25th week of 2012 patent applcation highlights part 35 |
Patent application number | Title | Published |
20120155052 | ELECTRONIC DEVICE HOUSING AND MANUFACTURING METHOD THEREOF - An electronic device includes a bottom housing and a display panel. The bottom housing includes a bottom wall, a side wall, a support plate, and a plurality of reinforcement portions. The side wall extends from an edge of the bottom wall. The support plate extends toward a center of the bottom housing from a top end of the side wall, and defines an assembly groove. The side wall includes a plurality of side plates connecting with each other. The reinforcement portions are positioned at the corners of the bottom housing Each of the reinforcement portions is sandwiched between the bottom wall and the support plate, and connecting two adjacent side plates. A manufacturing method for an electronic device housing is also provided. | 2012-06-21 |
20120155053 | CASE FOR ELECTRONIC COMPONENTS - Provided is a case for electronic components in which an openable and closable lid is mounted to a container for housing a plurality of electronic components. The lid includes a shield projecting from its inner surface and located between two electronic components when the lid is closed so that its leading end can abut on a mounting surface on which the two electronic components are mounted. | 2012-06-21 |
20120155054 | ELECTROMAGNETIC INTERFERENCE (EMI) ABSORBING ASSEMBLY AND METHOD FOR USE IN AN OPTICAL TRANSCEIVER MODULE - An optical transceiver module is provided that has an EMI absorbing assembly that comprises an EMI absorbing device that is electrically grounded rather than standing in free space in the transceiver module so that the assembly absorbs both the magnetic and electrical components of the EMI. In accordance with an embodiment, the EMI absorbing assembly includes a leadframe about which an EMI absorbing material is cast. The leadframe preferably is shaped in a way that prevents or lessens the occurrence of resonant EMI modes in the transceiver module housing. | 2012-06-21 |
20120155055 | SEMICONDUCTOR CHIP ASSEMBLY AND METHOD FOR MAKING SAME - A microelectronic assembly may include a substrate including a rigid dielectric layer having electrically conductive elements, a microelectronic element having a plurality of contacts exposed at a face thereof, and conductive vias extending through a compliant dielectric layer overlying the rigid dielectric layer. The vias electrically connect the substrate contacts respectively to the conductive elements, and the substrate contacts are joined respectively to the contacts of the microelectronic element. The vias, compliant layer and substrate contacts are adapted to appreciably relieve stress at the substrate contacts associated with differential thermal contact and expansion of the assembly. | 2012-06-21 |
20120155056 | LIGHT EMITTING DIODE BACKUP SYSTEMS AND METHODS - Systems and methods for backing up LEDs are provided. In one embodiment, an LED backup system includes an LED backup controller operable to select from a plurality of power sources to supply electrical energy to a set of LEDs. The plurality of power sources includes a primary power source and a battery. The LED backup controller is adapted to be in selective electrical communication with the primary power source via a first electrical path. The LED backup controller is also adapted to be in electrical communication with the primary power source via a second electrical path. The LED backup controller is operable to select the battery to supply electrical energy to the set of LEDs in response to a failure of the LED backup controller to electrically communicate with the primary power source via the second electrical path. | 2012-06-21 |
20120155057 | MEDICAL APPARATUS - There is herein described medical apparatus. More particularly, there is herein described medical apparatus capable of adapting and/or conforming to a non-planar surface on a patient's body. | 2012-06-21 |
20120155058 | WIND GENERATOR WITH PROTECTION FOR FLYING ANIMALS - Wind generator with protection for flying animals that includes a rotor ( | 2012-06-21 |
20120155059 | LIGHT SOURCE COMPRISING A LIGHT EMITTER ARRANGED INSIDE A TRANSLUCENT OUTER ENVELOPE - The invention relates to a light source ( | 2012-06-21 |
20120155060 | Quantum Dot Modulation For Displays - Modulated light sources are described. A modulated light source may have first light sources that are configured to emit first light, which has first color components that occupy a range that is beyond one or more prescribed ranges of light wavelengths. The modulated light source may also have a light converter that is configured to be illuminated by the first light. The light converter converts the first light into second light. The second light has one or more second color components that are within the one or more prescribed ranges of light wavelengths. Strengths of the one or more second color components in the second light are monitored and regulated to produce a particular point within a specific color gamut. | 2012-06-21 |
20120155061 | LED MODULE, LED LAMP, AND ILLUMINATING APPARATUS - To constrain reductions in luminous efficacy while enhancing the color rendition index, the LED module includes a blue LED, at least one variety of phosphor particles excited by the outgoing light from the blue LED, and neodymium glass particles that include neodymium ions absorbing the outgoing light from the phosphor particles in a predetermined wavelength band. | 2012-06-21 |
20120155062 | KEYBOARD LIGHTING DEVICE - A portable computer includes a user interface portion and a screen portion that has a substantially planar surface rotatably coupled to the user interface portion. At least one light fixture is positionably mounted to the screen portion in a stowage position or in a functional position. In some embodiments, the light fixture includes a spring member. In the stowage position, the spring member is compressed, and the light fixture is flush with the substantial planar surface. In the functional position, the spring member is relaxed, and the light fixture illuminates the user interface portion. In some embodiments, the light fixture includes a swivel member that enables 360° rotation of the light fixture. | 2012-06-21 |
20120155063 | LED LIGHT SOURCE MODULE AND DISPLAY APPARATUS INCLUDING THE SAME - An LED light source module is provided. The LED light source module includes a circuit board having a first circuit pattern and a second circuit pattern; and a plurality of rectangular LED packages mounted on the circuit board so as to be connected to each of the first and second circuit patterns, and arranged in a row such that each of the LED packages is tilted in a predetermined direction, while long sides of adjacent LED packages facing each other. In addition, a display device having the LED light source module is provided. | 2012-06-21 |
20120155064 | RECHARGEABLE LIGHTED GLASSES - Rechargeable lighted glasses are provided having one or more light sources mounted thereto and powered by a rechargeable power source. The rechargeable power source can be recharged through a recharging interface mounted to at least one of the temple arm portions of the rechargeable lighted glasses. | 2012-06-21 |
20120155065 | Light-emitting electronic textile with improved light diffusion - A light-emitting electronic textile ( | 2012-06-21 |
20120155066 | MEMORIAL LIGHTING - Embodiments of a lighted memorial are provided. In one embodiment, the lighted memorial may include one or more light sources for illuminating information regarding a deceased, for example, a name, date of birth and date of death. The information regarding the deceased may be placed on a monument, and the light sources may be mounted in, on or adjacent to a base to illuminate the information on the monument. In another embodiment, the information regarding the deceased may be formed in a lens positioned above the light source so that the light source may provide back lighting for the lens. In another embodiment, the light source and lens may be positioned above a housing for containing the cremated remains of a deceased. The remains housing, light source and lens may be mounted at least partially within a base. | 2012-06-21 |
