12th week of 2013 patent applcation highlights part 29 |
Patent application number | Title | Published |
20130070429 | INTEGRATED VOLTAGE DIVIDER - A semiconductor structure including a high-voltage transistor; voltage dropping circuitry, at least part of which is overlapping the high-voltage transistor; at least one intermediate contact point to the voltage dropping circuitry, connected to at least one intermediate position between a first and a second end of the voltage dropping circuitry; and at least one external connection connecting the at least one intermediate contact point to outside of the semiconductor structure. | 2013-03-21 |
20130070430 | DISPLAY DEVICE - A display device includes: circuit board | 2013-03-21 |
20130070431 | DISPLAY, ELECTRONIC UNIT, AND SUPPORTING SUBSTRATE - There are provided a display and an electronic unit that realize excellent operability when display content is switched based on a user operation associated with a variation in a physical form, and a supporting substrate employed in such a display. The display includes: a supporting substrate having flexibility; and a display section provided on the supporting substrate. The flexibility of the supporting substrate gradually increases toward an edge in a first region provided at at least a portion on a side of the edge in a plane thereof. | 2013-03-21 |
20130070432 | Seal Structure for Electronic Control Device - A seal structure for an electronic control device having a circuit board housed in a watertight space a housing that is formed by fitting a plurality of fitting members together, has first and second seal portions which are formed at a fitting surface portion between the fitting members that are fitted together. One side of a pair of the fitting members of each of the first and second seal portions is provided with a seal groove, the other side is provided with a protruding line. An auxiliary seal groove and an auxiliary protruding line are formed on opposing surfaces of the seal groove and the protruding line at a merged part where the first and second seal portions meet each other. The auxiliary seal groove and the auxiliary protruding line continuously extend from the seal groove up to an end surface of the protruding line. | 2013-03-21 |
20130070433 | IN-VEHICLE ELECTRONIC DEVICE - An in-vehicle electronic device includes a circuit board in which a preamplifier circuit, and the like are provided, and a holding case, which stores the circuit board. The holding case is configured by combining a lower case which is fixed to a glass surface in which an antenna radiation conductor is arranged, and an upper case which is detachably mounted on the lower case so as to cover the lower case, so that a connection terminal held in the lower case is brought into press-contact with an electrode of the circuit board. When the upper case is removed from the lower case, an elastic piece is bent by pushing a tip of a protruded portion to a base end side, or a snap claw is separated from a locking hole by inserting a tool such as a driver, in between a tongue piece and the elastic piece. | 2013-03-21 |
20130070434 | DYE-BASED CIRCUIT MOUNT TESTING - An apparatus may include a housing forming an enclosure having an edge seatable on a printed circuit board (PCB). The enclosure edge may include an edge portion. The housing may be configured to transfer a force applied to the housing to a surface mount component mounted on the PCB to dismount the surface mount component. The apparatus may include a dye inlet formed by the housing and configured to conduct a dye into the enclosure. Another apparatus may include at least one gasket mounted to the enclosure edge to contact the major surface of the PCB adjacent to the surface mount component for forming a seal with the PCB. A method may include enclosing a surface mount component in an enclosure formed in a nozzle apparatus, introducing a dye into the enclosure, and applying a force to the nozzle apparatus to dismount the surface mount component. | 2013-03-21 |
20130070435 | POWER CONNECTOR AND MOTHERBOARD USING THE SAME - A power connector for mounting on a circuit board is provided. The power connector includes a case and several sets of pins. A set of pins includes several pins. Each one of one set of pins includes an embedded end, a median portion, and a distal end, where the embedded end protrudes from one side of the case, the median portion is angled from the embedded end; and the distal end is angled from the media portion and fixed to the circuit board. A part of the power connector case projects outside an edge of the circuit board. | 2013-03-21 |
20130070436 | SYSTEMS AND METHODS FOR HIGH ASPECT RATIO FLIP-CHIP INTERCONNECTS - Interconnect and/or reflow methods of the present disclosure achieve high aspect ratio interconnects, for example interconnects having an aspect ratio as high as 4, in addition to wider interconnect height tolerances among interconnects (for example, interconnects having a height variability of up to about 30%) while still achieving reliable electrical connections. Moreover, flip-chip interconnects configured in accordance with principles of the present disclosure can provide improved z-axis spacing between die-to-die and/or die-to-substrate flip chip stacks, for example z-axis spacing as large as 600 μm. In this manner, additional spacing can be achieved for MEMS devices and/or similar components that are extendable and/or deformable out of the die plane. | 2013-03-21 |
20130070437 | HYBRID INTERPOSER - An interconnection component includes a low coefficient of thermal expansion (“CTE”) element having first and second surfaces defining a thickness, the element consisting essentially of a material having a first CTE of less than 10 parts per million per degree Celsius, the element having a plurality of contacts exposed at a first surface thereof. The component further includes a circuit panel having a dielectric element with first and second surfaces defining a thickness and a plurality of terminals exposed at the first surface, the circuit panel having a thickness greater than 50% of the thickness of the low-CTE element. A bonding layer including a dielectric material bonds the second surfaces of the circuit panel and the low CTE element to one another. Metalized vias are electrically connected with the terminals and the contacts, at least some vias extending through the bonding layer and through the thickness of the low-CTE element. | 2013-03-21 |
20130070438 | INTEGRATED CIRCUIT PACKAGING SYSTEM WITH INTERPOSER AND METHOD OF MANUFACTURE THEREOF - A method of manufacture of an integrated circuit packaging system includes: providing a substrate; mounting an interposer having a top interposer surface over the substrate; attaching an interposer pad extension to the top interposer surface, the interposer pad extension having an extension contact surface and a lower contact surface, the surface area of the extension contact surface being smaller than the surface area of the lower contact surface; and forming a package encapsulation on the substrate, the interposer, and the interposer pad extension, the package encapsulation having a recess exposing the top interposer surface, the interposer pad extension embedded only in the package encapsulation. | 2013-03-21 |
20130070439 | COLOR CONVERSION OCCLUSION AND ASSOCIATED METHODS - A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure as it is directed in the desired output direction. | 2013-03-21 |
20130070440 | OLED Light Panel in Combination with a Gobo - A first device is provided. The first device may include a first light source comprising one or more organic light emitting devices and a gobo that is optically coupled to the first light source. The gobo may allow differential transmission of light emitted by different parts of the first light source so as to create a fixed variation in the light emitted by the first device. | 2013-03-21 |
20130070441 | LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM INCLUDING THE SAME - Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode. | 2013-03-21 |
20130070442 | LIGHTING DEVICE - A lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element being at least twice as large as the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element surface being at least twice as large as and substantially parallel to the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface area of a projection of the luminescent element being at least twice as large as a surface area of a projection of the light emitter. | 2013-03-21 |
