40th week of 2008 patent applcation highlights part 25 |
Patent application number | Title | Published |
20080238247 | Piezo-Electric Motor - In a piezo-electric motor with alternately electrically actuated clamping piezo packs arranged between a reference part and a drive part and with two stepping piezo packs arranged in an opposite sense and assigned to each clamping piezo pack or to one clamping piezo pack or a support structure, the stepping piezo stacks are connected via quasi-pivotal joint structures to a foot at locations which are spaced from each other in the longitudinal direction of the clamping piezo pack and from the drive part. | 2008-10-02 |
20080238248 | MULTI-LAYER PIEZOELECTRIC ACTUATORS WITH CONDUCTIVE POLYMER ELECTRODES - A multi-layer piezoelectric actuator with conductive polymer electrodes is described. The piezoelectric actuator comprises a stack of alternating conductive electrode layers and piezoelectric layers. The conductive electrode layers are comprised of a polymeric electrically conductive material. A device for cooling by forced-air convection may comprise the piezoelectric actuator, a fan blade and an alternating current supply. The piezoelectric actuator coupled with the fan blade and the alternating current supply, which is provided for vibrating the fan blade. A method of cooling by forced-air convection comprises supplying an alternating current to the piezoelectric actuator, wherein the alternating current has a frequency and causes the fan blade to vibrate with the same frequency. | 2008-10-02 |
20080238249 | PIEZOELECTRIC MOTOR AND PIEZOELECTRIC MOTOR SYSTEM - A piezoelectric motor includes: a plurality of piezoelectric units, respectively in contact with a driven target, disposed separately from each other, and configured to drive the driven target; and a magnet configured to apply a preload force to each of the plurality of piezoelectric units by magnetically attracting the driven target in the absence of direct contact with the driven target. | 2008-10-02 |
20080238250 | DRIVING APPARATUS, LENS DRIVING APPARATUS AND IMAGE PICKUP APPARATUS - A driving apparatus comprises an actuator, the actuator comprising an electromechanical conversion element and a driving shaft attached to the electromechanical conversion element, wherein the driving apparatus expands and contracts the electromechanical conversion element by applying a driving signal to the electromechanical conversion element and reciprocally moves the driving shaft in accordance with expansion and contraction movement of the electromechanical conversion element so as to move a driven member frictionally engaged with the driving shaft, and wherein the driving signal is a pulse signal, and half of a time period corresponding to a reciprocal of a lowest resonance frequency in the actuator is set as a shorter output time among a high output time period and a low output time period of the drive signal. | 2008-10-02 |
20080238251 | DRIVING APPARATUS, LENS DRIVING APPARATUS AND IMAGE PICKUP APPARATUS - A driving apparatus comprises an actuator, the actuator comprising an electromechanical conversion element and a driving shaft attached to the electromechanical conversion element, wherein the driving apparatus expands and contracts the electromechanical conversion element by applying a driving signal to the electromechanical conversion element and reciprocally moves the driving shaft in accordance with expansion and contraction movement of the electromechanical conversion element so as to move a driven member frictionally engaged with the driving shaft, and wherein the driving signal is a pulse signal, and a time period corresponding to a half wavelength of a damping vibration displacement of a lowest resonance frequency in the actuator is set as a shorter output time among a high output time period and a low output time period of the driving signal. | 2008-10-02 |
20080238252 | Piezoelectric resonant power generator - A power generation system includes a piezoelectric component, a resilient stress inducer in operable communication with the piezoelectric component, and an actuator in operable communication with the resilient stress inducer to energize and release the resilient stress inducer and method for generating power. | 2008-10-02 |
20080238253 | ONE-WAY ROTATIONAL TRANSFER MECHANISM, AND ULTRASONIC ROTARY DRIVE DEVICE INCORPORATING ONE-WAY ROTATIONAL TRANSFER MECHANISM - A one-way rotational transfer mechanism includes a rotary input member; a holding member including an axially orthogonal surface to the axis; a hollow-cylindrical rotary output shaft positioned coaxially around the rotary input member to be rotatable relative to the rotary input member, and including a cylindrical inner peripheral surface; a circumferential guide groove formed on the rotary input member; and a torque transfer ball installed between the axially orthogonal surface, the cylindrical inner peripheral surface and the circumferential guide groove, to roll on and be held between the axially orthogonal surface and the circumferential guide groove. The circumferential guide groove is shaped to make the torque transfer ball revolve around the rotary input member in a same direction as the rotary input member while trailing therebehind and to make the torque transfer ball press against the cylindrical inner peripheral surface when the rotary input member rotates. | 2008-10-02 |
20080238254 | Screw Thread Driving Polyhedral Ultrasonic Motor - A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the screw threads. | 2008-10-02 |
20080238255 | VIBRATION ASSISTED MACHINING SYSTEM WITH STACKED ACTUATORS - A vibration assisted machining (VAM) system, including: a frame; a vibration element mechanically coupled to the frame; a cutting tool holder connected to the vibration element; and a workpiece holder coupled to the frame. The vibration element includes a first piezoelectric (PZT) actuator and a second PZT actuator, which are adapted to generate a substantially elliptical tool path in a vibration plane of the VAM system. The VAM system also includes a third PZT actuator coupled between the frame and either the vibration element or the workpiece holder. This third PZT actuator is coupled to the frame such that its polarization axis is substantially in the vibration plane and substantially perpendicular to the feed direction of the VAM system. | 2008-10-02 |
20080238256 | Dual direction rake piezo actuator - Methods and apparatus relating to use and/or provision of a rake piezo actuator are described. In one embodiment, a piezo patch may be coupled to a plurality of blades (e.g., to cause the blades to oscillate and provide air flow between fins of one or more heat sinks). Other embodiments are also described. | 2008-10-02 |
20080238257 | MEMS DEVICE AND PORTABLE COMMUNICATION TERMINAL WITH SAID MEMS DEVICE - It is made possible to provide a MEMS device that has a low operation voltage, a large contact pressure force, and a large separation force. A MEMS device includes: a substrate; a supporting unit that is provided on the substrate; a fixed electrode that is provided on the substrate; an actuator that includes a first electrode, a first piezoelectric film formed on the first electrode, and a second electrode formed on the first piezoelectric film, one end of the actuator being fixed onto the substrate with the supporting unit, the actuator extending in a direction connecting the supporting unit and the fixed electrode, the first electrode being located to face the fixed electrode; and a stopper unit that is located above a straight line connecting the supporting unit and the fixed electrode, and is located on the substrate so as to face the first electrode. | 2008-10-02 |
20080238258 | Actuator - To provide an actuator which is easily made a small size and flexible, and has a large displacement. The actuator comprises a rod-shaped actuator element, having one axial end thereof fixed, including a dielectric film made of a dielectric elastomer and a plurality of electrodes arranged via the dielectric film, in the actuator element, the dielectric film extends as a voltage applied across the electrodes becomes large, and a load member connected to the other axial end of the actuator element and fixed in a state in which the actuator element is permitted to be extended axially, characterized in that making large the voltage applied across the electrodes causes the dielectric film to be extended, whereby the actuator element is extended axially according to the tension of the load member. | 2008-10-02 |
