06th week of 2014 patent applcation highlights part 32 |
Patent application number | Title | Published |
20140036496 | INNER LENS OPTICS FOR OMNIDIRECTIONAL LAMP - An optical element for a lamp or lighting apparatus having at least one light emitting diode (LED) as a light source is provided. The optical element is positioned proximate to the LED and receives light rays therefrom. In turn, the optical element distributes the substantially unidirectional light output from the LED into an omnidirectional output with a controlled variance in light intensity at different directions about the LED. A diffuser can also be used around the optical element and LED to provide further distribution of the light rays by e.g., light scattering. | 2014-02-06 |
20140036497 | LED LAMP - A lamp comprises an enclosure comprising a reflector and a lens where the reflector is made of thermally conductive material. A base is coupled to the enclosure. An LED is located in the enclosure and emits light when energized through an electrical path from the base. A heat sink comprises a heat dissipating portion that may be at least partially exposed to the ambient environment and a heat conducting portion that is thermally coupled to the LED. The reflector is thermally coupled to the heat sink and is exposed to the exterior of the lamp such that heat from the heat sink may be dissipated to the ambient environment at least partially through the reflector. | 2014-02-06 |
20140036498 | LIGHTING DEVICE - A lighting device may be provided that includes a light emitter including a plurality of LEDs; a reflective plate disposed on the light emitter; a diffuser plate disposed in a direction in which light emitted from the LED is irradiated; a case including the light emitter disposed therein and including a bottom plate and a side wall extending from both side ends of the bottom plate; and a connecting member extending from the side wall of the case and including a bracket coupler on at least one side thereof. The light emitter is disposed between the bottom plate of the case and the diffuser plate. | 2014-02-06 |
20140036499 | WHITE LIGHT SOURCE AND WHITE LIGHT SOURCE SYSTEM INCLUDING THE SAME - The present invention provides a white light source comprising a blue light emitting LED having a light emission peak of 421 to 490 nm and satisfying a relational equation of | 2014-02-06 |
20140036500 | ILLUMINATED STRIPE AND ILLUMINATED STRIPE SYSTEM - An illuminated stripe includes light-emitting light sources and a member for conducting current to the light sources and a casing part. The light sources and/or the member for conducting current to the light sources are at least in part surrounded with the casing part. At least a part of the casing part includes a first substance, and at least a part of the casing part includes a second substance. | 2014-02-06 |
20140036501 | VIRTUAL IMAGE DISPLAYING DECORATIVE BODY AND METHOD OF MANUFACTURING VIRTUAL IMAGE DISPLAYING DECORATIVE BODY - A virtual image displaying decorative body includes a unit array including pixel units arranged, and a light condensing element array including a plurality of light condensing elements, in which the light condensing elements are arranged at positions associated with the pixel units, and the light condensing element array includes the light condensing elements of which plan view shapes are ellipses. | 2014-02-06 |
20140036502 | BEACON LIGHT WITH REFLECTOR AND LIGHT EMITTING DIODES - The present invention is directed to a beacon light with a light emitting diode (LED) reflector optic. In one embodiment, the LED reflector optic includes a reflector having a plurality of reflecting surfaces and being associated with at least one optical axis, each reflecting surface including a curved cross-section and at least one LED positioned at a focal distance of a respective one of the plurality of reflecting surfaces. | 2014-02-06 |
20140036503 | DROP CEILING LIGHTING TECHNIQUES - Techniques and architecture are disclosed for integrating lighting into a dropped/suspended ceiling. In some cases, a light source (e.g., light emitting diodes, laser diodes, etc) can be operatively coupled with the support grid/matrix of a drop ceiling. In some instances, the light source can be mounted on the underside of a drop ceiling T-frame and configured to emit/direct light sideways and/or downward from the ceiling. In some other instances, the light source can be mounted on an interior portion of a T-frame and configured to emit/direct light: (1) into an adjacent lightguide configured to direct the light downward from the ceiling; and/or (2) onto an adjacent reflective ceiling tile configured to direct the light downward from the ceiling. Some such lighting fixtures can be configured to be substituted for a standard or custom drop ceiling tile. | 2014-02-06 |