20120155067 | SOLAR ASSEMBLY HAVING REMOVABLE SOLAR PANEL - A solar assembly includes a base and at least one LED coupled to the base. An illumination panel having a first end and a second end is provided. The first end is coupled to the base. The illumination panel extends from the base between the first end and the second. The illumination panel reflects light emitted from the at least one LED. A solar panel receptacle is positioned at the second end of the illumination panel. A solar panel housing is removably attached to the solar panel receptacle. The solar panel housing has a solar panel to power the at least one LED. | 2012-06-21 |
20120155068 | MULTIFUNCTION ELECTRICITY GENERATING ASSEMBLY USING SOLAR POWER - A multifunction electricity generating assembly includes: a pivot seat mounted pivotally in a housing; a solar power collecting unit mounted selectively to the pivot seat, and including a carrier connected detachably to the pivot seat to co-rotate with the pivot seat relative to the housing, and formed with electrical contacts that contact respectively and electrically exposed conductive members of the pivot seat when the carrier is connected to the pivot seat, and a solar power collecting plate connected electrically to the electrical contacts, and carried on the carrier for converting solar power into electrical energy; and a rechargeable battery unit disposed in the housing for storing collecting plate, the electrical energy converted by the solar power collecting plate. | 2012-06-21 |
20120155069 | MULTI-PURPOSE ILLUMINATION DEVICE - A multi-purpose illumination device includes a lamp-holder body and a portable lighting device detachably installed in the lamp-holder body. The lamp-holder body has a partially transparent cover and a power converter. The power converter converts a utility power into a DC power. The portable lighting device has a housing, a charging circuit, a battery unit, a push-button unit, an LED driving circuit, an LED unit, and a controller. The controller is coupled to the push-button unit, the charging circuit, a detection mechanism, and the LED driving circuit for detecting a button pressing state of the push-button unit, whether there is utility power, and whether the portable lighting device is installed in the lamp-holder body to control the LED driving circuit to drive the LED unit to light. The portable lighting device can also be used as a backup power. | 2012-06-21 |
20120155070 | PIR INDUCTIVE LED LAMP TUBE - An IP processing technology, and more particularly to a human infrared recipient processor, which comprising: an amplifying circuit, a switch control circuit for output of switching signals, a PIR for obtaining human IR signals, a PHOT for obtaining brightness signals, a main controller IC | 2012-06-21 |
20120155071 | SURFACE ILLUMINATION METHOD USING POINT LIGHT SOURCE, LINEAR LIGHT SOURCE DEVICE, AND SURFACE ILLUMINATION DEVICE USING LINEAR LIGHT SOURCE DEVICE - A surface illumination device includes: a point light source I having high directionality; a linear light conversion unit II that converts light from the point light source into linear light; a linear light diffusion unit III that diffuses the linear light; and a surface lighting unit IV that is irradiated with diffused light and outputs surface light. The light from the point light source I is converted into the linear light by the linear light conversion unit II. The linear light thus converted is diffused in a predetermined direction by the linear light diffusion unit III. The diffused light is radiated on the surface lighting unit IV to be converted into surface light and radiated. | 2012-06-21 |
20120155072 | LED TUBE LAMP - An LED tube lamp includes a heat sink, an LED substrate, a cover fixed to the heat sink. The cover includes a first surface, a second surface and at least one incident end facing the LEDs, each of the at least one incident end includes an incident face and a reflective face. Light beams from the LEDs enter the cover from the incident face and are reflected by the reflective face, the light beams reflected by the reflective faces are internally reflected by the first surface and the second surface until escaping outside through the cover. | 2012-06-21 |
20120155073 | LED LIGHTING ASSEMBLY FOR FLUORESCENT LIGHT FIXTURES - Described are LED lighting assemblies that may be used to replace a light source in a light fixture. The LED lighting assembly may include a thermally conductive extrusion, a plurality of light emitting diodes, and a diffuser. The diffuser is positioned below the light emitting diodes and also releasably engages the extrusion. The light fixture may include a housing, a reflector assembly with at least one longitudinally extending trough, at least one light source, and at least one lens assembly. As an example, the at least one lens assembly and the at least one light source are removed, and at least one LED lighting assembly is provided. At least a portion of the extrusion of the at least one LED lighting assembly is placed adjacent the at least one longitudinally extending trough. The diffuser of the at least one LED lighting assembly is connected to the at least one longitudinally extending trough. | 2012-06-21 |
20120155074 | STRAIGHT-TUBE LED LAMP SWITCH DEVICE AND STRAIGHT-TUBE LED LAMP USING THE SAME - A straight-tube LED lamp switch device includes a first terminal protruding from a housing; an operating body having an operating portion that can receive a pressing operation into the housing; a second terminal that is brought into conduction with the first terminal by the pressing operation on the operating body; and a torsion spring that restores the operating body to an initial state before the pressing operation. A position of a distal end portion of the operating body in the initial state protrudes outside with respect to a distal end portion of the first terminal. | 2012-06-21 |
20120155075 | Multi-Color Simulated Flame System for Electric Fireplaces - A lighting system and methods for producing multi-color light effects are described. The multi-color light effects can feature at least two colors of light projected inside a firebox of an electric fireplace. The lighting system includes a projection surface, a reflective spindle, a first light-emitting device, and at least a second light-emitting device. The first light-emitting device projects light of a first color onto the reflective spindle. Light from the first light-emitting device striking the reflective spindle is reflected onto the projection surface, which can be a projection screen installed in the firebox of the electric fireplace. The second light-emitting device projects light of a second color directly onto the projection surface. The first color light and second color light can be projected onto adjacent, overlapping light projection areas of the projection screen so as to produce a realistic multi-color simulated flame effect. | 2012-06-21 |
20120155076 | LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES - A light emitting device comprises: a package; at least one red LED housed in the package and operable to emit red light; at least one blue LED housed in the package and operable to emit blue light wherein the emission product of the device comprises the combination of light emitted by the red and blue LEDs; and a light transmissive material encapsulating the LEDs. Preferably, the package further comprises electrical contacts that are configured such that the drive current of the blue and red LEDs is independently controllable. Devices and/or light emitting systems further comprise a driver operable to control a drive current of the red and/or blue LEDs in response the measured emission intensities of the LEDs such as to maintain a substantially constant ratio of the blue to red light in the emission product. | 2012-06-21 |