20080238259 | ULTRASONIC PROBE AND PRODUCTION METHOD THEREOF - An ultrasonic probe realizing a high sensitivity and a wide band thereof while miniaturizing a transducer and also taking into consideration a measure against generated heat. The ultrasonic probe includes: a backing material; a transducer array having a multi-layered structure in which a plurality of transducers are arranged in a first direction to compose a transducer group and a plurality of the transducer groups are arranged in a second direction different from the first direction; a first layer of conductive resin electrically connecting the first electrode layers of adjacent transducers with each other in each transducer group; a second layer of conductive resin electrically connecting the internal electrode layers of adjacent transducers with each other in each transducer group; and an insulating resin disposed in a predetermined region among the plurality of transducers in each transducer group. | 2008-10-02 |
20080238260 | HYBRID PIEZOELECTRIC ENERGY HARVESTING TRANSDUCER SYSTEM - A hybrid piezoelectric energy harvesting transducer system includes: (a) first and second symmetric, pre-curved piezoelectric elements mounted separately on a frame so that their concave major surfaces are positioned opposite to each other; and (b) a linear piezoelectric element mounted separately on the frame and positioned between the pre-curved piezoelectric elements. The pre-curved piezoelectric elements and the linear piezoelectric element are spaced from one another and communicate with energy harvesting circuitry having contact points on the frame. The hybrid piezoelectric energy harvesting transducer system has a higher electromechanical energy conversion efficiency than any known piezoelectric transducer. | 2008-10-02 |
20080238261 | Piezoelectric element and its manufacturing method - A piezoelectric element includes: a base substrate; a lower electrode provided on the base substrate; a piezoelectric layer provided on the lower electrode; an upper electrode provided on the piezoelectric layer; and a protection layer that covers a side surface of the piezoelectric layer, wherein the protection layer is formed from polymeric material. | 2008-10-02 |
20080238262 | ULTRASONIC PROBE - An ultrasonic probe includes piezoelectric elements each including grooves parallel to each other and arrayed in a direction substantially parallel to the grooves, and a mixed member which is to fill the grooves and obtained by mixing in a nonconductive resin member a nonconductive granular substance with a coefficient of thermal expansion of not more than substantially 10 | 2008-10-02 |
20080238263 | PIEZOELECTRIC ACTUATOR, METHOD OF MANUFACTURING SAME, AND LIQUID EJECTION HEAD - The piezoelectric actuator comprises: a supporting substrate; a thermal stress controlling layer which is formed on the supporting substrate; and a piezoelectric body which is formed as a film onto the thermal stress controlling layer on the supporting substrate at a higher temperature than room temperature, wherein the thermal stress controlling layer reduces a film stress induced by formation of the piezoelectric body. | 2008-10-02 |
20080238264 | Multi-Layer Piezoelectric Element and Method for Manufacturing the Same - The multi-layer piezoelectric element comprises a stack having an active portion constituted from at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, the active portion being subjected to expansion and contraction in response to a voltage applied across the first internal electrode and the second internal electrode, and external electrodes formed on two side faces of the stack with one thereof being connected to the first internal electrode and the other connected to the second internal electrode, wherein each of the external electrodes is constituted from three or more layers including a first layer formed in contact with the side face of the stack and a second layer formed on the first layer, to provide a multi-layer piezoelectric element having high durability. | 2008-10-02 |
20080238265 | Stepping motor and rotor - A stepping motor has a stator and a rotor disposed to surround the stator. The rotor has an annular magnet which has a plurality of magnetic poles formed along a circumference thereof, and a comb-teeth-shaped back yoke which is disposed to surround the magnet and has a plurality of comb teeth, the comb teeth being faced boundary positions of adjacent magnetic poles. | 2008-10-02 |
20080238266 | Axial gap type engine driven generator - An axial gap type generator which is shorter in axial length and lightweight is provided. An axial gap type engine driven generator in an axial gap type generator formed by an armature and a field magnet disposed in a housing along an axial direction of a drive shaft | 2008-10-02 |
20080238267 | Encoder arrangement on a direct current motor - An encoder arrangement of a direct current motor, having an encoder housing, an encoder disk, a circuit board arranged perpendicular in reference to an motor shaft with an optic sensor encompassing the encoder disk in a U-shaped manner, and a connection plug aligned parallel to the motor shaft. The encoder arrangement allows a simple, economical, reliable, and precise assembly, requiring little construction space, and protecting the encoder arrangement from contaminations. The circuit board is provided with accepting slots for connectors, with contact surfaces of the circuit board being arranged partially around the accepting slots and an electric contact is made between the connectors and the contract surfaces. The encoder housing comprises an encoder housing ring and an encoder housing lid. The encoder housing ring is provided with a radial recess, which is arranged in the area of the connector plug. The optical sensor is arranged on the circuit board at the side of the connector plug, and is provided with an accepting slot for the encoder disk, which accepting slot being open towards the motor shaft on which the encoder disk is mounted. The accepting slots are open on the side of the direct current motor opposite the connection plug and towards the edge of the circuit board. | 2008-10-02 |
20080238268 | Brushless automotive alternator having easily-replaceable protective resistor - A brushless alternator includes a stationary field winding, a rotor, a stator, a rectifier, a terminal, and a protective resistor. The stationary field winding creates a magnetic flux. The rotor creates a rotating magnetic field with the magnetic flux created by the field winding. The stator includes three different-phase windings to generate a three-phase AC power in the rotating magnetic field created by the rotor. The rectifier rectifies the three-phase AC power generated by the stator into a DC power. The terminal is provided so that AC power generated by one of the three windings of the stator can be output from the alternator to external through the terminal. The protective resistor is electrically connected between the terminal and the one of the three windings of the stator to protect the alternator from electrical damage. | 2008-10-02 |
20080238269 | Assembling structure for plat-panel display unit, and flat-panel television - An assembling structure for a flat-panel display unit, comprising: a housing body comprised of a front cabinet and a rear cabinet is assembled to house a flat display panel; at both side faces of rear cabinet, several base portions that are extended by predetermined lengths toward the front cabinets from the both side faces are provided; at inner sides of side faces of the front cabinet, engaging portions for engaging the base portions are provided; at the base portions, protruding portions are provided; at the engaging portions, guides for allowing the protruding portions to be slid are formed at predetermined angles relative to a direction perpendicular to a display face of the flat display panel. | 2008-10-02 |
20080238270 | MODULARIZED RADIO FREQUENCY BAND COMPONENTS ON REMOVABLE DOORS - A cabinet system comprises a chassis having a plurality of openings, a plurality of modular doors, and at least one radio frequency system. Each opening has removably attached chassis-hinge portions on one of two edges. Each modular door comprises an outside surface, an inside surface opposing the outside surface, and door-hinge receptacles on at least two edges. The door-hinge receptacles receive door-hinge portions. Each door-hinge portion is positioned in a respective door-hinge receptacle on one edge of the plurality of modular doors and is configured to mate with a respective chassis-hinge portion on the one edge of one of the plurality of openings so the mated chassis-hinge portion and door-hinge portion form a hinge to rotatably attach the modular door to the one of the openings. The radio frequency system comprises electronic components attached to the inside surface of at least one of the plurality of modular doors. | 2008-10-02 |
