines and connected to the gate of the TFTs, and a switching control unit; wherein, the switching control unit controls the on/off state of the TFTs via the cut line during transmission of a data signal so as to control the number of the capacitors to be charged on the data line of the liquid crystal panel. A method for reducing power consumption of a liquid crystal panel is provided at the same time. By adopting the apparatus and the method provided in the embodiments of the present invention, the power consumption of the liquid crystal panel can be reduced effectively during the operation of the liquid crystal panel. | 05-22-2014 |
20140139418 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes a substrate; first and second pixel rows formed on the substrate and including a plurality of pixels; a first gate line extending in a row direction on the substrate and connected with the first pixel row; a second gate line extending in the row direction on the substrate, connected with the first pixel row; a third gate line extending in the row direction on the substrate, connected with the second pixel row, and adjacent to the second gate line; a fourth gate line extending in the row direction on the substrate, connected with the second pixel row; a plurality of data lines extending in a column direction on the substrate, wherein each of the data lines are disposed every two of the pixels; a first gate driver connected with the first and fourth gate lines and applying gate signals to the first and fourth gate lines; and a second gate driver connected with the second and third gate lines and applying gate signals to the second and third gate lines. | 05-22-2014 |
20140159998 | Current Detecting Circuit, Temperature Compensating Device and Display Device - The invention discloses a current detecting circuit, a temperature compensating device and a display device, and relates to the field of display technology, which resolves the problem of image flicker in the display screen or abnormal display due to changes in the turn-on voltage of the thin film transistors in the display panel caused by changes in the temperature in the prior art. The current detecting circuit includes a voltage source, a first mirror current source for supplying a reference current, a second mirror current source for obtaining a difference between a current output from the first mirror current source and a current output from a unit to be detected and converting the difference into a voltage signal, and an inverter for amplifying the voltage signal and output a detection result. A temperature compensating device including the foregoing current detecting circuit. A display device including the above temperature compensating device. | 06-12-2014 |
20140168045 | ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD - Embodiments of the invention disclose an array substrate, a liquid crystal display panel and a driving method for increasing aperture ratio of a pixel area, avoiding display horizontal stripes caused by difference in shape between black matrices in adjacent rows and improving display quality. The array substrate comprises: a plurality of data lines and a plurality of gate lines which are provided to intersect each other, and a plurality of pixel units, which are defined by enclosing by the plurality of data lines and the plurality of gate lines and are arranged in an array form, and each of which comprises a thin film transistor and a pixel electrode, the thin film transistor comprising a gate electrode, a source electrode connected to a corresponding data line and a drain electrode connected to the pixel electrode; two gate lines which are adjacent to each other are located between corresponding pixel units in two adjacent rows driven by the two gate lines, and for each of the pixel units in the two adjacent rows, a connection position of the drain electrode of the thin film transistor and the pixel electrode is between the two gate lines or over one corresponding gate line. | 06-19-2014 |
20140168046 | DRIVING CIRCUIT AND DISPLAY PANEL - Provided are a driving circuit and a display panel, the driving circuit comprises a voltage dividing module, a comparing module and a switching module, wherein the voltage dividing module has a first terminal connected to a first terminal of the switching module, a second terminal connected to a first terminal of the comparing module, and a third terminal serving as a grounding terminal; a second terminal of the comparing module is connected to a first voltage input terminal, third, fourth and fifth terminals of the comparing module are connected to three control terminals of the switching module respectively; the first terminal of the switching module is connected to a voltage output terminal, a second terminal of the switching module is connected to the first voltage input terminal, and third and fourth terminals of the switching module are connected to second and third voltage input terminal, respectively. | 06-19-2014 |