20120155077 | LIGHT EMITTING DIODE FLOODLIGHT - A light emitting diode floodlight includes a hollow housing, a lens, a cover, a light source, an illumination reflector, an intermediate portion, and a power source. The cover is coupled to the end of the housing and configured to hold and support the lens. The light source has a pyramidal frustum-shaped portion installed at an opposite end of the housing. The illumination reflector is installed within the housing so as to surround a periphery of the pyramidal frustum-shaped portion of the light source. The intermediate portion is connected to a first heat sink of the light source and has a second heat sink on an outer peripheral surface thereof. The power source has a power supply electrically connected to the light source. | 2012-06-21 |
20120155078 | HYBRID ILLUMINATION SYSTEMS AND METHODS - In accordance with certain embodiments, interior spaces are illuminated with a combination of harvested sunlight and artificial light emitted by one or more light-emitting elements. | 2012-06-21 |
20120155079 | LASER LIGHT SOURCE APPARATUS - A laser light source apparatus comprises a laser light source that emits laser light; a prism with one optical flat face, through which the laser light from the laser light source passes, that is perpendicular to an optical path of the laser light; and a vibration driving device that vibrates the prism to move the prism parallel to a direction in which an optical path length of the laser light in the prism changes, along a flat face located in the other optical flat face that does not intersect perpendicularly with the optical path of the laser light in the prism. | 2012-06-21 |
20120155080 | Light Emitting Diode Retrofit Kit For High Intensity Discharge Lighting - A housing once included a high intensity discharge (HID) light source, lens, and fixture chamber between the housing and lens. The housing is retrofit to exclude a routinely functioning HID light source and exclude at least a portion of the HID lens. The housing is made to include at least a first support for at least one light emitting diode (LED) light source and an LED diode lighting fixture chamber. A second support is affixed at least to the first support and is positioned at least in part outside the LED fixture chamber. The LED light source is mounted to the second support outside the LED fixture chamber. At least one LED light source lens is mounted to provide a lens for the LED light source, also outside the LED lighting fixture chamber. The LED light source is thereby substantially free of exposure to the temperature effects. | 2012-06-21 |
20120155081 | LUMINAIRE AND OPTICAL COMPONENT - It is presented an optical component ( | 2012-06-21 |
20120155082 | LIGHTING APPLICATIONS WITH LIGHT TRANSMISSIVE OPTIC CONTOURED TO PRODUCE TAILORED LIGHT OUTPUT DISTRIBUTION - The present application relates to a lighting applications. In particular, the present application describes examples of lighting fixtures and light bulbs containing a light transmissive optic. The orientation of the solid state emitters together with the contoured output surface of the light transmissive optic produce a tailored light output distribution over a designated planar surface. The light generated by the solid state light emitters is of a sufficient intensity to illuminate the designated planar surface. | 2012-06-21 |
20120155083 | LIGHT SOURCE DEVICE, ILLUMINATION DEVICE, AND DISPLAY DEVICE - Disclosed is a light source device ( | 2012-06-21 |
20120155084 | LIGHTING APPARATUS - A lighting apparatus includes a base having a connection surface thereon; a transparent enclosure mounted on the connection surface, wherein the transparent enclosure and the connection surface define a receiving compartment; a support member disposed on the connection surface and within the receiving compartment, wherein the support member includes a bottom surface connected to the connection surface and a plurality of first mounting side-surfaces extending from the flanges of the bottom surface; and a lighting unit including at least three first lighting devices, and the first lighting devices respectively mounted on the first mounting side-surfaces, wherein each of the first lighting devices has a light axis, the connection surface has a normal axis, and a first included angle defined between the light axis of one of the first lighting devices and the normal axis of the connection surface is at least larger than 30 degrees. | 2012-06-21 |
20120155085 | LED MODULE ASSEMBLING STRUCTURE - An LED module assembling structure includes an LED module, at least one connection seat and a conductive connection member. The LED module includes a circuit board and at least one light-emitting diode. The connection seat is soldered on the circuit board. The connection seat has two sidewalls defining a holding trough having an opening. The sidewalls are respectively formed with two corresponding recesses and two corresponding latch protrusion sections protruding from the sidewalls into the holding trough. The latch protrusion sections are positioned above the recesses near the opening. The conductive connection member is a bar-shaped conductor. At least one end of the conductive connection member is inserted in the holding trough of the connection seat and fixedly held between the recesses in the holding trough. Accordingly, multiple LED modules can be assembled and electrically connected with each other via the conductive connection member and the connection seats. | 2012-06-21 |
20120155086 | LED MODULE FOR LIGHTING - An object of the present invention is to provide a LED module, capable of protecting LED chips from an excessive voltage, at low cost. | 2012-06-21 |
20120155087 | MOVABLE LIGHT EMITTING DIODE DEVICE AND METHOD FOR FABRICATING THE SAME - Provided is a light emitting diode (LED) device. The LED device may include an LED, a body on which the LED is fixed and a coil is wound, and a magnet that is located at a predetermined distance from the coil, on at least one side of the body, and that provides a magnetic force to the coil, and the body may move in a predetermined direction when a voltage is provided to the coil. | 2012-06-21 |
20120155088 | LED LIGHT EMITTING GROUP - A LED light emitting group ( | 2012-06-21 |
20120155089 | PHOTOLUMINESCENT ILLUMINATOR - An illuminator and a method for fabricating the illuminator are disclosed. The illuminator comprises at least a light source and a discriminator. The light source comprises one or more luminescent layers that substantially convert the energy of a primary electromagnetic radiation to an output radiation. The discriminator comprises one or more layers that substantially transmit the primary electromagnetic radiation to the one or more luminescent layers and reflect at least a portion of the output radiation from the one or more luminescent layers to the viewing hemisphere. A method for applying the illuminator to an object is also disclosed. | 2012-06-21 |
20120155090 | STAGE LIGHTING FIXTURE - A stage lighting fixture having : | 2012-06-21 |
20120155091 | LIGHT EMITTING DEVICE AND ILLUMINATION DEVICE - A light emitting device that can reduce the illuminance unevenness on an illuminated surface. First light flux controlling member | 2012-06-21 |
20120155092 | OPTICAL LENS MODULE AND LIGHTING APPARATUS HAVING THE SAME - An optical lens module includes a lens body and a transflective unit. The lens body has a central axis, and has an incident surface, a refractive surface and a side refractive surface. The refractive surface includes a refractive arc-surface and at least one auxiliary refractive surface on the side of the refractive arc-surface. The transflective unit covers the refractive surface. The light incident on the refractive surface is diverged away from the central axis and the diverged light on the transflective unit is partially through the transflective unit and partially reflected to travel out of the lens body through the side refractive surface. The light incident on the transflective unit is reflected to travel out of the lens body through the side refractive surface. The light incident on the side refractive surface is refracted out of the lens body through the side refractive surface. | 2012-06-21 |