20080238271 | ELECTRICAL CONNECTION BOX - An electrical connection box includes: a body; a mounting member which is attached to the body; a shaft portion which is provided on the mounting member; and a shaft receiving portion which is provided on the body and receives the shaft portion rotatably. A first rib is formed on one of the shaft portion and the shaft receiving portion. When the mounting member is attached to the body, the first rib abuts against the other of the shaft portion and the shaft receiving portion. | 2008-10-02 |
20080238272 | HOUSING APPARATUS AND HOUSING RACK - There is provided a housing apparatus in and out of which a keyboard and a mouse can be put and taken. The housing apparatus includes a keyboard housing section | 2008-10-02 |
20080238273 | DISPLAY APPARATUS - A display apparatus includes a front casing which includes a front casing body which is formed with a display opening; and a display panel module combined with the front casing, and including a panel body, a frame which is formed on a peripheral area of the panel body and supports the panel body, and a panel supporting member which is formed on the frame and supported to the front casing. | 2008-10-02 |
20080238274 | Noise-suppressing dishwasher - Disclosed is a dishwasher that excludes operating noise transferred forwardly through a gap between a lower end of a main body and a mounting surface, thus minimizing noise perceived by a user. The dishwasher includes a main body provided with a washing chamber; and a front panel installed at a lower part of a front surface of the main body, and provided with a lower part covering a gap between the lower end of the main body and a mounting surface. The front panel includes a closure made of a flexible material connected to the lower part of the front panel. | 2008-10-02 |
20080238275 | RECESSED UNIT FOR DISPENSERS - The invention relates to a recessed frame for supporting at least one fixture in a wall opening, wherein one such fixture may be for instance a dispenser for paper. The frame comprises a first sub frame having spaced apart wall members defining an opening; the first sub frame having first flange members for mounting the first sub frame flush with a wall surface surrounding the wall opening. The frame further comprises a second sub frame having the same geometric configuration as said first sub frame, at least one section of said second sub frame being arranged to telescope with respect to said first sub frame. The second sub frame may be arranged for adjustable positioning relative to the first sub frame by means of said telescoping relationship with respect to the wall surface surrounding the said wall opening. The fixture is releasably attached to the second sub frame. Releasable securing means are provided for locking the first and second sub frames relative to each other in a predetermined position. | 2008-10-02 |
20080238276 | Hinge Assembly for the Articulated Connection of a Vertically Opening Panel
to a Furniture Element - A hinge assembly ( | 2008-10-02 |
20080238277 | Steel cabinet and locker - A storage cabinet including a rear wall having a first section with a first side edge and a second section attached to the first section and having a second side edge. A first sidewall is attached to the first side edge and a second sidewall is attached the second side edge. A top wall is attached to the first and second sidewalls and rear wall at upper ends thereof. A bottom wall is attached to the first and second sidewalls and rear wall at bottom ends thereof. At least two of the first section, the second section, the first sidewall, the second sidewall, the first door and the second door have a uniform size and shape. A plurality of attachment structures interconnect the first and second sections, the first and second sidewalls, the top wall, the bottom wall, the first door and the second door without the use of tools. | 2008-10-02 |
20080238278 | REFRIGERATOR HAVING BASKET LIFT APPARATUS - Disclosed is a refrigerator having a basket lift apparatus capable of improving convenience for a user by lifting up a basket when the basket disposed at a lower portion of a body is opened. The refrigerator comprises: a refrigerator body having cooling chambers for storing food items; a frame slidingly received in a cooling chamber disposed at a lower portion of the body; a basket put on the frame and storing food items; a door positioned at the front of the frame and hingedly connected to the frame; a first link, one side of the first link being rotatably connected to the basket or the frame and the other side being slidably coupled with the frame or the basket; a second link disposed across the first link, one side of the second link being rotatably connected to the basket or the frame and the other side being slidably coupled with the frame or the basket; and a link drive unit connected to the first link or the second link and driving the link to allow the basket to ascend with respect to the frame. | 2008-10-02 |
20080238279 | HOME-BAR DOOR AND THE MANUFACTURING METHOD - Provided is a home-bar door and a method of manufacturing the home-bar door. The home-bar door includes a first case, an insulating plate, and a second case. The first case forms a portion of an exterior of the home-bar door, and the insulating plate is disposed in the first case as a separate component. The second case is configured to be coupled to the first case to cover the insulating plate and form the exterior of the home-bar door. Therefore, since the first and second cases can be coupled to each other after disposing the insulating plate between the first and second cases, the home-bar door can be efficiently manufactured and have good quality. | 2008-10-02 |
20080238280 | SPARK PLUG OF INTERNAL COMBUSTION ENGINE - There is provided a spark plug of an internal combustion engine, including a cylindrical metal shell, an insulator retained in the metal shell and having a through hole in an axial direction of the spark plug and a center electrode fitted in the through hole of the insulator. The insulator includes a rear body portion, a middle body portion and a large-diameter portion located between and protruded radially outwardly from the rear and middle body portions to define a rear shoulder section connected to the rear body portion and a front shoulder section connected to the middle body portion. For strength improvements, the insulator has a first glaze layer extending over the rear body portion and the rear shoulder section of the large-diameter portion and a second glaze layer extending over at least part of the middle body portion from some point on the front shoulder section of the large-diameter portion. | 2008-10-02 |
20080238281 | PLASMA-JET SPARK PLUG - A plasma-jet spark plug comprising an insulator and a ground electrode which are disposed apart from each other in an axial direction (O) to prevent a damage of the insulator. The spark plug is capable of reducing an energy loss of the ejected plasma by defining a dimension of a clearance between the insulator and the ground electrode whereby deterioration of the ignitability of the plasma-jet spark plug is prevented. Clearance having a first clearance dimension “a” is formed between a front end of the insulator and the ground electrode. Since a volume S of a cavity formed at the front end side of the insulator is set to | 2008-10-02 |
20080238282 | METHOD FOR PRODUCING SPARK PLUG AND SPARK PLUG - A spark plug ( | 2008-10-02 |
20080238283 | PLASMA JET SPARK PLUG AND MANUFACTURING METHOD THEREFOR - A plasma jet spark plug and a manufacturing method therefor are disclosed. In a state in which a noble-metal chip having a flange-like outwardly projecting portion is disposed in a communication section of a ground electrode, an electrode base metal of the ground electrode is disposed in a stepped engagement portion of a metallic shell, which retains an insulator therein. While being pressed against a front end portion of the insulator, the noble-metal chip is joined to the electrode base metal, whereby a clearance between the ground electrode (electrode base metal) and the front end portion of the insulator can be closed. Therefore, energy of plasma generated within the cavity does not leak. | 2008-10-02 |
20080238284 | SPARK PLUG FOR INTERNAL COMBUSTION ENGINE - A spark plug ( | 2008-10-02 |
20080238285 | Carbon nanotube field emitter and method for fabricating the same - The present invention relates to a long-life carbon nanotube field emitter with a three-dimensional structure and method for fabricating the same. Since the emitter having an extended area according to the design of the present invention can minimize the current density flowing per single wire of the carbon nanotube, it can be expected that the damage of the carbon nanotube is minimized so that the lifetime of the field emitter can be significantly improved and the commercialization of the carbon nanotube field emitter will be advanced. | 2008-10-02 |