20130070443 | DOWN CONVERSION - The present invention relates inter alia to an array comprising i times j array elements, wherein the array elements may comprise at least one quantum dot and/or at least one photoluminescent compound. Further the present invention relates to devices comprising these arrays. The arrays and devices can be used to generate white light with high color purity. | 2013-03-21 |
20130070444 | CONTROL METHOD FOR BACKLIGHT OF AN INPUT DEVICE AND DEVICE THEREOF - By controlling brightness and/or a color output of a backlight of the computer input device in response to the input frequency and/or the number of keys being pressed simultaneously, the user can sense feedback according to the user's input performance. | 2013-03-21 |
20130070445 | MICRO-OPTICAL SWITCHING DEVICE, IMAGE DISPLAY APPARATUS INCLUDING MICRO-OPTICAL SWITCHING DEVICE, AND METHOD OF MANUFACTURING MICRO-OPTICAL SWITCHING DEVICE - A micro-optical switching device, an image display apparatus including the micro-optical switching device, and a method of manufacturing the micro-optical switching device are provided. The micro-optical switching device includes a substrate; a first electrode disposed on the substrate and including a first opening array, wherein the first opening array includes a plurality of openings; and a second electrode disposed spaced apart from the first electrode and including a second opening array including a plurality of openings, wherein the plurality of openings of the second opening array do not overlap with the plurality of openings of the first opening array. | 2013-03-21 |
20130070446 | SOLAR CANDLE LIGHT INSERT MODULE - A decorative lighting device that provides a solar powered light insert module that is adaptable to a wide variety of tubular decorative lightshades. More specifically, the solar powered lighting insert of the present invention provides a solar powered lighting fixture having one or more light emitting diodes, which flicker so as to emulate the light of a candle flame. The housing is designed so as to be slideably coupled with a. wide variety of decorative votive candle lightshades. | 2013-03-21 |
20130070447 | STAKE WITH ILLUMINATED ORNAMENT - An embodiment may include a stake with an elongated stake body that includes a stake top end, a stake bottom end, and a substantially rectangular portion with a width and a depth. The stake may further include an elongated transparent ornament window disposed within the stake body proximate to the stake top end which includes a portion extending at least the width and a portion extending less than the depth. The stake may further include an ornament disposed within the ornament window and an elongated illumination passage defined by the stake body that extends though the stake body from the stake top end to the ornament window. The illumination passage may have a portion abutting the ornament window having an area less than the area of the ornament window. | 2013-03-21 |
20130070448 | LED LAMP - There is herein described a lamp for providing white light comprising a plurality of light sources positioned on a substrate. Each of said light sources comprises a blue light emitting diode (LED) and a dome that substantially covers said LED. A first portion of said blue light from said LEDs is transmitted through said domes and a second portion of said blue light is converted into a red light by a first phosphor contained in said domes. A cover is disposed over all of said light sources that transmits at least a portion of said red and blue light emitted by said light sources. The cover contains a second phosphor that emits a yellow light in response to said blue light. The red, blue and yellow light combining to form the white light and the white light having a color rendering index (CRI) of at least about 80. | 2013-03-21 |
20130070449 | HIGH RECYCLING EFFICIENCY SOLID STATE LIGHT SOURCE DEVICE - A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and a collection system for collecting and outputting large-angle lights (lights farther away from the normal direction). The lights reflected by the light recycling system is scattered by the emitting surface in all directions, where the large-angle scattered lights are collected by the light collection system and the small-angle scattered light is reflected by the light recycling system again. A second excitation light source without wavelength conversion material or a second light source with its own wavelength conversion material may be provided, and the second light is directed to the light emitting surface by appropriate optical components. | 2013-03-21 |
20130070450 | LED LIGHT BULB WITH CONTROLLED COLOR DISTRIBUTION USING QUANTUM DOTS - A liquid-cooled LED bulb including a base and a shell connected to the base forming an enclosed volume. The liquid-cooled LED bulb also includes a plurality of LEDs attached to the base and disposed within the shell. The LED bulb also includes a thermally-conductive liquid held within the enclosed volume and a quantum dot material for adjusting the wavelength of light emitted from LED bulb. | 2013-03-21 |
20130070451 | DISPLAY ASSEMBLY COMPRISING A GLASS-CERAMIC PLATE - Display assembly | 2013-03-21 |
20130070452 | LEAD FRAME, WIRING BOARD, LIGHT EMITTING UNIT, AND ILLUMINATING APPARATUS - Provided is lead frame in which a wiring pattern supported by a support piece inside of a one-pitch outer frame section comprises a plurality of base units, each of which comprises a die pad on which a solid-state light emitting element is mounted, a heat sink extending from die pad so as to surround die pad electrically connected to one electrode of the element, and a lead electrically connected to the other electrode of the element. Lead of one base unit among adjacent base units and heat sink of the other base unit are coupled and electrically connected in series. Increase in temperature of the element is inhibited, light output is increased, and cost of a light emitting unit in which a plurality of solid-state light emitting elements connected in series are used is reduced. Also provided are wiring board, light emitting unit, and illuminating apparatus. | 2013-03-21 |
20130070453 | DISPLAY DEVICE - A display device is provided with a plurality of solid-state light sources ( | 2013-03-21 |
20130070454 | Modular Light Emitting Diode (LED) Lamp - An LED lamp ( | 2013-03-21 |
20130070455 | LED LIGHTING FIXTURE - A method of designing a lighting panel includes the steps of determining a level of lumen output to be achieved from the lighting panel, selecting one or more types of LEDs having a predetermined light intensity and light output angle, calculating the number of LEDs required to achieve the level of lumen output, and arranging the LEDs in an array. The LEDs are oriented such that the light output angle is centered on a light diffuser panel. The LEDs are spaced in the array and spaced from the light diffuser panel such that the light output from LEDs overlaps on the light diffuser panel such that the light transmitted through the diffuser panel appears consistent across the light diffuser panel to the human eye and achieves the determined level of lumen output. | 2013-03-21 |
20130070456 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink which includes a top surface and a member which has a side and is disposed on the top surface; a light source which includes a substrate disposed on the side of the member and light emitting devices disposed on the substrate, and has a reference point; and a cover which is coupled to the heat sink and includes an upper portion and a lower portion, which are divided by an imaginary plane passing through the reference point and being parallel with the top surface of the heat sink, wherein a distance from the reference point of the light source to the upper portion of the cover is larger than a distance from the reference point of the light source to the lower portion of the cover. | 2013-03-21 |
20130070457 | ILLUMINATING DEVICE - According to one embodiment, the illuminating device of the embodiment has a base part and multiple light emitting elements; the illuminating device includes a supporting part, which is arranged on one end of the base part, and which at least partially encloses an internal space. The supporting part also has an outer surface exposed to the ambient atmosphere. The multiple light emitting elements are disposed on the inner surface side of the supporting part so that at least light emitting surfaces of the light emitting elements are in contact with the supporting part. | 2013-03-21 |
20130070458 | HEAT DISSIPATING DEVICE FOR LED BULB AND LED BULB WITH HIGH HEAT DISSIPATION - A heat dissipating device ( | 2013-03-21 |