20140176409 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - Disclosed is an organic light emitting display device and a method of driving the same that can improve compensation performance of degradation of a driving TFT. A method of driving an organic light emitting display device comprises generating an estimated degradation value of a driving TFT by using accumulated data through input data counting; compensating all the pixels of a display panel by using a first gain value, which is initially set, and the estimated degradation value; generating a sensing value by sensing all or some of the pixels of the display panel after driving is performed for a certain time; generating a second gain value by compensating the first gain value if an error between the estimated degradation value and the sensing value is more than a reference value; generating compensation data by compensating the estimated degradation value by using the second gain value; and compensating all the pixels of the display panel by using the compensation data. | 06-26-2014 |
20140176410 | GATE DRIVING CIRCUIT, DISPLAY MODULE AND DISPLAY DEVICE - Provided are a gate driving circuit, a display module and a display device belonging to the field of display technique and being designed for solving the problem of high power consumption of the display module in the prior art. The gate driving circuit is used for driving gates of TFTs corresponding to gate lines connected thereto, and includes at least two stages of shift registers connected in cascade, wherein each stage of shift register includes a first output terminal and a second output terminal, the first output terminal is connected to an enable signal input terminal of a next stage of shift register so as to output a next stage enable signal to the next stage of shift register, and the second output terminal is connected to a corresponding gate line so as to apply a gate driving signal on the gates of TFTs through the corresponding gate line. | 06-26-2014 |
20140191934 | DRIVING CIRCUIT OF A SEMICONDUCTOR DISPLAY DEVICE AND THE SEMICONDUCTOR DISPLAY DEVICE - There are provided a driving circuit of a semiconductor display device which can obtain an excellent picture without picture blur (display unevenness) and with high fineness/high resolution, and the semiconductor display device. A buffer circuit used in the driving circuit of the semiconductor display device is constituted by a plurality of TFTs each having a small channel width, and a plurality of such buffer circuits are connected in parallel with each other. | 07-10-2014 |
20140191935 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - The invention provides a liquid crystal display device that includes an IGZO-GDM which can quickly remove a residual charge in a panel when the power supply is turned off, and a driving method of the liquid crystal display device. Each bistable circuit that configures a shift register includes a thin film transistor TI for increasing a potential of an output terminal based on a first clock, a region netA connected to a gate terminal of the thin film transistor TI, a thin film transistor TC for lowering a potential of the region netA, and a region netB connected to a gate terminal of the thin film transistor TC. In such a configuration, a power supply off sequence includes a display off sequence and a gate off sequence. The gate off sequence includes at least a gate-bus-line discharge step (t | 07-10-2014 |
20140198022 | DRIVING MODULE WITH COMMON CONTROL NODE - A driving module with a common control node according to the present invention is revealed. The driving module comprises a plurality of output units, a forward input unit and a reverse input unit. The output units are all coupled to a control node to share the control node. The output units output forward scanning signals sequentially according to the charge of the control node when the control node is charged by the forward input unit. The output units output reverse scanning signals sequentially according to the charge of the control node when the control node is charged by the reverse input unit. Thus, the present invention is provided to output forward or reverse scanning signals from the output units by sharing the control node so as to decrease the circuit area in the driving module. | 07-17-2014 |
20140204009 | GATE DRIVER AND A DISPLAY DEVICE INCLUDING THE SAME - A gate driver includes a plurality of stages, wherein an n-th stage includes: a pull-up unit configured to output a high voltage of a clock signal as a high voltage of an n-th gate signal; a pull-down unit configured to decrease the high voltage of the n-th gate signal to a first low voltage; a discharging unit configured to discharge a voltage of the first node to a second low voltage lower than the first low voltage; a carry unit configured to output the high voltage of the clock signal as an n-th carry signal; an inverter unit configured to output a signal in synchronization with the clock signal; a first node storage unit configured to maintain the voltage of the first node at the second low voltage; and a second node storage unit configured to maintain the voltage of the second node at the first or second low voltage. | 07-24-2014 |