20080238286 | Crt Having a Low Moire Transformation Function | 2008-10-02 |
20080238287 | ELECTRON BEAM APPARATUS - The invention provides an electron beam apparatus having: a rear plate having a plurality of electron-emitting devices each provided with a device electrode, and a plurality of wirings connected to the device electrodes; and a face plate being provided with an anode electrode, and being arranged in opposition to the rear plate so as to be irradiated with an electron emitted from the electron-emitting device, wherein the device electrode is electrically connected to the wiring through an additional electrode, and the additional electrode is formed from an electroconductive material of which phase transition from a solid phase directly into a vapor phase is caused at a temperature not lower than a melting point of the device electrode within an evacuated atmosphere. | 2008-10-02 |
20080238288 | ELECTRON BEAM APPARATUS - A three-dimensional structure forming a space in which a wiring-side portion of a device electrode is located is arranged on a rear plate. A surface potential of the three-dimensional structure is defined so that an electric field intensity of the space becomes weaker than an average electric field intensity expressed below, | 2008-10-02 |
20080238289 | THERMO-OPTICALLY FUNCTIONAL COMPOSITIONS, SYSTEMS AND METHODS OF MAKING - A thermo-optically functional composition is disclosed. The composition includes a solid solution of at least two materials selected such that the composition emits thermal radiation, wherein each material is selected from the group consisting of metal carbides, metal nitrides, metal oxides, metal borides, metal silicides and combinations thereof, wherein each metal is selected from the group consisting of tungsten or tungsten alloys, hafnium or hafnium alloys, niobium or niobium alloys, tantalum or tantalum alloys, titanium or titanium alloys, zirconium or zirconium alloys, and combinations of two or more thereof. | 2008-10-02 |
20080238290 | Low Pressure Mercury Vapor Fluorescent Lamps - A low mercury consumption electric lamp is provided having a layer of a luminescent material comprising a phosphor derived from a mixture of a mixture of a cool-white calcium halophosphate, a red-emitting yttrium oxide (YOX), a green-emitting cerium, terbium lanthanum phosphate (LAP), and a blue-emitting europium-activated barium magnesium hexa-aluminate (BAM). | 2008-10-02 |
20080238291 | COMPACT FLUORESCENT LAMP AND LIGHTING APPARATUS - A compact fluorescent lamp includes an arc tube having a bulb with a spiral portion formed in at least a portion thereof, the bulb having an electrode sealed in each of both end portions thereof so as to form a discharge path inside, and both the end portions of the bulb opposing to each other at positions inside a portion having a maximum outer diameter of the spiral portion so that the opposing end portions have a minimum distance of 5 to 15 mm; a lighting device lightening the arc tube; a cover member which supports the arc tube and in which the lighting device is arranged; and a base supported by the cover member. | 2008-10-02 |
20080238292 | PLASMA DISPLAY PANEL AND METHOD FOR PRODUCING THE SAME - A plasma display panel comprising a front substrate and a back substrate formed opposite each other and bonded to each other at the peripheries, electrodes formed on the front substrate, a dielectric layer formed on the electrodes, a protective layer formed on the dielectric layer, another electrode and another dielectric layer formed on the back substrate, barrier ribs to keep spaces between the front substrate and the back substrate, and fluorescent materials packed in the spaces formed by the barrier ribs, the front substrate, and the back substrate. The barrier ribs include glass at least containing oxide of tungsten, phosphorus, barium, and vanadium. | 2008-10-02 |
20080238293 | Self-Luminous Planar Display Device - A self-luminous planar display device includes a back panel having first electrodes and second electrodes, a face panel with third electrodes on a face substrate, and a sealing frame. The first and second electrodes includes first and second electrode lead terminals pulled out to an outside, and a bent portion is formed on a portion of one of or both the first and second electrode lead terminals. Assuming a distance between the bent portion and the sealing frame as L | 2008-10-02 |
20080238294 | MIST FABRICATION OF QUANTUM DOT DEVICES - An example quantum dot (QD) device comprises a QD layer on a substrate, and may be fabricated by aerosol deposition, for example by mist deposition. An example approach includes providing a liquid precursor including QDs dispersed in a liquid carrier, generating a mist of droplets of the liquid precursor, directing the droplets towards the substrate so as to form a liquid precursor film on the substrate, and removing the liquid carrier from the liquid precursor film to form the quantum dot layer on the substrate. Example devices include multi-color QD-LED (light emitting diode) displays, and other devices. | 2008-10-02 |
20080238295 | ELECTROLUMINESCENT DEVICE, METHOD OF MANUFACTURING THE DEVICE, ELECTRONIC DEVICE, THIN-FILM STRUCTURE, AND METHOD OF FORMING THIN FILM - An electroluminescent device includes a substrate having a bank-forming face on one surface thereof, a bank formed on the bank-forming face, and a thin-film layer constituting an electroluminescent element at a region surrounded by the bank. The thin-film layer is formed by filling the region surrounded by the bank with a thin-film material liquid and solidifying the liquid. The bank-forming face and a contact face with the thin-film layer have curved surfaces so that the central portions thereof are convexed toward the substrate side. | 2008-10-02 |
20080238296 | ELECTRON-EMITTING DEVICE AND DISPLAY APPARATUS - An electron-emitting device includes a first electrode; an insulating film that is disposed on the first electrode, includes at least one step in an upper surface thereof, and includes a first surface on a lower step portion of the step and a second surface on an upper step portion of the step; a second electrode that is disposed on the first surface at a distance apart from the step; and a third electrode that is disposed on the second surface at a distance apart from the step. | 2008-10-02 |
20080238297 | ORGANIC EL DISPLAY AND METHOD OF MANUFACTURING THE SAME - An organic EL display includes an array of electrodes including first and second electrodes, a counter electrode, and an organic layer including a first emitting layer interposed between the array of electrodes and the counter electrode and a second emitting layer interposed between the first emitting layer and the counter electrode. Each of the first and second emitting layers is a continuous layer extending over a display region. Portions of a laminate including the array of electrodes, the organic layer and the counter electrode that correspond to the first and second electrodes form first and second organic EL elements different in luminous colors from each other. | 2008-10-02 |
20080238298 | IMAGE DISPLAY DEVICE - An image display device is provided, which includes a first substrate having a cold-cathode electron-emission element which emits electrons, and a second substrate which is spaced from and opposed to the first substrate. The second substrate has a transparent substrate, a light-emitting layer provided on the transparent substrate and including phosphor particles containing zinc sulfide as a base material, a boron nitride film disposed on a surface of the light-emitting layer, and an anode applying a voltage to the light-emitting layer. | 2008-10-02 |
20080238299 | NANODOT ELECTROLUMINESCENT DIODE OF TANDEM STRUCTURE AND METHOD FOR FABRICATING THE SAME - A nanodot electroluminescent diode is disclosed. The nanodot electroluminescent diode comprises a lower electrode, an upper electrode, and unit cells interposed between the electrodes, wherein the unit cells comprise a quantum dot electroluminescent layer and also include an organic layer and/or an inorganic layer in addition to the quantum dot electroluminescent layer. The disclosed nanodot electroluminescent diode provides high efficiency, stability, and high luminance, and mixed colors, multi-colors, full color, and white electroluminescence can be obtained. | 2008-10-02 |