20130070459 | OPTICAL DEVICES AND METHODS OF CONTROLLING PROPAGATION DIRECTIONS OF LIGHT FROM THE OPTICAL DEVICES - An optical device may include a substrate, a metal layer on the substrate, at least one first nano-structure in the layer, and at least one second nano-structure in the layer. The at least one first nano-structure may include a light source. The at least one first and second nano-structures may be spaced apart. A method of controlling a propagation direction of light output from an optical device that includes a metal layer on a substrate may include disposing first and second nano-structures in the layer; disposing at least one light source in the first nano-structure; and controlling the propagation direction of the light output from the at least one light source by changing at least one of a shape of the first nano-structure, a shape of the second nano-structure, a size of the first nano-structure, a size of the second nano-structure, and an interval between the first and second nano-structures. | 2013-03-21 |
20130070460 | LIGHTING APPARATUS - A lighting apparatus according to an exemplary embodiment includes a light source including a light emitting element, a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source, and a reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body. | 2013-03-21 |
20130070461 | SPECULAR REFLECTOR AND LED LAMPS USING SAME - A specular reflector and LED lamps using embodiments of the reflector are disclosed. Embodiments of the invention provide a reflector for solid state lamps. The reflector can be a specular reflector. The reflector includes a rigid, polymeric substrate and sputtered metal applied to the substrate. In some embodiments, the metal is silver. In some embodiments, the metal is applied without an intervening base coat. In some embodiments, the substrate is made from or includes an aromatic polyester such as polyarylate. The reflector can include a discontinuous or irregular surface yet still exhibit very high overall reflectivity and efficiency because the metal can be applied without an intervening base coat. In some embodiments, the reflector is used in lamps having a retroreflective optical design. | 2013-03-21 |
20130070462 | REFLECTIVE LIGHTING DEVICE - A reflection lighting device comprises a reflective member including a reflective plate and a reflective mirror plate, and a supporting member to support the reflective member. A light-emitting member is provided between the reflective plate and the reflective mirror plate. The other reflection lighting device comprises a reflective member provided with a trough shape, and a double-sided mirror arranged within the reflective member. A light-emitting member is provided within the reflective member. And if the light-emitting member is triangular-prism-shaped, the reflection area of that is larger in the same length or the same weight condition, and the angle of the reflection surface of that is more selective, while comparing to the circular-cylinder-shaped light-emitting member which is commonly used now. Therefore, the efficiency, the intensity, and the range of the illumination increase so that the energy may be more saved. | 2013-03-21 |
20130070463 | OPTICAL SKY-SUN DIFFUSER - An embodiment of a solid optical sky-sun diffuser, which comprises a transparent solid matrix embedding a dispersion of transparent nanoparticles having an average size d in the range 10 nm≦d≦240 nm; wherein: the ratio between the blue and red scattering optical densities γ≡Log [T(450 nm)]/Log [T(630 nm)] of said diffuser falls in the range 5≧γ≧2.5, where T(λ) is the Monochromatic Normalized Collinear Transmittance; in at least one propagation direction, said Monochromatic Normalized Collinear Transmittance is T(450 nm)≧0.4; in at least one propagation direction said Monochromatic Normalized Collinear Transmittance is T(450 nm)≦0.9, said propagation direction being the same or different from that at which said Monochromatic Normalized Collinear Transmittance is T(450 nm)≧0.4. | 2013-03-21 |
20130070464 | LIGHTING APPARATUS - A lighting apparatus includes: an LED module; a heat sink releasing heat generated by the LED module; a cover covering the LED module; a cap; and an insulating member located between the cap and the heat sink. Further provided is a light source supporting body having a locking part locking into the heat sink so as to hold the LED module on the heat sink. The cover has a protruding part fitting and locking into the light source supporting body or the heat sink. In the insulating member, one end side has an inserted part locking into the heat sink, and the other end side has a connection part screwed into the cap. | 2013-03-21 |
20130070465 | HEAT CONDUCTIVE DEVICE FOR A LIGHT-EMITTING DIODE - A heat conductive device for an LED has a heat sink and an LED carrier tightly fitted in the heat sink. The LED carrier has a mounting portion formed on one end thereof and having a first heat-conducting surface formed on a top of the mounting portion, and a heat-conducting portion formed along a perimeter of the mounting portion and having a second heat-conducting surface formed on the periphery of the heat-conducting portion. The first and second heat-conducting surfaces contact the engagement portion of the heat sink so that heat generated by LED operation is conducted to the heat sink through the heat-conducting portion, the first heat-conducting surface and the second heat-conducting surface. With the second heat-conducting surface of the LED carrier, heat can be more efficiently conducted to the heat sink and LEDs can be operated at an adequate operating temperature to prolong their life duration. | 2013-03-21 |
20130070466 | METHOD AND SYSTEM FOR MANUFACTURING AND DEPLOYING HIGHLY EFFICIENT LIGHT EMITTING DIODE AND COMMUNICATIONS TECHNOLOGIES - The present invention relates to the development of a method and system for manufacturing and deploying light emitting diode (“LED”) technology in a highly efficient manner. Devices of the invention include a printed circuit board with a heat sink and at least one LED insertion site and optionally a wireless communication device to control operation of the LED. | 2013-03-21 |
20130070467 | ILLUMINATION DEVICE - An illumination device includes a light emitting panel and a device body to which the light emitting panel is detachably attached. The light emitting panel has a rear surface serving as a first curved surface. The device body has a surface serving as a second curved surface conforming to the first curved surface. An attachment portion for attaching/detaching the light emitting panel to/from the device body to slide along the first curved surface or the second curved surface is provided on one of the rear surface of the light emitting panel facing the device body and surface of the device body facing the light emitting panel. A groove portion for enabling the attachment portion to slide is provided on the other of the rear surface of the light emitting panel facing the device body and the surface of the device body facing the light emitting panel. | 2013-03-21 |
20130070468 | GAS-DISCHARGE LAMP - The invention describes a gas-discharge lamp ( | 2013-03-21 |
20130070469 | VEHICLE LIGHTING DEVICE - The vehicle lighting device includes a heat sink, a light emitting element, a reflection plate, and a light leakage processing plate. The light leakage processing plate is disposed at a peripheral edge part on a side of the first direction of the reflection plate, and is configured so as to scatter light leakage that is not reflected on the reflection plate from among beams of the light from the light emitting element. The light leakage processing plate is disposed so as to have a gap T with respect to the peripheral edge part of the reflection plate, and is configured so as to be extended over the peripheral edge part of the reflection plate on a side of the second direction and on a side of an opposite direction to the second direction. | 2013-03-21 |
20130070470 | DEW CONDENSATION PREVENTING DEVICE OF HEAD LAMP FOR VEHICLE - A dew condensation preventing device of a head lamp for a vehicle may include a housing forming a head lamp for the vehicle and having a lens mounted on a front end portion thereof, and a Phase Change Material (PCM) unit, mounted on the housing, for preventing dew from condensing on the lens when an internal temperature of the head lamp is lowered, thereby improving the merchantable quality and the safety when the vehicle is driving. | 2013-03-21 |