20140036504 | OPTICAL SEMICONDUCTOR ILLUMINATING APPARATUS - Embodiments of the invention provide an optical semiconductor illuminating apparatus, which includes a heat dissipating base; a light emitting module comprising at least one semiconductor light emitting device and mounted on a lower side of the heat dissipating base; and a plurality of heat dissipating fins each having opposite edges protruding from opposite sides of the heat dissipating base and being mounted on an upper surface of the heat dissipating base. | 2014-02-06 |
20140036505 | LED Lighting System - An LED lamp having electronic components that power a plurality of LEDs arranged on a circuit board contained inside an elongated housing. The LED lamp may include connectors on both ends to allow serial connection of LED lamps through direct connection or use of an extension cord. | 2014-02-06 |
20140036506 | EXPANDABLE LIQUID VOLUME IN AN LED BULB - An LED bulb includes a shell, one or more LEDs, a thermally conductive liquid, and a liquid-volume compensator mechanism. The one or more LEDs are disposed within the shell. The thermally conductive liquid is held within the shell. The liquid-volume compensator mechanism is configured to compensate for expansion of the thermally conductive liquid. | 2014-02-06 |
20140036507 | ELECTRONIC DEVICE ENCLOSURE WITH MEDIA-SYNCHRONIZED LIGHTING - An electronic device enclosure includes a front bezel defining a first slot and a second slot; and a light assembly secured to the front bezel and including a lamp duct, a light guiding board, and one or more LED lamps. The lamp duct and the light guiding board are secured to the front bezel. The lamp is secured to the lamp duct. The light guiding board includes a light guiding rib aligned with the first slot. The lamp emits light or different lights according to the volume and different types of media played by the electronic device light. | 2014-02-06 |
20140036508 | HIGH CONTRAST WATER-PROOF LED LAMP - The present invention discloses a high contrast water-proof LED lamp, including: a casing provided with a reflective cup ( | 2014-02-06 |
20140036509 | LIGHTING DEVICE - The lighting device comprising: a reflector comprising a reflective part; a heat radiating body comprising a wall disposed around the reflective part of the reflector, wherein the wall comprises a bottom surface and a top surface; a light emitter comprising a substrate disposed on the bottom surface of the wall of the heat radiating body and a plurality of light emitting devices disposed on the substrate; and a cover comprising a reflective surface disposed under the bottom surface and reflecting a first light from the light emitting devices to the reflective part of the reflector, and having an opening emitting a second light from the reflective part of the reflector to outside. | 2014-02-06 |
20140036510 | LOW PROFILE MULTI-LENS TIR - In one aspect, an optical lens assembly (herein referred to also as an optic) is provided that comprises a plurality of lenses (or lens segments) adapted to receive light from a light source, each of said lenses (or lens segments) having an input surface and an output surface and a lateral surface extending between the input and output surfaces. The lenses are arranged relative to one another and positioned relative to the light source such that each of the lenses receives at its input surface a different portion of light emitted by the source, e.g., each lens receives at its input surface light emitted by the source into an angular subtense (solid angle) different than an angular subtense associated with another lens. Each lens (or lens segment) guides at least a portion of the received light to its output surface via reflection, e.g., via total internal reflection (TIR). | 2014-02-06 |
20140036511 | LED WORK LIGHT - A light emitting diode (LED) work light and associated method of controlling the LED work light. The LED work light includes a power source, a casing including a handle section, at least one LED mounted to illuminate light from the casing, at least one lens forward of the LEDs to focus light from the LEDs, a control switch designated to at least turn on and turn off the LEDs, and a controller. The controller may be configured to, in response to activation of the control switch, provide control of the power source to the LEDs to transition from a first illumination state to a second illumination state of the illumination of the LEDs, the transition being illumination defined by a specified function over time defined to slow a transition time of the transition. | 2014-02-06 |
20140036512 | LIGHTING BALLOON - A lighting balloon including a deformable envelope, at least one lighting mechanism mounted inside the envelope, and a supporting and stretching mechanism for the envelope, including a plate carrying the lighting mechanism and with a longitudinally extending distancing element mounted on the plate. The supporting and stretching mechanism co-operates with an apex and a base of the envelope to stretch the envelope in the longitudinal direction. The balloon further includes at least one shape-maintaining mechanism mounted on the envelope and arranged transversely in relation to the distancing element. | 2014-02-06 |