20080238300 | Organic electroluminescence device and method for fabricating the same - Disclosed herein are an organic electroluminescent (EL) device comprising a hole transport layer (HTL) and a method for fabricating the same. The organic electroluminescent (EL) device comprises a stack in which a light-emitting layer and a hole transport layer are interposed between an anode and a cathode, wherein the hole transport layer is made of a mixture of at least two materials, and wherein the mixture is selected from a mixture of an organic compound and one or more other organic compounds, a mixture of a metal or inorganic compound and one or more other metal or inorganic compounds, and a mixture of one or more organic compounds and one or more metal or inorganic compounds. | 2008-10-02 |
20080238301 | ORGANIC ELECTRO LUMINESCENCE DEVICE AND METHOD OF FABRICATING THE SAME - An organic electro luminescence device includes a light emission unit disposed on a substrate and a passivation film including a plurality of organic films and a plurality of inorganic films, the plurality of organic films and the plurality of inorganic films are alternately stacked to cover the light emission unit on the substrate, wherein a side of the passivation film disposed between an edge of the substrate and an edge of the light emission unit is gradually thinner from the edge of the light emission unit towards the edge of the substrate. | 2008-10-02 |
20080238302 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A display device includes a display panel including an organic light emitting diode, a sealing metal foil covering a side of the display panel on which the organic light emitting diode is disposed, and a sealant between the display panel and the sealing metal foil. | 2008-10-02 |
20080238303 | ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING DESICANT LAYER AND METHOD OF MANUFACTURING THE SAME - An organic light emitting display device includes: an organic light emitting pixel unit having a first electrode, an organic light emitting layer, and a second electrode, formed on a substrate; where a first anti-moisture protective layer is formed on the upper surface of the second electrode; and a second anti-moisture protective layer is formed on the upper surface of the first protective layer, where the second protective layer includes desiccant particles of diameters including a predetermined maximum diameter and where the first protective layer is substantially devoid of desiccant particles having the predetermined maximum diameter or larger, and the first protective layer has a thickness substantially greater than the predetermined maximum diameter. | 2008-10-02 |
20080238304 | ELECTRO-OPTICAL LUMINOUS MEANS COMPRISING ORGANIC LIGHT-EMITTING MATERIAL - The temperature dependence of the most important characteristics of OLEDs ( | 2008-10-02 |
20080238305 | WHITE LIGHT EMITTING ORGANIC ELECTROLUMINESCENT ELEMENT AND LIGHTING DEVICE - A white light-emitting organic electroluminescent element is disclosed, containing a substrate having thereon: an anode; a cathode; and a plurality of light emitting layers between the anode and the cathode, wherein the plurality of light emitting layers contains: a first light emitting layer which emits a light having a predetermined wavelength; a second light emitting layer which is located at a nearer position to the anode than the first light emitting layer and emits a light having a complementary color to the light having the predetermined wavelength; and a third light emitting layer which is located at a nearer position to the cathode than the first light emitting layer and emits the light having the complementary color to the light having the predetermined wavelength. | 2008-10-02 |
20080238306 | DISPLAY DEVICE MANUFACTURING METHOD AND DISPLAY DEVICE PRODUCED THEREBY - A display device manufacturing method including arraying pixels | 2008-10-02 |
20080238307 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence element is disclosed, which includes at least one organic compound layer including a light-emitting layer between a pair of electrodes, wherein the light-emitting layer contains a host material, a light-emitting material and a phosphine oxide compound. An organic electroluminescence element exhibiting high light-emission efficiency and having excellent drive durability is provided. | 2008-10-02 |
20080238308 | Method and Apparatus for Light Emission Utilizing an OLED with a Microcavity - Provided is an OLED device and method of making the OLED device. According to an embodiment, the OLED device incorporates a microcavity structure including a dielectric mirror formed on a glass substrate, an anode formed above the dielectric mirror, an organic film layer formed above the anode, and a reflective electrode formed above the organic film layer such that the cavity is formed in the organic film layer by the dielectric mirror and the reflective electrode. The OLED device with microcavity structure can incorporate one or more phosphors deposited on an underside of the glass substrate such that light of additional wavelengths can be generated by the OLED device. | 2008-10-02 |
20080238309 | Emission layer and organic light emitting diode using the same - An emission layer of an organic light emitting diode (OLED) for emitting a white light includes a host material, a first luminescent dopant, and a second luminescent dopant. The host material has a peak emission wavelength of about 300 nm to about 530 nm. The first luminescent dopant has a peak emission wavelength of about 300 nm to about 530 nm. The second luminescent dopant has a peak emission wavelength of about 530 nm to about 720 nm. | 2008-10-02 |
20080238310 | OLED with improved light outcoupling - An OLED may include regions of a mineral having a refractive index less than that of the substrate, allowing for emitted light in a waveguide mode to be extracted into air. These regions can be placed adjacent to the emissive regions of an OLED in a direction parallel to the electrodes. The substrate may also be given a nonstandard shape to further improve the conversion of waveguide mode and/or glass mode light to air mode. The outcoupling efficiency of such a device may be up to two to three times the efficiency of a standard OLED. | 2008-10-02 |
20080238311 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting display device and a method of fabricating the same are disclosed. One embodiment includes an organic light emitting display device including an anode, an organic light emitting layer, and a cathode on a substrate, an encapsulation member protecting the organic light emitting display device, a first sealant bonding the substrate and the encapsulation member together, and a second sealant formed of a frit glass to adhere to a periphery of the first sealant. | 2008-10-02 |
20080238312 | Plasma display panel - A plasma display panel (PDP) includes a first substrate and a second substrate facing each other, an upper dielectric layer on the first substrate, a plurality of discharge electrodes between the first and second substrates, and a plurality of barrier ribs to define a plurality of discharge cells between the first and second substrates, each of the barrier ribs having a first portion and a central portion, the first portion having a width different than a width of the central portion, and each of the barrier ribs having a complimentary color with respect to a color of the first substrate and/or a color of the upper dielectric layer. | 2008-10-02 |
20080238313 | PLASMA DISPLAY PANEL - A plasma display panel includes: a first substrate and a second substrate facing the first substrate, the first and second substrates defining a discharge space therebetween; and barrier ribs between the first and second substrates and defining non-discharge and discharge regions at the discharge space. The barrier ribs include: first ribs and second ribs adjacent the first ribs, the first and second ribs defining the non-discharge regions; third ribs adjacent the second ribs, the second and third ribs defining first discharge regions of the discharge regions, the first regions being adjacent the non-discharge regions, and the third ribs having a width different from that of the second ribs; and fourth ribs adjacent the first ribs, the first and fourth ribs defining second discharge regions of the discharge regions, the second regions being adjacent the non-discharge regions, and the fourth ribs having a width different from that of the first ribs. | 2008-10-02 |
20080238314 | PLASMA DISPLAY PANEL - A plasma display panel capable of reducing (or preventing) image quality deterioration due to light transmission of a rear substrate. In one embodiment, a plasma display panel has a discharge space and includes a front substrate module, a rear substrate module opposing the front substrate module, and a barrier rib between the front substrate module and the rear substrate module. Here, the rear substrate module includes a rear substrate; an electrode on the rear substrate; a rear dielectric layer on the electrode; a dielectric adding layer on the rear dielectric layer and including a material having a different light transmission property than the rear dielectric layer; and a phosphor layer on the dielectric adding layer and the barrier rib and facing the discharge space. | 2008-10-02 |