20130070471 | STRUCTURAL HEADLAMP ASSEMBLIES FOR VEHICULAR APPLICATIONS - A vehicle headlamp assembly, comprising a lens, a lamp housing cooperating with the lens to at least partially define a lamp chamber that is generally fluidly isolated from an ambient atmosphere outside the lamp chamber, and at least one lamp provided in the lamp chamber. The lamp housing includes at least one structural member adapted to connect to and bear structural loads applied by one or more adjacent components of a vehicle in which the vehicle headlamp assembly is installed. The assembly may further comprise at least one vehicle component connected to the lamp housing, whereby the lamp housing is capable of bearing structural loads applied by the at least one component. | 2013-03-21 |
20130070472 | REMOTE LIGHT WAVELENGTH CONVERSION DEVICE AND ASSOCIATED METHODS - A remote light wavelength conversion device is provided for converting a source light emitted from a light source within a source wavelength range into a converted light within a converted wavelength range. The remote light wavelength conversion device may include a waveguide and a color conversion optic. The waveguide may include a first end and a second end and the color conversion optic may be adjacently located at the second end of the waveguide. The color conversion optic may convert the source light transmitted through the waveguide to the converted light. | 2013-03-21 |
20130070473 | COMPUTER BEZEL WITH LIGHT-GUIDE STRUCTURE - A computer bezel includes a bezel body, a light-guide structure, and a light source. The light-guide structure includes a guiding portion and a lighting portion. The lighting portion defines an outer surface exposed out of the bezel body. The guiding portion includes a first bottom surface and a first end surface. The lighting portion includes an end portion. The end portion defines a first distal surface. The lighting portion defines a second distal surface, a second bottom surface connected between the first distal surface and the second distal surface, a third distal surface, and a connecting surface connected between the third distal surface and the second distal surface. The guiding portion is configured to guide a plurality of light beams emitted from the light source to the lighting portion to enable the light beams to be refracted from the outer surface so as to be visible to a user. | 2013-03-21 |
20130070474 | COMPUTER BEZEL WITH LIGHT-GUIDE STRUCTURE - A computer bezel includes a bezel body, a light-guide structure mounted to the bezel body, and one or more light sources mounted on the bezel body. The light-guide structure includes a first bottom surface and a first end surface connected to the first bottom surface. The lighting portion includes an outer surface exposed out of the bezel body, a first side surface, and a second bottom surface connected to the guiding portion. A cross section of the light-guide structure is L-shaped taken along a plane substantially parallel to the first end surface. The guiding portion is configured to guide a plurality of light beams emitted from the light source to the lighting portion to enable the plurality of light beams to be refracted from the outer surface so as to be visible to a user. | 2013-03-21 |
20130070475 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit for a liquid crystal display device is provided to prevent a light guide plate or diffusion plate from deforming or displacing. The backlight unit comprises a light source; a plurality of optical sheets disposed between the light source and a liquid crystal display panel; a light guide plate disposed between the light source and the plurality of optical sheets; a cover bottom disposed below the light guide plate; and a guide holder fixed to edges of the cover bottom to hold a lower surface and sides of the light guide plate at peripheral of the light guide plate, wherein the guide holder includes a base block facing to the lower surface of the light guide plate and at least one side wall extended from the base block to be opposite to a side of the light guide plate. | 2013-03-21 |
20130070476 | PLANAR ILLUMINATION APPARATUS - A planar illumination apparatus includes: a light source; a light guide plate having a light-receiving end surface arranged facing the light source, an output flat surface for planarly outputting light received through the light-receiving end surface and a reflective flat surface facing the output flat surface; a reflective sheet disposed on the reflective flat surface side of the light guide plate; and a flexible printed circuit board disposed on substantially the same plane as that of the reflective sheet, the flexible printed board mounting the light source, wherein the flexible printed circuit board has a mounting portion on which the light source is mounted and a thin portion which extends from a forward side edge and is formed thinner than the mounting portion, and wherein at least one part of the thin portion and an end portion of the reflective sheet are overlapped with each other. | 2013-03-21 |
20130070477 | SPREAD ILLUMINATING APPARATUS - An apparatus includes a two-sided prism sheet, and an optical path conversion unit with linear prisms. Each apex angle of the prisms increases the closer the linear prism is formed to the center in the light guide direction, and when a pair of inclined surfaces of each of the prisms has a first inclined surface and a second inclined surface, an inclination angle of the second inclined surface is larger than the one of the first inclined surface. Among the prisms, inclination angles e | 2013-03-21 |
20130070478 | LIGHT DISTRIBUTION CONTROL MEMBER AND ILLUMINATING DEVICE USING THE SAME - There is provided a light distribution control member with a plurality of first prisms that have inclined surfaces of which each edge of a hexagon is a base edge, and a plurality of second prisms that have inclined surfaces of which each edge of a triangle is a base edge. The first prisms are arranged in a houndstooth pattern, and the second prisms are arranged in areas surrounded by three first prisms. | 2013-03-21 |
20130070479 | LINEAR LIGHT SOURCE DEVICE AND PLANAR LIGHT SOURCE DEVICE - A linear light source device comprises a wiring substrate in a rectangular shape and a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, reflectors, each of which includes two parts having slope surfaces on one side and the other side facing each other in the longitudinal direction of each light emitting element, and which are separated from each other on the wiring substrate corresponding to the light emitting elements, respectively; and a sealing resin sealing the light emitting elements by burying a recession portion defined by a surface of the wiring substrate where the light emitting elements are arranged and the two slope surfaces, wherein the two parts of each of reflectors have convex portions on their upper surfaces, respectively. | 2013-03-21 |
20130070480 | ENCAPSULATED LED ARRAY AND EDGE LIGHT GUIDE DEVICE COMPRISING SUCH AN LED ARRAY - This invention relates to structures for mounting LEDs, said structures being suitable for use in the manufacture of light guide devices. This invention also relates to light guide devices comprising said structures and methods of manufacture of the aforementioned. The light guide devices are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. | 2013-03-21 |
20130070481 | LINEAR LIGHT SOURCE APPARATUS - The present invention provides a linear light source apparatus in which warpage is suppressed. The linear light source apparatus includes an elongated rectangular wiring substrate; a plurality of light-emitting devices which are aligned on an imaginary straight line on the wiring substrate; reflectors provided on the wiring substrate such that each reflector corresponds to one light-emitting device; a sealing resin portion which seals each of the light-emitting devices; and a fluorescent material sheet provided on the reflectors. Since the fluorescent material sheet is provided so as to cover the reflectors, stress applied to the wiring substrate, which is caused by thermal shrinkage of the sealing resin portion, can be relaxed, warpage of the linear light source apparatus can be prevented, and color unevenness can be suppressed in light emitted from the linear light source apparatus. | 2013-03-21 |
20130070482 | DISPLAY DEVICE AND BACKLIGHT FOR DISPLAY DEVICE - According to one embodiment, a display device includes a light-guiding body, a light source, a wavelength selection transmission layer, and a light control layer. The light-guiding body has a first major surface, a second major surface opposite to the first major surface, and a side face connecting the first major surface and the second major surface. The wavelength selection transmission layer is provided on the second major surface. The first major surface has a plurality of concave portions having inclined faces inclined relative to the first major surface. A ratio of a total area of the plurality of the concave portions projected on the first major surface, relative to an area of the first major surface is 8% to 25%. The plurality of the concave portions is evenly provided in the first major surface. | 2013-03-21 |