20140232626 | DISPLAY PANEL SOURCE LINE DRIVING CIRCUITRY - An electronic display system has a light transmissive panel, a region of display elements on the panel, and source lines coupled to the display elements. A demultiplexor circuit has multiple groups of pass gates. Each pass gate has a pair of complimentary on-panel transistors, and the signal outputs of each group are connected to a respective group of the source lines. A display driver integrated circuit (IC) receives video data and timing control signals. A signal input of each group of pass gates is connected to a respective output pin of the driver IC. The display driver IC provides digital timing control signals to control the pass gates of the demultiplexor circuit. Other embodiments are also described. | 08-21-2014 |
20140240209 | SHIFT REGISTER, GATE DRIVER, AND DISPLAY APPARATUS - Disclosed is a shift register, a gate driver and a display apparatus. The shift register comprises: a pulling-up transistor (M | 08-28-2014 |
20140247203 | SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal panel, a reflective pixel electrode and a transmissive pixel electrode in a unit pixel are supplied with an image signal output from a data line drive circuit, the two mutually different scanning signals output from a scanning line drive circuit, and common signals output from a common line drive circuit. The phase of the image signal is set different from that of the common signal. Further, a period during which the two scanning signals are selected is set in one horizontal period, the ending of the selection period for one of the scanning signals is set to a point in time before an electrical potential of the common signal changes, and the ending of the selection period for the other scanning signal is set to a point in time after the electrical potential of the common signal changes. | 09-04-2014 |
20140247204 | PIXEL CIRCUIT, DISPLAY DEVICE, AND METHOD OF DRIVING PIXEL CIRCUIT - A pixel circuit, display device, and method of driving a pixel circuit enabling source-follower output with no deterioration of luminance even with a change of the current-voltage characteristic of the light emitting element along with elapse, enabling a source-follower circuit of n-channel transistors, and able to use an n-channel transistor as an EL drive transistor while using current anode-cathode electrodes, wherein a source of a TFT | 09-04-2014 |
20140313114 | COLUMN DRIVER OF DISPLAY DEVICE - A column driver of a display device provides a high slew rate with lowered power requirements by using external switches connected to upper and bottom output buffers. The upper output buffer is driven between a first voltage rail and a second voltage rail, and outputs a first output signal in response to a first input signal and a second input signal. The bottom output buffer is driven between the second voltage rail and a third voltage rail, and outputs a second output signal in response to a third input signal and a fourth input signal. A first switch group selectively provides input for the upper output buffer and the bottom output buffer. A second switch group feeds back the first and the second output signals to the first or the second input terminal of each of the upper output buffer and the bottom output buffer. | 10-23-2014 |
20140347261 | ARRAY SUBSTRATE AND LIQUID CRYSTAL PANEL - An array substrate and a liquid crystal panel are disclosed. The first scanning line is configured to turn on or off the first switch and the second switch. The data line connects to the first pixel electrode and the second pixel electrode respectively by a first switch and a second switch. The second scanning line is configured to turn on or off the third switch. The input end of the third switch connects to one of the pixel electrode. The output end of the third switch and the common electrodes are connected. With the above configuration, the aperture rate in the 2D display mode is enhanced and the cross talk in 3D display mode is reduced. In addition, the number of the data driven chips is also reduced so as the manufacturing cost. | 11-27-2014 |
20140368417 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device including a plurality of pixels in a display portion and configured to performed display in a plurality of frame periods, each of the frame periods includes a writing period and a holding period, and after an image signal is input to each of the plurality of pixels in the writing period, a transistor included in each of the plurality of pixels is turned off and the image signal is held for at least 30 seconds in the holding period. The pixel includes a semiconductor layer including an oxide semiconductor layer, and the oxide semiconductor layer has a carrier concentration of less than 1×10 | 12-18-2014 |
20140375535 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a driver and a control circuit. The control circuit is configured to cause the driver to carry out one of an ordinary driving and an intermittent driving, which is set by switching. The control circuit supplies signals to a plurality of pixel electrodes of each of columns of the pixel electrodes in each of frame periods in the intermittent driving, the supplied signals having polarities inverted in units of at least one row. | 12-25-2014 |
20150009111 | PIXEL CIRCUIT AND DISPLAY DEVICE - Provided are a pixel circuit and a display device which support multi-gradation display and can prevent display quality from deteriorating with low power consumption. A pixel circuit ( | 01-08-2015 |