20120155093 | SUBSTRATE FOR SURFACE LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SUBSTRATE, SURFACE LIGHT EMITTING DEVICE, LIGHTING APPARATUS, AND BACKLIGHT INCLUDING THE SAME - A substrate for a surface light emitting device in which a transparent electrode, an organic thin film layer, and a cathode electrode are sequentially stacked, the substrate including: a transparent support substrate; and a highly refractive layer that is disposed between the support substrate and the transparent electrode and comprises at least one layer having a refractive index that is equal to or greater than a refractive index of the support substrate, wherein the highly refractive layer comprises a light diffusion unit that diffuses light incident from the transparent electrode and a planarized surface that contacts the transparent electrode. Accordingly, a Haze value of the highly refractive layer is set to be 5% or less, and a diameter of bubbles existing in the highly refractive layer is set to be 1/10th or less of a thickness of the highly refractive layer. | 2012-06-21 |
20120155094 | Fluid Cooled Lighting Element - A fluid cooled lighting element is disclosed. A fluid, preferably a liquid, cools and stabilizes the p-n junction of a light emitting diode thereby reducing the energy required to power the light emitting diode, lengthening its usable lifetime, and outputting more consistent light. The fluid can cool a heat sink, printed circuit board, metal plates to which the light emitting diode is mounted, the lens surrounding the light emitting diode, or other heat transferring elements proximate to the light emitting diode. | 2012-06-21 |
20120155095 | ROLL-FORMED HEAT SINK FOR A LIGHTING FIXTURE - A heat sink and a method of manufacturing a heat sink for an LED light fixture. The heat sink is fabricated by roll forming a thin sheet of aluminum into a heat dissipating structure that has at least one surface that reflects light generated by the LEDs. | 2012-06-21 |
20120155096 | LED Light Brick Attachment Device - A LED light brick attachment device comprising a U-shaped channel and one or more generally J-shaped clips, the combination of which is capable of attaching a standard LED light brick to a support structure. The channel is defined by a base and two vertical sides, forming a trough capable of slideably seating a flange of a standard LED light brick. The clip is defined by a base, a first stem, and an elongated second stem, the base, first stem, and an elongated second stem forming a J-shaped cross-section having a trough. The top of the first stem has an inwardly protruding retaining lip. The second stem has an engagement means capable of engaging a fastener on the light brick. The trough of the clip is capable of being snugly disposed about the channel such that the retaining lip of the first vertical stem is snugly disposed above to the top of one of the vertical sides of the channel, which prevents the channel from being dislodged from the clip. | 2012-06-21 |
20120155097 | ILLUMINABLE BABY STROLLER - An illuminable baby stroller having embedded light sources and means for controlling the lights, the light sources preferably comprising light emitting diodes (LEDs) embedded in the frame of the stroller in translucent sections of the frames making the stroller visible in dim lighting and in the dark wherein the stroller includes a forward light source that illuminates the path in front of the stroller and a rear light source for providing illumination behind the stroller and includes at least one red light source, the light sources being powered by a rechargeable battery that is permanently concealed in a tray to prevent access by the child and powered by an electric circuit and switch that are secured in the frame or a tray of the stroller to provide convenient access for the caretaker while keeping it out of reach from the child. | 2012-06-21 |
20120155098 | VEHICLE LAMP CONTROL APPARATUS - A vehicle lamp control apparatus is provided with: a receiving portion for receiving output values of an acceleration sensor; a control portion for deriving a variation in an inclination angle of a vehicle based on the output values of the acceleration sensor and generating a control signal for instructing an optical axis adjustment of a vehicle lamp; and a transmitting portion for transmitting the control signal to an optical axis adjusting portion of the vehicle lamp. The control portion is configured to detect an error factor of the output values occurring in the acceleration sensor based on the output values of the acceleration sensor and to correct an optical axis position of the vehicle lamp. | 2012-06-21 |
20120155099 | Trucker Proximate Safety Flashers - This invention is an apparatus designated primarily for commercial trucks and trailers. It was inspired by witnessing truckers being nearly struck by vehicles in traffic. Statistical data, regarding injuries/fatalities, supports the necessity of such a device. The assembly is comprised of several components, housed inside an aluminum u-channel. The specific length of the assembly shall be determined by the height of the vehicle or trailer it will be attached. The flasher system is operated basically by pulling the assembly with enough force to release the magnetic hold from the vehicle. Immediately, the flashers are energized as the switch, which is mounted in the rear of the device closes upon separation. A gas spring provides further momentum to pivot the flasher assembly further to its predetermined stop position. To de-energize the flasher assembly, simply push the device back into position until it is held by the magnetism. | 2012-06-21 |
20120155100 | Vocational Truck Headlight Assembly - The present disclosure sets forth a composite headlight assembly which increases the visibility and sight afforded to the driver of a vocational truck using such a composite lighting assembly. A composite lighting assembly includes a low beam light and a high beam light, as well as a turn signal and a parking light within one composite housing. As the overall size of the housing is limited by the size of the grill of the vehicle, the present disclosure increases the visibility and sight afforded to the driver by taking advantage of the untapped space within known composite headlight assemblies. More specifically, the turn signal and parking light may include a downwardly depending trapezoidal appendage increasing the overall area of the turn signal and parking light by at least ten percent. | 2012-06-21 |
20120155101 | LIGHT-EMITTING APPARATUS AND AUTOMOTIVE HEADLAMPS - A light-emitting apparatus is provided with: a light-emitting module; a control circuit unit configured to control the lighting of the light-emitting module; a heat-radiating substrate configured to support the light-emitting module and the control circuit unit in such a manner as to recover the heat produced by the light-emitting module and the control circuit unit; and a connection support unit mounted on the heat-radiating substrate in such a state as to support an electrically conductive member by which to electrically connect the light-emitting module and the control circuit unit. | 2012-06-21 |
20120155102 | LED LUMINAIRE, PARTICULARLY LED HEADLIGHT - LED luminaire, particularly LED headlight, comprising an active light source ( | 2012-06-21 |
20120155103 | VEHICULAR LAMP - A vehicular lamp can include a guiding lens having a polygonal outline. The guiding lens can include divided portions around the optical axis with an equal center angle. The divided portions can each have an incidence face, a reflection face that can reflect to an optical axis direction light emitted from a light source and having passed through the incidence face, and a light-exiting face that can allow the light from the reflection face to pass therethrough to be projected in an illumination direction of the vehicular lamp. Each divided portion can have an outer-diameter end of the light-exiting face or reflection face at a position farthest from the optical axis within a plane including the maximum radius portion of the divided portion and the optical axis. | 2012-06-21 |