20130070483 | Controlling Method, Power Supply, Power Controller, and Power Controlling Method - A power supply has an inductor and determines loading state of the power supply according to a compensation signal. When the loading state is determined to be a light loading state or a no-loading state, a switch is operated at a low operating frequency. When the loading state is determined to be a heavy loading state, the switch is operated at a high operating frequency. If the compensation signal exceeds a critical value, it is determined that the loading state is an overloaded state. When the overloaded state continues past a tolerable duration, the switch is turned off. The tolerable duration is determined by an external capacitor and is independent of the operating frequency. | 2013-03-21 |
20130070484 | HIGH VOLTAGE GENERATING DEVICE AND IMAGE FORMING APPARATUS - A high voltage generating device includes a control portion configured to raise a voltage output from a transformer to a first voltage by controlling a driving signal generated by a signal generating portion based on a voltage detected by a voltage detecting portion. The control portion raises the voltage with a predetermined rate of change until the voltage detected by the voltage detecting portion reaches a value of a second voltage smaller than a value of the first voltage, and the control portion raises the voltage output from the transformer with a rate of change smaller than the predetermined rate of change after the voltage detected by the voltage detecting portion reaches the value of the second voltage. | 2013-03-21 |
20130070485 | SWITCHING POWER CONVERTER AND CONTROL METHOD THEREOF - A switching power converter with an input terminal configured to receive a first input voltage; an output terminal configured to provide an output current to a load, wherein the output current has a peak value and an average value; a power switch; a first loop coupled to the input terminal, wherein the first loop configured to generate a first output signal based on the first input voltage; a second loop configured to generate a second output signal based on the output current; a multiplier configured to generate a multiplying signal based on multiplying the first output signal with the second output signal; and a driving circuit configured to generate a driving signal based on the multiplying signal to control the power switch, so as to reduce the ratio between the peak value and the average value of the output current. | 2013-03-21 |
20130070486 | CONTROL METHODS AND CONTROLLERS - Control methods and controller thereof for a power supply including a power switch and an inductor. The power switch is turned on to increase the inductor current through the inductor, which is sensed to generate a current-sense signal. The current-sense signal is added up with an adjusting signal to generate a summation signal. The power switch is turned off if the summation signal is higher than a peak limit. The turn-on time of the power switch is detected to update the adjusting signal. | 2013-03-21 |
20130070487 | DRIVE CIRCUIT - A drive circuit drives a normally-on high-side switch Q | 2013-03-21 |
20130070488 | Power Supply Circuit with a Control Terminal for Different Functional Modes of Operation - A method of operation for flyback power converter includes operating a controller of the flyback power converter in a regulation mode when a control signal is below a first threshold. The control signal is provided as an input to a terminal of the flyback power converter. When the control signal is below a second threshold and above the first threshold, the controller is operated in a limiting mode. The controller is operated in an external command mode when the control signal is below a third threshold and above the second threshold. Lastly, when the control signal is above the third threshold, the controller is operated in a protection mode. | 2013-03-21 |
20130070489 | CONVERTING DEVICE OF ELECTRICAL ENERGY - The disclosure discloses an electric energy conversion device and system, to solve the problems of severe harmonic pollution, low power factor during the electric energy feedback from a power generation device to a power grid in the conventional art. The electric energy conversion device comprises: a plurality of single-phase rectifier bridge circuits, a first input ends of the a plurality of single-phase rectifier bridge circuits, and a second input ends of the a plurality of single-phase rectifier bridge circuits, wherein two input ends of each three-phase fully-controlled bridge circuit are connected with two output ends of each the rectifier bridge circuit respectively. Through the technical solution of the disclosure, the waveform coefficient of the current of the power generation device is improved, the harmonic wave is reduced, and the power factor is improved. | 2013-03-21 |
20130070490 | Grid-Connected Inverter and Method for Filtering AC Output Thereof - Disclosed is a grid-connected inverter and a method for filtering AC output thereof. The grid-connected inverter comprises an AC output filter which includes two or more switchable filtering modules, power capacity of each filtering modules corresponding to a different output power of the grid-connected inverter; a monitoring module which is used to perform realtime monitoring on voltage and current outputted by the grid-connected inverter; and a control circuit which is used to calculate an output power grade of the grid-connected inverter according to the voltage and the current monitored by the monitoring module and control switching to the filtering module having a corresponding power capacity according to the power grade, the power grade being selected from a plurality of power grades which are divided according to power capacities of the filtering modules. | 2013-03-21 |
20130070491 | INTERFACE ARRANGEMENT BETWEEN AC AND DC SYSTEMS INCLUDING FILTER AT TRANSFORMER NEUTRAL POINT - An interface arrangement is provided for coupling between an AC system and a DC system. The arrangement includes a converter for conversion between AC and DC and having a DC side and an AC side, a transformer having a primary side with primary windings for coupling to the AC system and a secondary side with secondary windings coupled to the converter, where the secondary windings are coupled to ground via a neutral point of the secondary side, and a filter with filter elements set for removing a frequency component of at three times the fundamental frequency of an AC voltage appearing on the AC side of the converter. The filter is connected between the neutral point of the secondary side of the transformer and ground. | 2013-03-21 |
20130070492 | HIGH VOLTAGE DC BREAKER APPARATUS - A high voltage DC breaker apparatus configured to interrupt a fault current occurring in a high voltage DC conductor comprises a mechanical interrupter, at least one semiconductor device connected in series with the interrupter, an arrester connected in parallel with the semiconductor device and an LC-circuit connected in parallel with the series connection of the semiconductor device and the interrupter. A control unit is configured to, upon detection of a fault current, control switching of the semiconductor device at a frequency adapted to the values of an inductance and a capacitance of the LC-circuit for charging the capacitance by the fault current while making the current through the interrupter oscillating with an increasing amplitude and the interrupter to open for having the mechanical contacts thereof separated when current zero-crossing is reached for obtaining interruption of the fault current through the interrupter. | 2013-03-21 |
20130070493 | VOLTAGE RECTIFIER WITH SPECIFIC DIODE ARRANGEMENT - The invention is directed to a voltage rectifier ( | 2013-03-21 |
20130070494 | PHOTOVOLTAIC MODULE-MOUNTED AC INVERTER - A photovoltaic module-mounted AC inverter circuit uses one or more integrated circuits, several switches, solid dielectric capacitors for filtering and energy storage, inductors for power conversion and ancillary components to support the above elements in operation. The integrated circuit includes all monitoring, control, and communications circuitry needed to operate the inverter. The integrated circuit controls the switches in both an input boost converter and a single-phase or multi-phase output buck converter. The integrated circuit also monitors all power processing voltages and currents of the inverter and can take appropriate action to limit power dissipation in the inverter, maximize the available power from the associated PV module and shut down the inverter output if the grid conditions so warrant. The integrated circuit implements power line communications by monitoring the AC wiring for signals and generating communications signals via the same pulse-width modulation system used to generate the AC power. | 2013-03-21 |