20150015471 | LC PANEL, LCD DEVICE, AND METHOD FOR DRIVING THE LC PANEL - A liquid crystal panel includes a plurality of thin film transistors (TFTs), scan lines, data lines, a scan driving chip, and a data driving chip. The scan driving chip includes a compensation driving unit coupled to the scan lines. The compensation driving unit drives the TFTs corresponding to a next-row of scan line to turn on when the scan driving chip drives the TFTs corresponding to a current-row of scan line to turn on or after the scan driving chip drives the TFTs corresponding to the current-row of scan line to turn on. The compensation driving unit drives the TFTs corresponding to the next-row of scan line to turn off when the TFTs corresponding to the current-row of scan line receive a data signal of the data driving chip or before the TFTs corresponding to the current-row of scan line receive the data signal of the data driving chip. | 01-15-2015 |
20150029081 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device, including: a plurality of scanning connection lines formed on at least one side of edges of the image display region, the plurality of scanning connection lines connecting together a scanning signal drive circuit and a plurality of scanning signal lines; a selection circuit formed so as to be interposed between the plurality of scanning connection lines and the plurality of scanning signal lines, the selection circuit being configured to selectively short-circuit one of a plurality of the scanning signal lines to one of the plurality of scanning connection lines based on a selection signal; and a selection signal line connected to the selection circuit, the selection signal line transmitting the selection signal to the selection circuit. | 01-29-2015 |
20150070258 | DISPLAY DEVICE - A scan line to which a selection signal or a non-selection signal is input from its end, and a transistor in which a clock signal is input to a gate, the non-selection signal is input to a source, and a drain is connected to the scan line are provided. A signal input to the end of the scan line is switched from the selection signal to the non-selection signal at the same or substantially the same time as the transistor is turned on. The non-selection signal is input not only from one end but also from both ends of the scan line. This makes it possible to inhibit the potentials of portions in the scan line from being changed at different times. | 03-12-2015 |
20150102988 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a lateral electric-field type of liquid crystal display device includes a display panel and a controller, wherein a frame frequency falls within a range of 1 Hz to 10 Hz, an off-leak current of each of the TFTs has a value of 1×10 | 04-16-2015 |
20150123886 | GATE DRIVING CIRCUIT FOR DISPLAY - A gate driving circuit for a display is disclosed. The gate driving circuit utilizes at least one transistor that is connected in series between an input end of a reference voltage signal and a transistor connected to a node providing a high voltage level. Also, a predetermined high voltage is provided to an input terminal located between the at least one transistor and the transistor connecting to the node. For example, the driving voltage of a gate line corresponding to a circuit of current stage is fed into the input terminal. The provided predetermined high voltage can reduce the voltage difference between the source electrode and the drain electrode of the transistor. In such a manner, the gate driving circuit can reduce the occurrence of current leakage in the transistor, thereby improving the stability of driving voltage of the gate driving circuit and the reliability of the gate driving circuit. | 05-07-2015 |
20150138057 | Liquid crystal display device - A liquid crystal display device is disclosed. The display device includes gate drive ASG circuits, and a driver integrated circuit configured to connect wires from gate line output terminals of the ASG circuits with a client system. The ASG circuits output level signals to the client system, and the client system is configured to determine a duration time during which the level signals from the ASG circuits exceed a preset level signal threshold value, and in response to the duration time being less than the preset time threshold value, the driver integrated circuit receives an adjusted signal code required for operation of the ASG circuits, and the driver integrated circuit drives the ASG circuits according to the adjusted signal code required for operation of the ASG circuits. | 05-21-2015 |
20150294637 | DISPLAY PANEL DRIVING CIRCUIT, DRIVING METHOD THEREOF, AND DISPLAY DEVICE - Embodiments of the present invention provide a driving circuit for a display panel which comprises a plurality of pixel units defined by intersected gate lines and data lines and arranged in a matrix form, a driving method of a display panel driving circuit and a display device, relating to the field of display technology. The display panel driving circuit includes pixel charging units, each of which is used for combining voltages outputted from a clock pulse vertical terminal and a data voltage signal terminal to serve as a driving voltage for a data line to increase the charging voltage of pixel units, so that the charging time is shortened, and the capability of driving a display panel load can be enhanced. | 10-15-2015 |