20080238315 | PLASMA DISPLAY PANEL - To prevent occurrence of abnormal discharge which would reduce the quality of images in a PDP. At least one of an address electrode, a bus electrode, a bus main electrode, and a black electrode of a display electrode formed on a substrate is formed of metal particles and high-resistance glass to dissipate charge accumulated on a dielectric through the high-resistance glass and to prevent charging in a glass component itself, thereby reducing abnormal discharge. The high-resistance glass is preferably realized by vanadium phosphate glass containing vanadium, phosphorus, antimony, and barium. The metal particles desirably contain flaky particles. | 2008-10-02 |
20080238316 | PLASMA DISPALY PANEL AND MANUFACTURING METHOD OF THE SAME - The purpose of the present invention is to provide a plasma display panel containing black colored parts which have high resistant against degradation in blackness or peeling by high-temperature oxidation. The present invention provides a plasma display panel comprises: a front substrate and a rear substrate, edge portions of which are adhered to each other, the both substrates being provided opposite to each other; an electrode provided on the front substrate, a dielectric layer provided on the electrode; a protective layer provided on the dielectric layer; a black compound layer having an opening on the protective layer; an electrode and a dielectric layer provided on the rear substrate; a barrier rib holding a gap between the front substrate and the rear substrate; and a phosphor filled in a space formed by the barrier rib, wherein the black compound layer is formed on the front substrate side seen from the barrier rib, wherein the black compound layer comprises a mixture of a ceramics filler and a glass, and wherein the glass comprises a phosphate glass containing a transition metal element. | 2008-10-02 |
20080238317 | OPTICAL SHEET FOR PLASMA DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - Disclosed are an optical sheet for a plasma display panel, a method for manufacturing the same and a plasma display panel employing the same. More particularly, provided are an optical sheet for a plasma display panel to improve a contrast ratio and a method for manufacturing the same. The optical sheet for a plasma display panel comprises a transparent substrate, a plurality of light-transmitting structures arranged on the transparent substrate, a reflective film arranged on the side of each of the light-transmitting structures, a black matrix arranged on the reflective film, and a cover part arranged on the black matrix. | 2008-10-02 |
20080238318 | PHOTOSENSITIVE PASTE COMPOSITION, BARRIER RIB PREPARED USING THE COMPOSITION AND PLASMA DISPLAY PANEL COMPRISING THE BARRIER RIB - Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) prepared using the same, and PDPs including the barrier ribs are provided. The photosensitive paste composition includes an organic-inorganic complex sol and an inorganic material, wherein the average refractive index (N | 2008-10-02 |
20080238319 | Method for Forming Barrier Ribs of Plasma Display Panel - The present invention forms barrier ribs by using a glass sheet so that it becomes possible to reduce the cost of forming the barrier ribs, and to easily form the barrier ribs and electrodes. A dry film, which is fired to be formed into a dielectric layer, is formed on a substrate, a glass sheet having a thickness corresponding to a height of barrier ribs to be formed is secured onto the dry film, and a resist pattern corresponding to a shape of barrier ribs is formed on the glass sheet so that, by cutting off the glass sheet corresponding to unnecessary portions through sand blasting, the glass sheet is formed into the shape of barrier ribs, and the dry film is fired at a temperature lower than softening points of the substrate and the glass sheet so that the substrate and the glass sheet are anchored by the dielectric layer corresponding to the fired dry film; thus, the barrier ribs are formed. | 2008-10-02 |
20080238320 | PLASMA DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A plasma display panel (PDP) and a method of manufacturing the same are provided. The PDP includes a substrate; a dielectric layer formed on the substrate; and a barrier rib disposed to contact the dielectric layer, wherein the dielectric layer or the barrier rib comprises a first material or a second material according to a concentration gradient, the first material and the second material respectively having a low etching selectivity and a high etching selectivity with respect to a predetermined etching solution. According to the method, adhesive strength at the interface between the dielectric layer and the barrier rib can be improved. | 2008-10-02 |
20080238321 | Temperature reduction for top pinch of arc lamp - An arc lamp apparatus is disclosed, which may include a base comprising a plurality of electrical connections, and a vessel. The vessel may include a plurality of electrodes, a gas filled bulb, and a plurality of pinches. An electrical arc that emits radiation may be formed within the plurality of electrodes. A first pinch may contain a first electrode of the plurality of electrodes. A second pinch may be fixed perpendicular to the base. The second pinch may contain a second electrode not fixed to the base. The second electrode may be connected to an external electrode connecting lead that routes in proximity to the gas filled bulb. The external electrode connecting lead may be shrouded by a reflective material. | 2008-10-02 |
20080238322 | Structural unit for an electric lamp with an outer bulb - The structural unit for an electric lamp, with an elongated, ceramic inner bulb, with a central part, is closed at two sides by capillaries, the inner bulb having a lamp axis, and a luminous means being accommodated in the inner bulb, the inner bulb being surrounded by an outer bulb, and the outer bulb having two ends, which are joined directly to the capillaries of the discharge vessel via in each case one joining means. | 2008-10-02 |
20080238323 | LED lighting assembly and lamp utilizing same - An LED lighting assembly including a plurality of individual LEDs mounted on a common, bendable heat sinking member designed to remove heat from the LEDs during operation and also to be formed (bent) to provide the desired light direction and intensity. Several such assemblies may be used within an LED lamp, as also provided herein. The lamp is ideal for use within medical and dental environments to assure optimal light onto a patient located at a specified distance from the lamp. | 2008-10-02 |
20080238324 | VEHICULAR LAMP LIGHTING CIRCUIT - A vehicular lamp lighting circuit includes a control unit configured to control an electric current that flows to a light source unit. The control unit has an electric current supply section configured to output the electric current to the light source unit, a switching controller configured to compare, with a reference voltage, and to control, by switching, the electric current that is outputted from the electric current supply section, an output current detection section configured to detect the electric current that flows into the light source unit, and a voltage transform circuit configured to transform an electric potential difference that arises from the electric current that flows into the output current detection section into a difference voltage and to output the difference voltage thus converted to the switching controller. | 2008-10-02 |
20080238325 | Advanced Multipurpose Pseudospark Switch - The present invention provides a pseudospark switch that overcomes the aforementioned limitations of existing pseudospark switches and proved e-beams for applications such as FELs, pulsed lasers, X-ray machines, and radar. The improvement in e-beam quality is obtained by inductively ionizing gas inside the hollow cathode chamber (HCC), prior to main gap breadkown using a HCC that incorporates a spiral induction coil. The gas in the hollow cathode chamber is ionized by the discharge of an auxiliary capacitor bank through the spiral coil that forms the back surface of the HCC. | 2008-10-02 |