20130070495 | AC/DC CONVERTER - The present invention relates to an AC/DC converter comprising at least two phase legs connected in series between first and second DC connection terminals of the AC/DC converter, wherein each phase leg comprises: an AC connection having first and second terminals arranged to connect the phase leg to a phase of an AC system; a phase branch comprising at least one converter cell and having first and second branch end terminals; and a capacitor. The capacitor is connected the between the first branch end terminal and the first AC connection terminal, so that the capacitor forms a DC blocking capacitor. The second AC terminal is connected to the second branch end terminal. The series connection of the phase legs between first and second DC connection terminal is such that a first series connection point in a phase leg is located between the first branch end terminal and the capacitor, while a second series connection point is located between the second branch end terminal and the second AC connection. The invention further relates to a method of operating such AC/DC converter. | 2013-03-21 |
20130070496 | METHOD AND APPARATUS FOR POWER MODULE OUTPUT POWER REGULATION - A method and apparatus for regulating power production. In one embodiment, the method comprises comparing a line voltage level to a first threshold and a second threshold, wherein the line voltage level is a level of a line voltage at an output of a power converter; and modifying power produced by the power converter by (i) a first modification when the line voltage level is between the first and the second thresholds, and (ii) a second modification when the line voltage level exceeds the second threshold. | 2013-03-21 |
20130070497 | POWER SUPPLY WITH VIRTUAL BY-PASS SYSTEM - The power supply comprises a bridge rectifier connected to an AC source; a boost converter series-connected to the bridge rectifier comprising an inductance coil; a filter capacitor series-connected to the boost converter; a DC/DC converter connected to a load; a hold-up-time enhancer connected to and positioned between the filter capacitor and the DC/DC converter; and a virtual by-pass system parallel-connected to the hold-up-time enhancer comprising an induction coil inductively coupled to the inductance coil of the boost converter. As such, voltage is induced on the induction coil by the inductance coil in the boost converter and the virtual by-pass system parallel-connected to the hold-up-time enhancer is thereby turned on and off. | 2013-03-21 |
20130070498 | POWER ADJUSTABLE, ISOLATED AND TRANSFORMERLESS AC TO DC POWER CIRCUIT - A power adjustable, isolated and tranformerless AC to DC power circuit is revealed. The AC to DC power circuit includes a first reactance component, a second reactance component, a third reactance component and an AC power connected to form a loop. The third reactance component is connected to an input end of a full bridge rectifier and a filter capacitor is connected across to an output end of the full bridge rectifier for output of a stable low voltage DC. Thereby AC power is isolated to avoid electric conductance or shock. Moreover, the manufacturing cost is dramatically reduced, the power is saved, and no heat is generated. Furthermore, the reactance of the whole circuit is reduced so as to get high power factor. The AC to DC power circuit has no high frequency radiation, no radiation damage and no interference to sensitive electronic equipment. | 2013-03-21 |
20130070499 | Switched Power Converter - A power converter includes a DC port and an AC port. A set of controllable “DC” switches couples the DC port to a central series-resonant circuit, and a set of “AC switches couples the central circuit through a filter to the AC port. A switch control circuit responds to secondary-to-tertiary and inversion time percentages, and a modulator is responsive to the AC filter voltage and to the current at the AC port, for generating the inversion (inv) and secondary-to-tertiary (s2t) time percentages. | 2013-03-21 |
20130070500 | POWER CONVERSION APPARATUS - According to one embodiment, a power conversion apparatus includes a first LC circuit, a first switch, a second switch, a smoothing capacitor, a second LC circuit and a controller. The first switch is connected to the AC power supply through the first LC circuit. The second switch is connected in series to the first switch. The smoothing capacitor is connected in parallel to a series circuit of the first switch and the second switch. The second LC circuit is connected between a connection point between the first switch and the second switch and a load. The controller outputs a first pulse signal to the first switch when a voltage polarity of the AC power supply is positive, and outputs a second pulse signal to the second switch when the voltage polarity is negative. | 2013-03-21 |
20130070501 | METHOD OF REDUCING COMMON MODE CURRENT - Method of reducing common mode current (i) flowing between the internal ground ( | 2013-03-21 |
20130070502 | POWER CONVERTER DESIGNED TO ENHANCE STABILITY IN OPERATION - A power converter equipped with a plurality of semiconductor modules, a cooling device, a control circuit board, a smoothing capacitor, and a discharging resistor. The discharging resistor mounted on the control circuit board in parallel connection to the smoothing capacitor. The control circuit board has fabricated thereon a timing controller working to control timings of on/off operations of the semiconductor modules, a driver coupled to control terminals of the semiconductor modules to control voltage applied to the control terminals, and a power supply circuit working to transform a voltage input to the control circuit board into operating voltages for the timing controller and the driver. The driver is disposed between at least one of the timing controller and the power supply circuit and the discharging resistor, thereby protecting the timing controller and/or the power supply circuit mounted on the control circuit board from thermal energy radiating from the discharging resistor. | 2013-03-21 |
20130070503 | SYNCHRONOUS NON-ISOLATED PUSH-PULL CONVERTER - A push-pull converter configured to convert an input voltage to an output voltage according to a transfer ratio is provided. The push-pull converter comprises a transformer, a first and a second switch transistor arranged to operatively provide the input voltage to the transformer such that the transfer ratio is obtainable, a first and a second rectification transistor arranged to operatively receive a first and a second part, respectively, of the output voltage from the transformer such that the transfer ratio is obtainable. The push-pull converter is further configured to synchronously operate the first switch transistor and the first rectification transistor, synchronously operate the second switch transistor and the second rectification transistor, and operate the first and second switch transistors 180 degrees out of phase with respect to each other. | 2013-03-21 |
20130070504 | NON-ISOLATED INVERTER AND RELATED CONTROL MANNER THEREOF AND APPLICATION USING THE SAME - A non-isolated inverter including a DC input-side, a capacitor connected in parallel with the DC input-side, an AC output-side connected in parallel with a load, and first and second bridge-arm units is provided. The first and second bridge-arm units are connected in parallel with the capacitor. The first bridge-arm unit includes a series forward-connection of upper and lower switch-elements, where a common-node of upper and lower switch-elements and a supplying terminal of the second bridge-arm unit are respectively connected to two terminals of the AC output-side. The upper and lower switch-elements are respectively turned on in positive and negative half cycles of an output current of the non-isolated inverter, and the generation of common-mode currents in the non-isolated inverter is suppressed under a clamping action between the upper and lower switch-elements due to there are no high-frequency voltages on the parasitic-capacitors from the non-isolated inverter to the ground. | 2013-03-21 |