20150317941 | Pulse Output Circuit, Shift Register, and Display Device - A circuit is provided which is constituted by TFTs of one conductivity type, and which is capable of outputting signals of a normal amplitude. When an input clock signal CK | 11-05-2015 |
20150317943 | DIFFERENTIAL AMPLIFIER AND CONTROL METHOD FOR THE SAME - A liquid crystal display apparatus includes a signal generating circuit configured to generate a first control signal and a second control signal; and a differential amplifier. The differential amplifier includes: a first differential pair of transistors configured to receive a differential input signal; a first constant current source connected with said first differential pair of transistors; and a first switch connected in parallel with said first constant current source and configured to increase current which flows through said first differential pair of transistors, in response to said first control signal which is active for a first time period in a level transition of said differential input signal. | 11-05-2015 |
20150325188 | Array Substrate and Display Panel - The present invention provides an array substrate and a display panel. The array substrate comprises a plurality of data lines and a plurality of common electrode lines, wherein, the array substrate further comprises at least one discharge unit, each discharge unit corresponds to one of the plurality of data lines and is connected between the corresponding data line and one of the plurality of common electrode lines, and each discharge unit can selectively conduct the data line to the common electrode line connected thereto. The display panel comprises the array substrate. In the present invention, the discharge unit can selectively conduct the data line connected thereto to the common electrode line connected thereto, to enable fast discharge of the storage capacitance and reduce occurrence of afterimage phenomenon. | 11-12-2015 |
20150325196 | CIRCUIT FOR DRIVING LIQUID CRYSTAL DISPLAY - A circuit for driving a liquid crystal display includes: a high selection unit turned on by a high selection signal; a low selection unit turned on by a low selection signal and transferring a low data signal to one side of the first storage capacitor; a high transfer unit connected to one side of the first storage capacitor, turned on by a high transfer signal and transferring voltage; a low transfer unit connected to one side of the first storage capacitor, turned on by a low transfer signal and transferring the voltage stored at one side of the first storage capacitor to one side of the liquid crystal capacitor; and a reset unit connected to one side of the liquid crystal capacitor, turned on by a reset signal and transferring a center voltage to one side of the liquid crystal capacitor. | 11-12-2015 |
20150333737 | Control Circuit for a Gate Driver Circuit, Operating Method Thereof and Display Device - The present invention discloses a control circuit for a gate driver circuit, an operating method thereof and a display device comprising the control circuit, the control circuit includes: a detection circuit, a power supply and a charge pump circuit, wherein, the detection circuit is used to generate a digital control signal corresponding to an ambient temperature based on the ambient temperature of the gate driver circuit, the power supply is used to supply an initial voltage to a pump charge circuit and the pump charge circuit is used to adjust the initial voltage based on the digital control signal to generate a driving voltage, and output the driving voltage to the gate driver circuit. By enabling the driving voltage to be dynamically adjustable, the power consumption of the gate driver circuit is reduced, and the life of the thin film transistor in the gate driver circuit is lengthened. | 11-19-2015 |
20150339999 | SHIFT REGISTER, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE - A shift register according to the present disclosure may specifically include multi-level shift register units, a first connecting TFT set and a second connecting TFT set. In the multi-level shift register units, control signal input ends of odd-number-level shift register units are inputted with a first control signal and control signal input ends of even-number-level shift register units are inputted with a second control signal. Connecting TFTs in the first connecting TFT set and the second connecting TFT set are configured to achieve an electrical connection between gate electrode signal output ends of odd-number-level shift register units and even-number-level shift register units in the shift register under a control of a control signal transmitted by a timing controller. | 11-26-2015 |