20080238326 | ION ACCELERATION COLUMN CONNECTION MECHANISM WITH INTEGRATED SHIELDING ELECTRODE AND RELATED METHODS - Ion accelerating devices including connection mechanisms with integrated shielding electrode and related methods are disclosed. According to an embodiment, an ion accelerating device of an ion implantation system comprises: a first element; a first connection system within the first element, the first connection system including a first connector and a first encapsulated shielding electrode around the first connector; and a second connection system within a second element other than the first element, the second connection system being coupled to the first connector; wherein the first encapsulated shielding electrode includes a first shielding portion adjacent to a first interface surface of the first element where the second connection system interfaces with the first element, in a cross-sectional view, the first shielding portion being substantially U-shaped. | 2008-10-02 |
20080238327 | AMOLED DRIVE CIRCUIT USING TRANSIENT CURRENT FEEDBACK AND ACTIVE MATRIX DRIVING METHOD USING THE SAME - Disclosed herein is an Active Matrix Organic Light-Emitting-Diode (AMOLED) drive circuit using transient current feedback. The AMOLED drive circuit includes a current Digital-to-Analog Converter (DAC), a data line drive transistor, a constant current source, a variable current source, a differential amplifier, and a transient charging current control unit. The DAC generates current corresponding to input digital data. The data line drive transistor is configured such that the drain terminal thereof is connected to the output node of the current DAC. The constant current source is connected between the source terminal of the data line drive transistor and a ground. The variable current source is connected between both the output node of the current DAC and the drain terminal of the drive transistor, and a voltage source. The differential amplifier is configured to input the output voltage thereof to the gate terminal of the drive transistor. The transient charging current control unit is configured to increase or decrease the bias current of the variable current source depending on variation in the voltage of the output node of the current DAC. | 2008-10-02 |
20080238328 | LIGHT EMITTING PIXEL AND APPARATUS FOR DRIVING THE SAME - A light emitting pixel includes a first organic light emitting diode (OLED) and a capacitor supplying to the first OLED current generated by an electric charge corresponding to a difference between a first voltage supplied to a first electrode of the capacitor and a second voltage supplied to a second electrode of the capacitor. The light emitting pixel further include a second OLED to supply the first voltage to the first electrode. The light emitting pixel further includes a voltage supply device to supply the first voltage to the first electrode in response to the second voltage. | 2008-10-02 |
20080238329 | Plasma display device and driving method thereof - A plasma display device and driving method thereof are disclosed. In the plasma display device, a wall charge state of each cell is initialized after forming a wall voltage between respective sustain electrodes by gradually decreasing a voltage of the sustain electrodes. In addition, in a sustain period, a high level sustain discharge pulse having a positive voltage and a low level sustain discharge pulse having a negative voltage are applied to the sustain electrode while maintaining a voltage of a scan electrode at a ground voltage. In this way, a maximum voltage applied to a scan electrode driver that applies the driving waveform to the scan electrode is decreased. In addition, a sustain discharge pulse is applied only to the sustain electrode, which is a common electrode, and therefore the driving waveform between each cell can be prevented from being distorted in the sustain period. | 2008-10-02 |
20080238330 | LIGHT EMITTING ELEMENT DRIVING CIRCUIT - A light emitting element driving circuit, which can achieve accurate/high-speed operation even at low voltage supply voltage, comprises: driving current supply, connected to light emitting element in series between first and second power supplies, to supply driving current to the light emitting element according to the voltage of control terminal; current determiner to determine and output the current according to an output light amount of the light emitting element; current/voltage converter to convert the determined current into voltage and output it to the control terminal of the driving current supply if control signal is in a first state, and to electrically shield its output voltage terminal from the control terminal of the driving current supply if the control signal is in a second state; and resetter to connect the control terminal of the driving current supply to the second power supply if the control signal is in the second state. | 2008-10-02 |
20080238331 | ENERGY SAVING POWER SUPPLY CIRCUIT - A power supply circuit includes a power supply input for receiving power from a power supply, a power supply output for supplying power to a load, a voltage reference circuit, and a switch circuit. The voltage reference circuit is connected between the power supply input and the power supply output for regulating voltage of the power supply circuit. The switch circuit is connected to the voltage reference circuit and the power supply output. The voltage reference circuit supplies regulated voltage to the switch circuit. The switch circuit controls current between the power supply input and the power supply output to be changed alternately at a certain frequency, thereby changing power output to the load to save electricity. | 2008-10-02 |
20080238332 | SYSTEM AND METHOD FOR CONTROLLING VOLTAGE ON DISCHARGE CAPACITORS WHICH CONTROL LIGHT ENERGY FROM FLASH LAMPS - A system and method are described for controlling voltage on discharge capacitors which control light energy from flash lamps, wherein the method includes measuring over time an operational behavior of a flash lamp for performing photothermolysis, wherein a discharge capacitor transfers energy to the flash lamp, empirically deriving a behavior of the flash lamp as a function of operation over time, and using the empirically derived behavior of the flash lamp to control a voltage of the discharge capacitor and thus energy transferred to the flash lamp. | 2008-10-02 |
20080238333 | Inverter, Backlight Assembly Having the Same and Display Apparatus Having the Same - A display apparatus includes a display panel and a backlight assembly including a lamp and an inverter. The inverter includes a main transformer, a main driver and a voltage controller. The main transformer applies a driving alternating current (AC) voltage to the lamp. The main driver generates an output signal controlling the main transformer based on a feedback signal from the main transformer. The voltage controller is electrically connected to a feedback terminal of the main driver to control a maximum level of a voltage applied to the feedback terminal. | 2008-10-02 |
20080238334 | HID LAMP BALLAST CIRCUIT - A ballast circuit operable to drive a high intensity discharge lamp in accordance with an embodiment of the present applications includes an energy conversion circuit operable to convert an input voltage into a bus voltage and to provide the bus voltage to a DC bus, a first half bridge connected across the DC bus and operable to control an output voltage supplied to the lamp, a control circuit operable to control the half bridge such that a desired output voltage is provided to the lamp, a series inductor connected in series between the half bridge and the lamp; and a parallel capacitor resistor connected across the lamp. The control circuit operates the half bridge at a high frequency for a set period of time such that a high voltage is built up across the parallel resistor, and then reduces the frequency of the half bridge until it approaches a resonance frequency which ignites the lamp. | 2008-10-02 |
20080238335 | Light Source Having a Plurality of White LEDs with Different Output Spectra - A solid state light source having first and second component light sources and an interface circuit and a method for making the same are disclosed. The first and second component light sources emit light having first and second color points on different sides of the black body radiation curve. The first and second component light sources include LEDs that emit light of a first wavelength and a layer of a light converting material that converts a portion of that light to light of a second wavelength. The interface circuit powers the first and second component light sources such that the solid state light source has a color point that is closer to the black body radiation curve than either the first or second color points. A third component light source can be included to expand the range of white color temperatures that can be reached by the light source. | 2008-10-02 |