20130070505 | Inverter Control When Feeding High Impedance Loads - An inverter controller comprising a current regulator unit, a voltage regulator unit coupled to the current regulator unit, an inverter unit coupled to the voltage regulator unit, and a drive unit controlled by the inverter unit. | 2013-03-21 |
20130070506 | SEMICONDUCTOR DEVICE HAVING STACKED LAYERS - A semiconductor device is disclosed in which there are provided a first substrate including memory cells and at least one bit line electrically coupled to the memory cells, and a second substrate including a sense amplifier. Each of the memory cells includes a first transistor, and the sense amplifier includes a second transistor. The second substrate is stacked with the first substrate such that the sense amplifier amplifies data transferred through the bit line from a selected one of the memory cells. The first transistor is lower in carrier mobility than the second transistor. | 2013-03-21 |
20130070507 | SEMICONDUCTOR MEMORY DEVICE - A memory device is provided. The memory device includes a first semiconductor chip including a memory element and a peripheral circuit configured to write or read data in or from the memory element; and a second semiconductor chip configured to perform an input/output function of data or signals exchanged between an external device and the first semiconductor chip. | 2013-03-21 |
20130070508 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME - According to an embodiment, a method of manufacturing a semiconductor device including a memory array provided on a substrate, and a control circuit provided on a surface of the substrate between the substrate and the memory array, includes steps of forming, in an insulating layer covering a p-type semiconductor region and an n-type semiconductor region of the control circuit, a first contact hole communicating with the p-type semiconductor region; forming a contact plug, in contact with the p-type semiconductor region, within the first contact hole; forming, in the insulating layer, a second contact hole communicating with the n-type semiconductor region; and forming an interconnection contacting the contact plug and the n-type semiconductor region exposed within the second contact hole. | 2013-03-21 |
20130070509 | MEMORY DEVICE HAVING DATA PATHS - Apparatus and methods are disclosed, such as those involving array/port consolidation and/or swapping. One such apparatus includes a plurality of port pads including a plurality of contacts; a plurality of memory arrays; and a plurality of master data lines. Each of the master data lines extends in a space between one of the port pads and a respective one of the memory arrays. Each of the master data lines is electrically connectable to the contacts of a respective one of the port pads. The apparatus further includes a plurality of local data lines, each of which extends over a respective one of the memory arrays. Each of the local data lines is electrically connectable to a respective one of the master data lines. At least one of the local data lines extends over at least two of the memory arrays. This configuration allows memory array consolidation and/or swapping without increasing die space for additional routing and adversely affecting performance of the apparatus. | 2013-03-21 |
20130070510 | METHOD FOR READING A HOLOGRAPHIC MEMORY ON A DATA MEDIUM - The embodiments of this invention also describe to a data medium comprising
| 2013-03-21 |
20130070511 | SELECT DEVICES FOR MEMORY CELL APPLICATIONS - Select devices for memory cell applications and methods of forming the same are described herein. As an example, one or more memory cells comprise a a select device structure including a two terminal select device having a current-voltage (I-V) profile associated therewith, and a non-ohmic device in series with the two terminal select device. The combined two terminal select device and non-ohmic device provide a composite I-V profile of the select device structure that includes a modified characteristic as compared to the I-V profile, and the modified characteristic is based on at least one operating voltage associated with the memory cell. | 2013-03-21 |
20130070512 | NON-VOLATILE MEMORY DEVICE - A non-volatile memory device includes a memory cell including a resistance variable device and a switching unit for controlling a current flowing through the resistance variable device; a read reference voltage generator configured to generate a reference voltage according to a skew occurring in the switching unit; and a sense amplifier configured to sense a voltage corresponding to the current that flows through the resistance variable device based on the reference voltage. | 2013-03-21 |
20130070513 | METHOD AND APPARATUS FOR DIRECT BACKUP OF MEMORY CIRCUITS - An integrated circuit employs at least one active memory circuit and at least one memory state backup circuit wherein the at least one memory state backup circuit includes at least one passive variable resistance memory cell and at least one passive variable resistance memory cell interface that are used to backup data from the active memory circuit to the PVRM cell. Data is then placed back into the active memory circuit from the PVRM cell during a restore operation. The PVRM cell interface is operative to read the PVRM cell in response to a restore signal. PVRM cell interface control logic is operative to remove power to the PVRM cell after backup of the data to the PVRM cell from the active memory circuit. A PVRM cell (e.g., a bit cell) is added to each memory circuit that stores state information on an integrated circuit. | 2013-03-21 |
20130070514 | INTEGRATED CIRCUIT WITH ON-DIE DISTRIBUTED PROGRAMMABLE PASSIVE VARIABLE RESISTANCE FUSE ARRAY AND METHOD OF MAKING SAME - An integrated circuit employs a plurality of functional blocks, such as but not limited to, processors (e.g., cores), and an on-die distributed programmable passive variable resistance memory array configured to provide configuration information for each of the plurality of functional blocks. A corresponding sub-portion of the on-die distributed programmable passive variable resistance memory array is fabricated in layers above each respective plurality of functional blocks. The on-die distributed programmable passive variable resistance memory array is used as either non-volatile prepackage configuration information store, or a non-volatile post-package configuration information store that may allow dynamic changing of hardware configuration of the functional blocks both during normal operation and prior to die packaging. A method for making the same is also disclosed. | 2013-03-21 |
20130070515 | METHOD AND APPARATUS FOR CONTROLLING STATE INFORMATION RETENTION IN AN APPARATUS - A method and apparatus for controlling state information retention determines at least a state information save or restore condition for at least one processing circuit such as one or more CPU or GPU cores or pipelines, in an integrated circuit. In response to determining the state information save or restore condition, the method and apparatus controls either or both of saving or restoring of state information for different virtual machines operating on the processing circuit, into corresponding on-die persistent passive variable resistance memory. The state information save or restore condition is a virtual machine level state information save or restore condition. State information for each of differing virtual machines is saved or restored from differing on-die passive variable resistance memory cells that are assigned on a per-virtual machine basis. | 2013-03-21 |
20130070516 | VARIABLE RESISTANCE NONVOLATILE MEMORY DEVICE AND DRIVING METHOD THEREOF - A highly-reliable variable resistance nonvolatile memory device capable of a stable operation and a driving method of the variable resistance nonvolatile memory device are provided. | 2013-03-21 |
20130070517 | Resistance Change Memory - A resistance change memory includes a first conductive line extending in a first direction, a second conductive line extending in a second direction which is crossed to the first direction, a cell unit including a memory element and a rectifying element connected in series between the first and second conductive lines, and a control circuit which is connected to both of the first and second conductive lines. The control circuit controls a voltage to change a resistance of the memory element between first and second values reversibly. The rectifying element is a diode including an anode layer, a cathode layer and an insulating layer therebetween. | 2013-03-21 |