20150340000 | ARRAY SUBSTRATE AND METHOD FOR DRIVING THE SAME, AND LIQUID CRYSTAL DISPLAY PANEL - It is provided an array substrate and a method for driving the array substrate, and a liquid crystal display panel. The array substrate includes: a plurality of sub-pixels formed on a substrate in a matrix form; a plurality of data lines each configured to provide a signal to one column of sub-pixels of the plurality of sub-pixels; and a plurality of gate lines each configured to provide a gate line signal to one row of sub-pixels of the plurality of sub-pixels, wherein each of the plurality of sub-pixels includes at least two sub-pixel electrodes, and each of the at least two sub-pixel electrodes receives a data signal from the same one of the plurality of data lines via a corresponding switching element. | 11-26-2015 |
20150340003 | LIQUID CRYSTAL DISPLAY DEVICE FOR IMPROVING THE CHARACTERISTICS OF GATE DRIVE VOLTAGE - An LCD device can include a liquid crystal display panel having a plurality of gate lines; a controller configured to generate at least four clock signals with different phases; a first gate driver configured to apply a high gate voltage to odd-numbered gate lines in response to at least two of the clock signals; a second gate driver configured to apply the high gate voltage to even-numbered gate lines in response to other clock signals; primary discharge circuits each configured to apply a low gate voltage to the respective odd-numbered gate line in response to a carry signal opposite to a voltage level on one of posterior odd-and-even-numbered gate lines; and secondary discharge circuits each configured to apply the low gate voltage to the respective even-numbered gate line in response to the carry signal opposite to the voltage level on the other one of the posterior odd-and-even-numbered gate lines. | 11-26-2015 |
20150348482 | DISPLAY DEVICE AND METHOD THEREOF - A display device is disclosed, and the display device has a display panel and a lens plate. The display panel has a thin film transistor array substrate, a color filter substrate, and a liquid crystal layer, wherein a pixel unit of the thin film transistor array has first pixel portion and second pixel portion. Furthermore, a data line is configured to provide a two-dimensional image data or a three-dimensional image data to the pixel unit; a first scan line is connected to a first switch of the first pixel portion, and a second scan line is connected to a second switch of the second pixel portion. | 12-03-2015 |
20150348484 | ROW DRIVING CIRCUIT FOR ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY DEVICE - An n-th stage array substrate row driving unit of a row driving circuit for an array substrate is provided. The n-th stage array substrate row driving unit comprises an (n−3)-th and an (n−2)-th stage signal input terminal and a pull-up controlling unit. The pull-up controlling unit is a first thin film transistor and is connected to the (n−2)-th and a (n−3)-th stage signal input terminal. A peak voltage of the (n−3)-th stage signal input terminal is twice a peak voltage of the (n−2)-th stage signal input terminal. Thus, the threshold voltage shift of the TFT elements can be avoided, and the stability of the output can be improved. | 12-03-2015 |
20150356940 | DISPLAY DEVICE - A demultiplexer circuit ( | 12-10-2015 |
20150379912 | TFT ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE - A TFT array substrate is disclosed. The array substrate includes gate lines, first and second gate driving circuits, first, second, third, and fourth clock signal lines, first and second initial signal lines, first and second initial transistors, and first, second, third, and fourth clock transistors. The first gate driving circuit includes m stages of first repeating units. The second gate driving circuit includes n stages of second repeating units. Where m and n are positive integers, and 2≦m, 2≦n. | 12-31-2015 |
20150379948 | Display Apparatus - Provided is a display device capable of suppressing electrostatic breakdown due to dummy wiring even when the dummy wiring is arranged adjacent to signal wiring supplying a display region with a driving signal. | 12-31-2015 |
20150379951 | Method For Compensating Resistance Of Signal Lines Of Gate Driving Circuits And Liquid Crystal Panel Applying The Same - A method for compensating resistance of signal lines of gate driving circuits and the liquid crystal panel applying the method are provided. The method includes: (1) providing a TFT substrate having a GOA area arranged thereon, the GOA area comprises a plurality of GOA units, each of the GOA units comprises a plurality of GOA modules electrically connects to one pull-line; (2) providing a control system board electrically connecting to the GOA modules via the pull-lines; and (3) adjusting the resistance between the control system board and the GOA modules such that the clock signals provided from the control system board to the GOA modules within the same GOA unit is the same. As such, the delays of the gate driving signals are the same, and the charging rate of the two adjacent pixel rows are the same. In this way, the gray scales of the two adjacent pixel rows are the same, not only the stripes are avoided but also the display performance is enhanced. | 12-31-2015 |