20120155104 | MOBILE LIGHTING APPARATUS - Mobile lighting apparatus ( | 2012-06-21 |
20120155105 | DECORATIVE LED TAIL LIGHT ARRANGEMENT - A decorative LED tail light arrangement comprising a decorative tail light attached to a tail light panel of a vehicle, where the decorative tail light is arrange at one end of the tail light panel and an second decorative tail light is attached at an opposing end, a plurality of LED turning lights attached to the decorative tail light, where the plurality of LED turning lights are arranged in a mirrored double-C pattern; and a plurality of LED brake lights attached to the decorative tail light, wherein the plurality of LED brake lights are arranged to surround the plurality of LED turning lights. | 2012-06-21 |
20120155106 | Vehicular Lamp - A vehicular lamp in which a weld surface of a weld portion provided on a translucent cover is pressed against a surface to be welded that is formed on a lamp housing, and the translucent cover and the lamp housing are welded by a laser light irradiated from a welding head on the weld portion. The welding head is moved, during the method of making the lamp, along the weld surface, and the angle of the welding head while moving is varied depending on the orientation of the weld surface so that the orientation angle variation amount of the weld surface is set to be equal to or less than 0.5 deg/mm for areas which are adjacent in the moving direction of the welding head. | 2012-06-21 |
20120155107 | METHODS AND APPARATUS TO RECEIVE LIGHT FROM A LASER VIA AIR FOR A FIBER OPTIC DISPLAY - Methods and apparatus for a free space coupler to receive light from a laser via air. In one embodiment, a system comprises a laser source, a mirror optically aligned to the laser source, a first mount to control a position of the mirror, a free-space coupler to receive light from the mirror, a beam splitter to receive light exiting the coupler, a first detector to receive light reflected from the beam splitter, a second mount coupled to the first detector and to the coupler to control a position of the coupler from information from the first detector, and a second detector to receive light reflected by the coupler and the mirror, wherein the second detector is coupled to the first mount for positioning the mirror with respect to the coupler. | 2012-06-21 |
20120155108 | ELECTRICAL ASSEMBLY WITH CONNECTOR-SUPPORTED LIGHT PIPE AND PASS THROUGH HEAT SINK - An electrical assembly includes a guide frame with closed and open ends, the guide frame configured to be mounted to a substrate. The guide frame defines at least one cavity configured to receive an electrical component therein. A connector housing configured to be disposed in the at least one cavity and mounted to the substrate can support a retainer that extends outwardly from a body of the connector housing. The retainer can be configured to receive an attachment member supported by a light pipe, and can extend outwardly through the closed end of the guide frame. A heat sink coupled to the guide frame can be configured to have at least a portion of the light pipe disposed therein. | 2012-06-21 |
20120155109 | LIGHT GUIDE PLATE UNIT, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A light guide plate unit ( | 2012-06-21 |
20120155110 | LIGHT GUIDE, ILLUMINATION SYSTEM, BACKLIGHTING SYSTEM AND DISPLAY DEVICE - The invention relates to a light guide ( | 2012-06-21 |
20120155111 | BACKLIGHT MODULE - A reflective back cover made of plastic material having micro cellular structures is processed by compression molding and cutting so as to have a monolithical structure. The white material of the reflective back cover reflects lights such that the back cover can be an integral component featuring multiple functions of various components. With the thickness control of the reflective back cover, a concave can be formed at the side of the back cover where a light source is contained and the concave further retains the light source and its flexible printed circuit board. With the incorporation of the reflective back cover, the thickness of the backlight module can be reduced and a reliable and repetitive manufacturing of the backlight module can be introduced. | 2012-06-21 |
20120155112 | PORTABLE COMPUTER ILLUMINATION - Described is an illumination structure suitable for a keyboard light of a portable computer. An example illumination structure includes a transparent acrylic board, a light source, and a light guide. The acrylic board may have a front surface and a rear surface, each of which is flat. The light source is provided at a tilt angle q at which an optical axis is almost at a critical angle with respect to the rear surface of the acrylic board. The light guide is located between the light source and the rear surface. Further, light rays radiated from the light source are refracted by the light guide and the optically-transparent panel, and travel towards the front surface, so as to illuminate the surface. | 2012-06-21 |
20120155113 | ILLUMINATION APPARATUS - An illumination apparatus, comprising at least one light emitting source embedded in a waveguide material is disclosed. The waveguide material is capable of propagating light generated by light emitting source(s), such that at least a portion of the light is diffused within the waveguide material and exits through at least a portion of its surface. | 2012-06-21 |
20120155114 | LIGHTING MODULE - A lighting module may be provided that includes a light guide plate; a first case coupled to one side of the light guide plate; a first light source which is disposed in the first case and emits light to the one side of the light guide plate; a second case coupled to the other side of the light guide plate; and a second light source which is disposed in the second case and emits light to the other side of the light guide plate. An amount of light which is emitted through a top surface of the light guide plate is equal to or not equal to an amount of light which is emitted through a bottom surface of the light guide plate. | 2012-06-21 |
20120155115 | LIGHT EMITTING MODULE AND BACKLIGHT UNIT USING THE SAME - There is provided a light emitting module including: a circuit board; at least one light source part disposed on the circuit board; a wavelength conversion part coupled with the circuit board, the wavelength conversion part covering alight emitting surface of the light source part and converting a wavelength of light; and a coupling part coupling the wavelength conversion part to the circuit board. | 2012-06-21 |
20120155116 | HIGH EFFICIENCY EDGE-LIT LIGHT FIXTURE - This is directed to a LED light fixture having a light guide array with a retroreflective element used to redirect light into the light guide array, and methods for constructing the same. A LED light fixture includes a LED module providing light and an elongated light guide array placed adjacent to the LED module. Light emitted by the LED module propagates through the light guide array and is redirected by the light guide array into the environment of the fixture. To prevent light from propagating through the end of the light guide array opposite the LED module, the light guide array can include angled facets forming a retroreflective element at an end of the light guide array for redirecting light back into the LGA. | 2012-06-21 |
20120155117 | CONTROLLING DEVICE - A control apparatus is provided with a substrate disposed inside a main case and on which light sources are mounted. A surface panel in which light-source display windows are formed at positions opposite the light sources, is also disposed in the main case. The outer rim of the surface of the surface panel facing the main case is affixed to the front-surface rim of the main case with an insulating part sandwiched therebetween. | 2012-06-21 |