20080238336 | Back-Light Devices and Displays Incorporating Same - A back-light arrangement for providing back-light to a display panel such as a liquid crystal video display panel, includes a plurality of light emitting devices arranged and distributed for providing back-light to the display panel, and electronic circuitry arranged for driving the plurality of light emitting devices to produce the back-light. The electronic circuitry contains a plurality of drivers, each of which is arranged to individually drive a corresponding one of the plurality of light emitting devices to emit light upon receipt of an actuating signal. A controller is arranged to multiplex an intensity signal to each one of the plurality of drivers for individually driving each one of the plurality of light emitting devices. | 2008-10-02 |
20080238337 | ARCHITECTURE FOR DRIVING MULTIPLE LOADS AT CONSTANT CURRENT - A circuit for driving an array of Light Emitting Diode (LED) strings at a constant current has a plurality of LEDs. A plurality of LED drivers is provided wherein a single LED driver is coupled to each of the plurality of LEDs. A voltage reference generator is used for sending a voltage reference signal to each LED driver. The voltage reference generator is external to each of the plurality of LED drivers. An input line voltage is coupled to the voltage reference generator. A clock generator is provided for sending to a clock signal to each of the plurality of LED drivers. The clock generator is external to each of the plurality of LED drivers. A low-frequency PWM dimming input signal is coupled to each of the plurality of LED drivers to allows dimming of the LEDs. | 2008-10-02 |
20080238338 | Method and system for providing scalable and configurable illumination - A modular, scalable and configurable incoherent light source is provided. The light source includes an array of lighting modules supported on a frame that focuses emitted radiation from the modules at a region of interest. The geometry and physical configuration of the support structures, including the frame, may accommodate various energy intensities at various distances. The modules may be made up of multiple LEDs or other individual light sources, may be of different or the same wavelength, and may be individually controllable for the ultimate lighting application. The light source may be used in medical imaging applications. | 2008-10-02 |
20080238339 | Method and System for Variable Color Lighting - A method, for controlling color output of a variable color lighting system ( | 2008-10-02 |
20080238340 | METHOD AND APPARATUS FOR SETTING OPERATING CURRENT OF LIGHT EMITTING SEMICONDUCTOR ELEMENT - A method of determining an operating current adjustment for a light emitting semiconductor element in order to generate a predetermined brightness includes applying a test voltage to the light emitting element, determining a corresponding test current through the light emitting element, and determining the operating current adjustment dependent on the determined test current and the applied test voltage. | 2008-10-02 |
20080238341 | Color Control for Dynamic Scanning Backlight - A method of controlling the output of a luminaire by receiving a first target signal associated with a first frame; generating a first light output control signal for an on time portion of the first frame, the light output control signal responsive to the received first target signal; sampling a light output during the on time portion of the first frame, the light output being responsive to the first light output control signal; receiving a second target signal associated with a second frame, the second frame following the first frame; comparing the received second target signal with the sampled light output of the on time portion of the first frame; and generating an error signal responsive to the comparing. | 2008-10-02 |
20080238342 | MICROPROCESSOR-CONTROLLED INSERTABLE FLASHLIGHT ADAPTER DEVICE - An insertable flashlight adapter device for use in an ordinary flashlight having a lamp includes a disc-like shaped housing unit. Electronic circuitry is disposed within the housing unit for selectively operating the flashlight in at least three different modes. The electronic circuitry has a voltage comparator for determining which one of the at least three different modes the flashlight is being operated. The electronic circuitry also has logic and control means for selectively interrupting current to the flashlight lamp so as to cause the at least three different modes of operation. The logic and control means includes a first timer for monitoring a first time interval between mode changes in the voltage comparator and a second timer for monitoring a second time interval between a power-ON and power-OFF state of the flashlight lamp. As a result, the adapter device has eliminated the need of modifications to make an ordinary flashlight operate selectively in the different modes of operation and to maintain the lifespan of the original ON-OFF switch. | 2008-10-02 |
20080238343 | System and Method for Dimming One or More Light Source - A system for dimming one or more light sources includes a first light source that emits a light of a first brightness according to an operating condition of the first light source, a second light source that emits a light of a second brightness according to an operating current of the second light source, wherein the light of the first brightness is different than that of the light of the second brightness, and one or more components that references the operating condition of the first light source, wherein, in response to the referenced operating condition of the first light source, the one or more components modifies the operating current of the second light source to substantially match the light of the second brightness to the light of the first brightness. A method for dimming one or more light sources is also disclosed. | 2008-10-02 |
20080238344 | Light Emitting Apparatus - A light emitting apparatus includes a light source block with semiconductor light sources connected in series to each other. A resistor is connected in parallel with one or more of the semiconductor light sources and is connected to two detecting target portions in portions linked to respective electrodes of the semiconductor light sources. A ground fault detecting circuit is connected to one of the two detecting target portions disposed on a ground potential side. The light source block has one of its terminals connected to a power supply and its other terminal grounded. By detecting a change in the voltage through the ground fault detecting circuit, a ground fault can be detected. | 2008-10-02 |
20080238345 | SYSTEMS AND METHODS FOR ORNAMENTAL VARIABLE INTENSITY LIGHTING DISPLAYS - A device and method for illuminating an electrically powered decorative lighting system with a plurality of individual light elements that can be positioned in or on surrounding plants, windows, or other display areas to simulate fireflies. The plurality of light emitting elements, such as LEDs or fiber optic cables, are arrangable with mounting devices or can be suspended or attached to any surrounding structure to provide an ornamental lighting effects. Electrical power is provided with rechargeable batteries charged with a solar panel. One preferred embodiment uses insulation-displacement connectors and an insulation-displacement connector ribbon cable to attach the light emitters to a microprocessor control which creates unique and varied timing patterns for the various light emitters to simulate fireflies. | 2008-10-02 |
20080238346 | Substrate Splitting Apparatus and a Method for Splitting a Substrate - A substrate splitting apparatus and a method for splitting a substrate using the substrate splitting apparatus are provided. The substrate splitting apparatus includes a servo motor, a transmission device, a substrate breaking bar, and a stage. One end of the transmission is directly or indirectly coupled to the servo motor while the other end is coupled with the breaking bar. The stage has a load-lock surface and the load-lock surface faces the breaking bar. The servo motor drives the transmission device to move the breaking bar toward the load-lock surface. A substrate with a pre-crack on the bottom is disposed on the load-lock surface. The servo motor drives the substrate breaking bar to move towards or away from the pre-crack. The method of splitting includes the following steps: forming a pre-crack on the substrate; controlling the servo motor to drive the breaking bar to move towards the substrate; and controlling the breaking bar to press the substrate at the pre-crack. | 2008-10-02 |