20150379952 | DISPLAY DEVICE - A display device can include a display panel having first and second panel blocks, a switching element that selectively connects a first data line formed in the first panel block and a second data line formed in the second panel block, a gate driver that feeds a gate pulse to gate lines formed in the first and second panel blocks, a first data driver that feeds a data voltage to the first data line, a second data driver that feeds a data voltage to the second data line, and a dimming-proof part that controls the operation timing of the switching element. | 12-31-2015 |
20160012792 | DISPLAY PANEL, DISPLAYER AND DRIVING METHOD | 01-14-2016 |
20160063938 | DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE USING A MASK - Disclosed is a method of manufacturing a display device having a display area and a non-display area, the method including aligning a mask over a substrate, the mask including a central shield portion, a peripheral shield portion outside the central shield portion, with an opening between the central shield portion and the peripheral shield portion, a holding portion in the opening that connects the central shield portion with the peripheral shield portion, and a diffusion area under the holding portion defined by a thickness difference of the mask between the holding portion and one of the central and peripheral shield portions; depositing a conductive material on the substrate through the mask to form a single pieced, loop-shaped conductive path surrounding the display area in the non-display area; and forming a transparent conductive layer on the substrate, the transparent conductive layer being continuously formed in the display and non-display areas and formed to be in direct contact with the single pieced, loop-shaped conductive path. | 03-03-2016 |
20160086561 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display device, including a display panel including data lines and gate lines intersecting the data lines, a gate driver configured to sequentially apply a scan signal to the gate lines, a data driver configured to apply data voltages corresponding to each gate lines to the data lines, a timing controller configured to control the gate driver and the data driver, a power source supply circuit configured to supply a positive power source and a negative power source, a common voltage feedback circuit configured to receive the positive power source and the negative power source from the power source supply circuit, receive a reference voltage and a common voltage from the display panel, and output an amplified feedback signal corresponding to a voltage level difference between the reference voltage and the common voltage. | 03-24-2016 |
20160094219 | TRANSISTOR SWITCH HAVING CONSTANT ON RESISTANCE WITH INPUT SIGNAL WITH HAVING VARIABLE VOLTAGE COMPONENT - Systems, methods, and devices to control a transistor to maintain one or more substantially constant characteristics while activated or deactivated are provided. One such system includes a transistor that receives an activation signal on a gate terminal to become activated during a first period and receives a deactivation signal on the gate terminal to become deactivated during a second period. The transistor receives an input signal on an input terminal during the first period and the second period. The input signal varies during the first period and during the second period. The transistor may have improved reliability (e.g., substantially constant on resistance R | 03-31-2016 |
20160098965 | Display Having Vertical Gate Line Extensions and Minimized Borders - A display may have an array of pixels arranged in rows and columns. Each pixel may have a transistor for controlling the amount of output light associated with that pixel. The transistors may be thin-film transistors having active areas, first and second source-drain terminals, and gates. Gate lines may be used to distribute gate control signals to the gates of the transistors in each row. Data lines that run perpendicular to the gate lines may be used to distribute image data along columns of pixels. The gate lines may be connected to gate line extensions that run parallel to the data lines. The data lines may each overlap a respective one of the gate line extensions. Vias may be used to connect the gate line extensions to the gate lines. The gate line extensions may all have the same length. | 04-07-2016 |
20160104400 | BRIGHT DOT DETECTION METHOD AND DISPLAY PANEL - A bright dot detection method adapted to be used in a display panel including a plurality of gate lines, a plurality of source lines and a bright dot detection module. The plurality of gate lines and the plurality of sources line are interlaced thereby forming a plurality of pixels. The bright dot detection method includes: driving the plurality of pixels through enabling the plurality of gate lines simultaneously, thereby forming a first bright line in a first direction; and driving the plurality of pixels through enabling the plurality of gate lines sequentially and providing a control signal to the bright dot detection module, thereby forming a second bright line in a second direction, wherein a bright dot is positioned where the first and second bright lines meet with each other. A display panel is also disclosed. | 04-14-2016 |