20120155118 | Extraction of Light from a Light Conducting Medium in a Preferred Emanation Pattern - An apparatus and method for extraction of light from a light conducting medium in a preferred emanation pattern are described. In one embodiment, the apparatus comprises a first light conducting sheet including aspherical particles, and a light source placed along the edge of the first sheet. The first sheet diffuses light generated by the light source such that light emanates in a predetermined light emanation pattern. | 2012-06-21 |
20120155119 | POWER CONVERTER INTEGRATED WITH FLYBACK CONVERTER - There is provided a power converter integrated with an auxiliary converter. The power converter includes: a flyback converter converting an input power of a power supply input terminal into a standby power through a primary side circuit connected to the power supply input terminal and a secondary side circuit magnetically coupled to the primary side circuit to supply the standby power; and a main converter converting the input power of the power supply input terminal into a main power to supply the main power, and converting the input power of the power supply input terminal into the standby power through the secondary side circuit of the flyback converter to supply the standby power, whereby the efficiency of the power converter may be improved. | 2012-06-21 |
20120155120 | POWER SUPPLY UNIT AND AN INFORMATION PROCESSING APPARATUS - A power supply unit includes input terminals to which alternating current power is supplied, a rectifier circuit configured to rectify the alternating current power supplied from the input terminals, a capacitor configured to smooth the alternating current power rectified by the rectifier circuit, a primary transformer winding and a switching element connected in series between first and second terminals of the capacitor, a secondary transformer winding coupled to the primary transformer winding, output terminals connected to the secondary transformer winding, and a snubber circuit connected parallel to the switching element. The snubber circuit includes a parallel circuit having a first capacitor and a second capacitor connected in parallel, and a resistor connected in series with the parallel circuit. | 2012-06-21 |
20120155121 | SWITCH-MODE POWER SUPPLY AND APPARATUS FOR COMPENSATING INDUCTOR CURRENT PEAK - A switch-mode power supply (SMPS) is provided. When the switch power of the SMPS turns on, the inductor current of the SMPS may flow through an inductor current sensing circuit which then provides a sensing voltage. An apparatus for compensating the inductor current peak receives a reference voltage and the sensing voltage as inputs and outputs a compensation voltage. The compensation voltage is combined with the reference voltage and/or the sensing voltage and is provided to a first comparator. The result keep | 2012-06-21 |
20120155122 | CONTROLLER AND CONTROLLING METHOD FOR POWER CONVERTER - A controller for a power converter is provided. The controller includes a sense current integrating circuit, a reference current integrating circuit and a drive signal generation circuit. The sense current integrating circuit performs an integrating operation to a sense current representative of a conduction current flowing through a power switch of the power converter and thereby outputs a first integrating result. The reference current integrating circuit performs another integrating operation to a reference current and thereby outputs a second integrating result. The drive signal generation circuit determines a switching period of the power switch according to a status of an output voltage of the power converter cooperative with a relative magnitude relationship between the first integrating result and the second integrating circuit. Furthermore, a controlling method for such power converter also is provided. | 2012-06-21 |
20120155123 | REVERSE SHUNT REGULATOR - A reverse shunt regulator includes a MOSFET connected between a cathode and an anode, a switch and a current source serially connected between the cathode and the anode, and an error amplifier having a positive input node to receive an internal reference voltage, a negative input node connected to the reference electrode, and an output node connected to a control electrode of the MOSFET. When the voltage of the reference electrode is within a range, the larger the voltage of the reference electrode is, the less the current of the MOSFET is. Application of this reverse shunt regulator to a flyback converter for output feedback will reduce the power loss in a green mode of the flyback converter. | 2012-06-21 |
20120155124 | THREE-PHASE POWER SUPPLY WITH THREE-PHASE THREE-LEVEL DC/DC CONVERTER - A three-phase power supply with a three-phase three-level DC/DC converter includes a full-bridge thyristor converter with three-set four in-series power switch elements, a three-phase isolated transformer, a full-bridge rectifier, a rectifying circuit, and a low-pass filtering circuit. The three-phase power supply is used to deliver power energy from the AC input voltage to the load. The power switch elements, which separated to each other at 120-degree phase differences, are controlled through a phase shift scheme. Therefore, the three-level circuit structure is provided to reduce withstanding voltage of the power switch elements, further the zero-voltage switching (ZVS) is achieved by the isolated transformer and the power switch elements to increase the efficiency of the DC/DC converter. | 2012-06-21 |
20120155125 | WIND TURBINE GENERATOR - A wind turbine generator comprising: an electrical generator configured to generate AC signals, a plurality of power converters operated by a gating signal, each power converter configured to convert the AC signals from electrical generator into fixed frequency AC signals, a transducer configured to measure the combined output from the power converters, and a controller configured to phase-displace the gating signal of one of the power converters to substantially minimise harmonic components of the combined output. | 2012-06-21 |
20120155126 | POWER CONVERTING APPARATUS, GRID INTERCONNECTION APPARATUS AND GRID INTERCONNECTION SYSTEM - A power converting apparatus is provided with a step-up chopper circuit ( | 2012-06-21 |
20120155127 | METHODS AND APPARATUSES FOR COMBINED FREQUENCY COMPENSATION AND SOFT START PROCESSES - Soft start circuits for a switching power converter include an amplifier configured to operate from a common bias node and amplify a difference between a positive input and a negative input to generate an amplifier output. A soft start bias circuit supplies a soft start bias current during a soft start process for the switching power converter. An operational bias circuit supplies an operational bias current after the soft start process. In some embodiments, a capacitor is operably coupled to the amplifier output and is configured to provide a frequency compensation for the switching power converter and a charging ramp for the soft start process. In some embodiments, the soft start circuit is configured such that the soft start bias current is at least an order of magnitude smaller than the operational bias current and limits a current that the amplifier can during the soft start process. | 2012-06-21 |
20120155128 | Power Converter with Reverse Recovery Avoidance - Reverse recovery avoidance when converting power is provided. A first switch and second switch may be operated to supply an AC load with positive current, respective to the AC load, from a DC power source. A third and fourth switch may be operated to supply the AC load with negative current, respective to the AC load, from the DC power source. Four diodes may be employed with the switches. One diode may conduct the positive current when the first switch is off and the second switch is on. Another diode may conduct the negative current when the third switch is off and the fourth switch is on. | 2012-06-21 |