20130070518 | ANTIFERROMAGNETIC STORAGE DEVICE - An antiferromagnetic nanostructure according to one embodiment includes an array of at least two antiferromagnetically coupled magnetic atoms having at least two magnetic states that are stable for at least one picosecond even in the absence of interaction with an external structure, the array having a net magnetic moment of zero or about zero, wherein the array has 100 atoms or less along a longest dimension thereof. An atomic-scale structure according to one embodiment has a net magnetic moment of zero or about zero; two or more stable magnetic states; and having an array of atoms that has magnetic moments that alternate between adjacent magnetic atoms along one or more directions. Such structures may be used to store data at ultra-high densities. | 2013-03-21 |
20130070519 | READ ARCHITECTURE FOR MRAM - A read architecture for reading random access memory (RAM) cells includes a multi-level sense amplifier, the multi-level sense amplifier including a plurality of sense amplifiers, each sense amplifier having a respective sense threshold and a respective sense output, and a storage module coupled to the multi-level sense amplifier for storing the sense outputs of the multi-level sense amplifier. The storage module stores a first set of sense outputs corresponding to a first read of an RAM cell and stores a second set of sense outputs corresponding to a second read of the RAM cell. The architecture also includes a decision module for comparing the first and second set of sense outputs and determining a data state of the RAM cell based on the comparison. | 2013-03-21 |
20130070520 | Magnetic Random Access Memory Devices Including Shared Heating Straps - A memory device includes: (1) multiple magnetic random access memory (“MRAM”) cells each including a first end and a second end; (2) a bit line electrically coupled to the first end of at least one of the MRAM cells; and (3) a strap electrically coupled to the second end of each one of the MRAM cells. During a write operation, the bit line is configured to apply a first heating current, and the strap is configured to apply a second heating current, such that at least one of the MRAM cells is heated to at least a threshold temperature according to the first heating current and the second heating current. | 2013-03-21 |
20130070521 | Magnetic Random Access Memory Devices Including Heating Straps - A memory device includes at least one magnetic random access memory cell, which includes: (1) a magnetic tunnel junction having a first end and a second end; and (2) a strap electrically coupled to the second end of the magnetic tunnel junction. The memory device also includes a bit line electrically coupled to the first end of the magnetic tunnel junction. During a write operation, the bit line is configured to apply a first heating current through the magnetic tunnel junction, and the strap is configured to apply a second heating current through the strap, such that the magnetic tunnel junction is heated to at least a threshold temperature according to the first heating current and the second heating current. | 2013-03-21 |
20130070522 | NONVOLATILE MEMORY DEVICE - According to one embodiment, a nonvolatile memory device includes a magnetic memory element and a control unit. The magnetic memory element includes a stacked body including first and second stacked units. The first stacked unit includes a first ferromagnetic layer having a magnetization fixed, a second ferromagnetic layer having a magnetization variable and a first nonmagnetic layer provided between the first and second ferromagnetic layers. The second includes a third ferromagnetic layer having a magnetization rorated by a passed current to produce oscillation, a fourth ferromagnetic layer having a magnetization fixed and a second nonmagnetic layer provided between the third and fourth ferromagnetic layers stacked with each other. A frequency of the oscillation changes in accordance with the direction of the magnetization of the second ferromagnetic layer. The control unit includes a reading unit reading out the magnetization of the second ferromagnetic layer. | 2013-03-21 |
20130070523 | MAGNETIC MEMORY ELEMENT AND NONVOLATILE MEMORY DEVICE - According to one embodiment, a magnetic memory element includes a stacked body including first and second stacked units. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. A magnetization of the first ferromagnetic layer is fixed in a direction perpendicular to the first ferromagnetic layer. A magnetization of the second ferromagnetic layer is variable. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit stacked with the first stacked unit includes third and fourth ferromagnetic layers and a second nonmagnetic layer. A magnetization of the third ferromagnetic layer is variable. The fourth ferromagnetic layer is stacked with the third ferromagnetic layer. A magnetization of the fourth ferromagnetic layer is fixed in a direction perpendicular to the fourth ferromagnetic layer. The second nonmagnetic layer is provided between the third and fourth ferromagnetic layers. | 2013-03-21 |
20130070524 | ON CHIP DYNAMIC READ FOR NON-VOLATILE STORAGE - Dynamically determining read levels on chip (e.g., memory die) is disclosed herein. One method comprises reading a group of non-volatile storage elements on a memory die at a first set of read levels. Results of the two most recent of the read levels are stored on the memory die. A count of how many of the non-volatile storage elements in the group showed a different result between the reads for the two most recent read levels is determined. The determining is performed on the memory die using the results stored on the memory die. A dynamic read level is determined for distinguishing between a first pair of adjacent data states of the plurality of data states based on the read level when the count reaches a pre-determined criterion. Note that the read level may be dynamically determined on the memory die. | 2013-03-21 |
20130070525 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device according to an embodiment includes a control circuit controlling a read operation of applying a read voltage to a selected memory cell to read data, and a write verify operation of applying a verify voltage to the selected memory cell. In a first case, the control circuit sets a voltage to a first write verify voltage and a first read voltage. In a second case in which the memory cells deteriorate more than in the first case, the control circuit sets a voltage to a second write verify voltage and a second read voltage. The control circuit sets a difference between a maximum value of the first write verify voltage and a maximum value of the first read voltage to be more than a difference between a maximum value of the second write verify voltage and a maximum value of the second read voltage. | 2013-03-21 |
20130070526 | FLASH MEMORY AND READING METHOD OF FLASH MEMORY - A reading method of a flash memory, the reading method including: sensing hard data of a first target page by using a first hard read voltage; and generating soft data of the first target page by using at least one pair of, that is, two, first soft read voltages whose voltage levels are different from a voltage level of the first hard read voltage, while the flash memory performs a first operation on the hard data. | 2013-03-21 |
20130070527 | SYSTEM AND METHOD FOR MANAGING ERASE OPERATIONS IN A NON-VOLATILE MEMORY - Embodiments of the invention are directed to managing a memory component. A method may include performing a first erase operation according to a first set of erase parameters, determining a result of the first erase operation, modifying the first set erase parameters based on the result to produce a second set of erase parameters and performing a second erase operation according to a second set of erase parameters. A condition parameter may be maintained based on the erased parameters and/or based on a result of an erase procedure. | 2013-03-21 |
20130070528 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor memory device includes a memory cell array, a bit line, a source line, and a sense circuit. The memory cell array includes memory strings which include memory cells connected in series and stacked above a semiconductor substrate. The bit line is coupled to one of the memory strings and is capable of transferring data. The source line is coupled to one of the memory strings. When data is read, a read current flows from a bit line into the source line. The sense circuit is coupled to the bit line and senses read data. An operation timing of the sense circuit is determined on the basis of a current flowing through the source line. | 2013-03-21 |