20160104442 | DISPLAY PANEL, DISPLAY DEVICE, AND DRIVING METHOD OF DISPLAY DEVICE - A display panel, a display device and a driving method of the display device, where the display panel includes a pixel structure that includes: in one of two adjacent rows of pixel units, a thin film transistor of a pixel unit in a row electrically connected to a pixel electrode of a pixel unit in the same row adjacently disposed at a first side of the pixel unit; and in the other one of the two adjacent rows of pixel units, a thin film transistor of a pixel unit electrically connected to a pixel electrode of the pixel unit, or electrically connected to a pixel electrode of a pixel unit in the same row adjacently disposed at a second side of the pixel unit; the first side of the thin film transistor being arranged opposite to the second side of the thin film transistor. | 04-14-2016 |
20160118005 | DISPLAY DEVICE - A display device includes: a first substrate; a pixel electrode on the first substrate, the pixel electrode including separately formed first and second sub-pixel electrodes; a first thin film transistor (TFT) connected to the first sub-pixel electrode; a second TFT connected to the second sub-pixel electrode; a third TFT connected to one of the first and second TFTs; a gate line connected to the first, second, and third TFTs; a data line intersecting the gate line and respectively connected to the first and second TFTs; and a storage line, at least a part of the storage line spaced apart from and in parallel with the data line and connected to the third TFT. The first, second, and third TFTs may include a common gate electrode extending from the gate line. | 04-28-2016 |
20160125821 | DRIVING CIRCUIT AND DISPLAY APPARATUS INCLUDING THE SAME - A driving circuit includes a receiver configured to receive an image control signal comprising a data signal and a clock signal, separate the data signal from the clock signal and output the separated data and clock signals, a clock recovery unit generating a reference clock signal based on the clock signal and generating a plurality of multi-phase clock signals having different phases from that of the reference clock signal, an output clock generation unit outputting an output clock signal in synchronization with the clock signal and the plurality of multi-phase clock signals, and a data output unit driving a plurality of data lines with a data driving signal corresponding to the data signal in synchronization with the output clock signal, and the output clock generation unit outputs the plurality of multi-phase clock signals. | 05-05-2016 |
20160125830 | GOA CIRCUIT BASED ON LTPS SEMICONDUCTOR TFT - The present invention provides a GOA circuit based on LTPS semiconductor TFT, comprising a plurality of GOA units which are cascade connected, and N is set to be a positive integer and an Nth GOA unit comprises a pull-up control part ( | 05-05-2016 |
20160125831 | GOA CIRCUIT OF LTPS SEMICONDUCTOR TFT - The present invention provides a GOA circuit of LTPS semiconductor TFT, employed for backward scan transmission, comprising a plurality of GOA units which are cascade connected, and N is set to be a positive integer and an Nth GOA unit utilizes a plurality of N-type transistors and a plurality of P-type transistors and the Nth GOA unit comprises a transmission part ( | 05-05-2016 |
20160140922 | GOA CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE APPLIED TO LIQUID CRYSTAL DISPLAYS - A GOA circuit applied to a liquid crystal display is disclosed, which comprises a plurality of cascaded shift register units, an (N)th level shift register unit is controlled to charge an (N)th level scanning line accordingly. The (N)th level shift register unit includes a pull-up circuit, a pull-down circuit, a pull-down sustain circuit, a pull-up control circuit, a down transfer circuit, and an bootstrap capacitor, and a display device is also disclosed herein. By replacing scanning lines with a constant voltage VDD or two voltages to accomplish the function of down transfer, the loading of scanning lines and the risk which comes with wiring step-by-step are decreased, forward-scanning operation and backward-scanning operation are accomplished accordingly. | 05-19-2016 |
20160180790 | DISPLAY DEVICE | 06-23-2016 |
20160189647 | GOA CIRCUIT APPLIED TO LIQUID CRYSTAL DISPLAY DEVICE - A GOA (Gate On Array) circuit applied to a liquid crystal display device is disclosed. The liquid crystal display device has a plurality of scan lines, The GOA circuit has a plurality of cascaded GOA units. An (N)th level GOA unit controls charge to an (N)th level scanning line. The (N)th level GOA unit includes a forward-reward scan circuit, a pull-up circuit, an bootstrap capacitor circuit, a pull-up control circuit, and a pull-down sustain circuit. The pull-up circuit, the bootstrap capacitor circuit, the pull-up control circuit, and the pull-down sustain circuit are connected with a gate signal point. The forward-reward scan circuit is connected with an (N−1)th level scanning line and an (N+1)th level scanning line, so as to raise the stability of the gate signal point and reduce the usages of thin film transistors. | 06-30-2016 |
20180026117 | DISPLAY DEVICE | 01-25-2018 |