20120155129 | METHOD AND APPARATUS TO LIMIT OUTPUT POWER IN A SWITCHING POWER SUPPLY - An example power supply includes an energy transfer element, a switch, and a controller. The controller includes a modulator, a drive signal generator, a comparator, and a variable current limit generator. The modulator generates an enable signal having logic states responsive to a feedback signal. The drive signal generator either enables or skips enabling a switch of the power supply during a switching period in response to the logic state of the enable signal. The comparator asserts an over current signal to disable the switch if the switch current exceeds a variable current limit. The variable current limit generator sets the variable current limit to a first current limit in response to one logic state of the enable signal and sets the variable current limit to a second current limit if the enable signal transitions logic states and the over current signal is asserted during the switching period. | 2012-06-21 |
20120155130 | CONVERTER CELL MODULE, VOLTAGE SOURCE CONVERTER SYSTEM COMPRISING SUCH A MODULE AND A METHOD FOR CONTROLLING SUCH A SYSTEM - A converter cell module and a voltage source converter system. The converter cell module includes at least two switching elements, means for energy storage and an autotransformer. The autotransformer is arranged to bypass the converter cell module in the case of failure occurring in the converter cell module. | 2012-06-21 |
20120155131 | Control Methods for the Synchronisation of Parallel-Connected Power Converters Operating in Accordance with a Pulse Width Modulation (PWM) Strategy - A method is described for controlling a plurality of parallel-connected power converters | 2012-06-21 |
20120155132 | PFC CONVERTER - A PFC converter that prevents and reduces switching losses by controlling ripple of inductor current and enables application for high power usage, includes a switching device that is turned off when an inductor current flowing through an inductor reaches a first threshold value, and turned on when the inductor current reaches a second threshold value. A switching control circuit sets a reference value of the inductor current using results from an input voltage detection circuit and an output voltage detection circuit. The first threshold value is produced by adding a predetermined value to the reference value, and the second threshold value is produced by subtracting the predetermined value from the reference value. | 2012-06-21 |
20120155133 | DIRECT CURRENT/ DIRECT CURRENT CONVERTER FOR REDUCING SWITCHING LOSS, WIRELESS POWER RECEIVER INCLUDING DIRECT CURRENT/ DIRECT CURRENT CONVERTER - Provided are a direct current/direct current (DC/DC) converter and a wireless power receiver including the DC/DC converter. In one embodiment, a direct current-direct current (DC/DC) converter for use in a wireless power receiver, the DC/DC converter may include: a voltage converting unit configured to convert, DC voltage, to a predetermined DC voltage; a turn-on switch configured to control current flow of the DC voltage through the voltage converting unit; and a switching controller configured to: detect an amount of current of the voltage converting unit based on a first turn-on period of the turn-on switch, set a second turn-on period of the turn-on switch based on the detected amount of current, and control the turn-on switch based on the second turn-on period. | 2012-06-21 |
20120155134 | HIGH EFFICIENCY RECTIFIER, WIRELESS POWER RECEIVER INCLUDING THE RECTIFIER - A high efficiency rectifier and a wireless power receiver including the rectifier are provided. In one embodiment, a rectifier may be formed of a full bridge diode circuit and may include: a first dual diode, a second dual diode, a third dual diode and a fourth dual diode forming the full bridge diode circuit, the full bridge diode circuit including: a first path configured to output voltage when the phase of an input voltage is positive, via the first dual diode and the fourth dual diode; and a second path configured to output voltage when the phase of the input voltage is negative, via the second dual diode and the third dual diode. In another embodiment, a rectifier may include: at least two full bridge diode circuits connected in parallel. | 2012-06-21 |
20120155135 | THREE LEVEL INVERTER DEVICE - Aspects of the invention can include capacitors which series-divide the voltage of a DC power source, an inverter circuit formed by bridge-connecting semiconductor switching elements to which diodes are antiparallel-connected, and bidirectional switches connected between a connection point of the capacitors and the AC output terminals of the inverter circuit. When the voltage of the DC power source is lower than a prescribed value, the inverter circuit can be caused to operate as an ordinary three-phase inverter, and when the voltage of the DC power source is higher than a prescribed value the inverter circuit can be caused to operate as a V-connected inverter, and when caused to operate as a V-connected inverter, a halted phase can be switched in sequence according to line voltages or output currents. | 2012-06-21 |
20120155136 | WIRELESS POWER RECEIVER CIRCUITRY - Exemplary embodiments are directed to wireless power receivers. A device may include a power converter configured to receive an input voltage. The device may further include circuitry configured to limit a pulse width modulation duty cycle of the power converter to prevent the input voltage from dropping below a threshold voltage. | 2012-06-21 |
20120155137 | POWER STEALING CIRCUITRY FOR A CONTROL DEVICE - A power stealing circuit for stealing power to operate a control device is disclosed. In one illustrative embodiment, power may be periodically or intermittently diverted from a power source to a power stealing block. When power is diverted to the power stealing block, the power stealing block may steal power from the power source and store the stolen power on a storage device. The storage device may then provide operating power to a control device. In some embodiments, the power stealing block may include a first path for charging the storage device when a switch is ON, and a second path for charging the storage device when the switch is off. | 2012-06-21 |
20120155138 | CAPACITIVE POWER SUPPLY WITH SURGE CURRENT LIMITATION - A capacitive power supply including: a first capacitive element and a first resistive element in series between a first terminal of a power switch and at least one rectifying element having a second terminal connected to a first electrode of at least one second capacitive element for providing a D.C. voltage; and a bidirectional switch in parallel on the resistor. | 2012-06-21 |
20120155139 | Electrical Energy Conversion Circuit Device - The present invention is related to an electrical energy conversion circuit device ( | 2012-06-21 |
20120155140 | Asynchronous Sigma-Delta Modulation Controller - A constant-frequency asynchronous modulation apparatus includes a current feedback control unit connected to a constant-frequency asynchronous modulation unit. The current feedback control unit includes a reference signal generator and an error amplifier. The reference signal generator provides an error. The error amplifier is connected to a reference signal generator, and provides an error-compensating signal based on the error, and adds up a reference signal and the error-compensating signal to provide a compensation reference signal. The constant-frequency asynchronous modulation unit connected to the current feedback control unit, and includes a hysteresis comparator, an integrator connected to the hysteresis comparator, and a hysteresis boundary generator connected to both of the hysteresis comparator and the integrator. The hysteresis boundary generator provides a power source voltage, a time constant for the integrator, a switching frequency and a real-time reference signal so that a hysteresis boundary changes as the reference signal changes. | 2012-06-21 |
20120155141 | POWER CONVERTING APPARATUS, GRID INTERCONNECTION APPARATUS AND GRID INTERCONNECTION SYSTEM - A power converting apparatus is provided with an inverter circuit, an output short-circuiting circuit, and a control circuit. The inverter circuit comprises a first inverter switch and a second inverter switch. The output short-circuiting circuit comprises a first short-circuiting switch configured so as to short-circuit a power supply line that outputs a first polarity voltage, out of a pair of power supply lines, and a second short-circuiting switch configured so as to short-circuit a power supply line that outputs a second polarity voltage, out of the pair of power supply lines. Upon switching the polarity from the first polarity to the second polarity, the control circuit turns off the first short-circuiting switch before the timing whereby the second inverter switch is turned on. | 2012-06-21 |
20120155142 | PHASE INTERPOLATORS AND PUSH-PULL BUFFERS - Interpolator systems are described utilizing one or more push-pull buffers to generate output clock signals that may be provided as inputs to a phase interpolator. The more linear slope on the output of the push-pull buffer may improve the linearity of a phase interpolator using the clock signals output from the push-pull buffers. | 2012-06-21 |
20120155143 | SEMICONDUCTOR DEVICE - A semiconductor device includes a plurality of gates of high voltage transistors configured to couple a plurality of global word lines to a plurality of local word lines and the plurality of local word lines arranged over each of the gates. The plurality of local word lines is arranged within a width of the gate. | 2012-06-21 |
20120155144 | FAST RESPONSE CIRCUITS AND METHODS FOR FRAM POWER LOSS PROTECTION - A circuit to protect data on an FRAM during a read operation includes an FRAM voltage regulator having an output to supply an FRAM operating voltage to the FRAM. A voltage monitor monitors a supply voltage for the FRAM to generate a voltage fault signal if the supply voltage falls below a predetermined value. And a circuit responsive to the voltage fault signal maintains the FRAM operating voltage above a voltage required to assure data integrity of the FRAM for a sufficient time required to perform an FRAM read operation. | 2012-06-21 |
20120155145 | High speed FRAM - A memory cell includes four transistors and two ferroelectric capacitors, wherein one of the two ferroelectric capacitors is positively polarized and another one of the two ferroelectric capacitors is negatively polarized for storing a non-inverting data and an inverting data, and a pair of access transistors is connected to the two ferroelectric capacitors, a pair of reset transistors is connected to the two ferroelectric capacitors, where a local bit line pair is connected to the pair of access transistors and a local sense amp is connected to the local bit line pair. By storing the non-inverting data and inverting data in the memory cell, there is no need to generate reference voltage when reading, which simplifies array configuration and enhances performance for reading and writing. | 2012-06-21 |
20120155146 | RESISTANCE-CHANGE MEMORY - According to one embodiment, a resistance-change memory includes memory cells between a bit line and a source line, each of the memory cells including a memory element and a cell transistor having a gate connected to a word line, an n-channel transistor having a gate to which a first control voltage is applied, and a current path connected to the bit line, and a p-channel transistor having a gate to which a second control voltage is applied, and a current path connected to the source line. When the memory cell is read, the potential of the bit line is controlled by the first control voltage, and the potential of the source line is controlled by the second control voltage. | 2012-06-21 |
20120155147 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device includes a memory cell array including memory cells each provided at individual intersection between a first wiring and a second wiring, the memory cell comprising a variable resistive element, and predetermined numbers of the memory cells shearing the same first wiring to configure a page; a first control circuit configured to select a page subjected to data-writing, and to supply a constant voltage to the first wiring belonging to the selected page; a writing-voltage generating circuit configured to generate plural kinds of writing voltages for programming a resistance of the variable resistive element to one of three or more values based on a write-in data specifying three or more values; and a second control circuit configured to select the page subjected to data-writing, and to supply the writing voltages to predetermined numbers of the respective second wirings belonging to the selected page. | 2012-06-21 |
20120155148 | RESISTANCE CHANGE MEMORY DEVICE - A resistance change memory device including: a cell array having a resistance change type of memory cells disposed at the cross-points of word lines and bit lines, the resistance value of the memory cell being reversibly settable; a word line driver circuit configured to apply a selecting drive voltage to one selected in the word lines; and a bit line driver circuit configured to drive multiple bit lines in such a manner that a set mode and a reset mode are set simultaneously for multiple memory cells selected by the selected word line, the set mode being for changing a selected memory cell from a first resistance state into a second resistance state while the reset mode is for changing a selected memory cell from the second resistance state into the first resistance state. | 2012-06-21 |
20120155149 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device includes: a cell array including a plurality of first wirings, a plurality of second wirings intersecting the first wirings, and memory cells positioned at intersecting portions between the first wirings and the second wirings, each of the memory cells having a series circuit of a non-ohmic element and a variable resistance element; a control circuit configured to apply a control voltage, which is necessary for the variable resistance element to transit from a low resistance state to a high resistance state, to the memory cells through the first wirings and the second wirings; and a bias voltage application circuit configured to apply a bias voltage, which suppresses a potential variation caused by the transition of the variable resistance element from the low resistance state to the high resistance state, to one end of the variable resistance element. | 2012-06-21 |
20120155150 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device with a novel structure, which can retain stored data even when power is not supplied (i.e., is non-volatile) and has no limitation on the number of write cycles. The semiconductor storage device includes a memory cell array in which a plurality of memory cells are arranged in matrix, a decoder configured to select a memory cell to operate among the plurality of memory cells in accordance with a control signal, and a control circuit configured to select whether to output the control signal to the decoder. In each of the plurality of memory cells, data is held by turning off a selection transistor whose channel region is formed with an oxide semiconductor. | 2012-06-21 |
20120155151 | Memory Device Having Memory Cells with Enhanced Low Voltage Write Capability - A memory device includes a memory array comprising a plurality of memory cells. At least a given one of the memory cells comprises a pair of cross-coupled inverters and associated write assist circuitry. The write assist circuitry comprises first switching circuitry coupled between a supply node of a device of the first inverter and a supply node of the memory cell, and second switching circuitry coupled between a supply node of a device of the second inverter and the supply node of the memory cell. The first and second switching circuitry are separately controlled such that during a write operation of the memory cell the supply node of one of the devices is connected to the supply node of the memory cell while the supply node of the other device is not connected to the supply node of the memory cell but is instead permitted to float. | 2012-06-21 |