20140036513 | LIGHTING DEVICE AND LIGHTING DEVICE MANUFACTURING METHOD - A lighting device includes a light source component, a circuit board component, and a case component. The circuit board component is configured to supply power to the light source component. The case component houses the circuit board component in an interior of the case component. The circuit board component includes first and second circuit board components. The first circuit board component has a first mounting surface on which a first electronic part is mounted. The second circuit board component has a second mounting surface on which a second electronic part is mounted. The second mounting surface of the second circuit board component overlaps with the first mounting surface of the first circuit board component. | 2014-02-06 |
20140036514 | LED LIGHTING UNIT - An LED lighting unit includes a housing, a circuit board and a seal member. The seal member includes a seal main body inserted into the housing in an insertion direction, a wire insertion portion, a protrusion piece protruded from a rear surface of the seal main body opposite to the insertion direction. A holder is arranged at a side of an opening of the housing relative to the seal member and includes a guide base inserted into the housing, a protruded wire guide portion protruded from a front end surface of the guide base and arranged at a position facing the wire insertion portion within the housing, and a wire lead portion leading the electric wire from a position adjacent to the guide base to an external. The opened surface of the housing coincides with a rear end surface of the guide base at within the housing. | 2014-02-06 |
20140036515 | SURFACE MOUNT CIRCUIT BOARD INDICATOR - The present invention is directed to a surface mount circuit board indicator. In one embodiment the surface mount circuit board indicator includes a printed circuit board (PCB) having at least one light emitting diode (LED) die, one or more traces and at least one lens, a housing comprising at least one opening on a side along a perimeter of the housing, wherein the PCB is coupled to the housing such that a light output surface of the at least one LED die faces a same direction as the at least one opening and at least one alignment pin coupled to the housing. | 2014-02-06 |
20140036516 | LOW-PROFILE LED HEAT MANAGEMENT SYSTEM - This disclosure provides systems, methods and apparatus for low-profile lighting systems. In one aspect, an LED-based light engine, which may be thinner and/or lighter than conventional light engines, may be retained in both conventionally-dimensioned and low-profile light fixtures. In another aspect, a light engine can include both convective and conductive heat transfer components, the efficacy of which will vary based on the dimensions of a light fixture in which the light engine is installed. | 2014-02-06 |
20140036517 | PENDANT LIGHT FIXTURE - A pendant fixture comprising a first body portion having a threaded stud formed thereon, wherein the threaded stud is configured to receive a spider fitting of a lampshade when the lampshade is installed on the pendant fixture. A second body portion having a first half defining a threaded bore therein and a second half defining a second bore therethrough is rotatably coupled to the first body portion by the threaded stud and bore. A power cord having a first end for mounting to a structure, and a second end that is received through the second body portion second bore provides power to the first body portion. A length of power cord adjacent to the power cord second end defines a flexible and adjustable C-shaped cord portion intermediate the first body portion and the second body portion. | 2014-02-06 |
20140036518 | LAMP WITH DESK ORGANIZER AND ELECTRONICS STAND - A desk lamp includes an organizer for desktop items and stand for electronic devices. The lamp has a support with a surface for receiving an organizer. The organizer has at least one or more cavities. The walls of one or more adjacent cavities define one or more slots which can be shaped to receive an electronic device. The desk lamp further includes a neck for coupling a terminal housing to the support. A bulb socket is attached to the terminal housing to receive a light bulb. A power cord electrically couples the bulb socket to a battery compartment or to an electrical plug. In addition the lamp can include a power outlet that is electrically coupled to the power cord as well as a transformer and a charging circuit for electrically providing power to other devices. | 2014-02-06 |
20140036519 | SPIRALING SUPPORT TUBE - A support tube is formed of a length of flexible material that is shaped into a spiraling coil. The coils can be tightened by twisting to form a rigid tube. By twisting and lengthening the coils, the rigid tube can be adjusted as desired to have an appropriate diameter and length. The friction between the overlapped coils secures the tube once tightened. Different materials and modifications to the material, such as an abutment, can be made to customize the spiraling support tube for a desired function. | 2014-02-06 |
20140036520 | CONTROLLABLE ON/OFF DEVICE FOR AN AUXILIARY LIGHT - A controllable on/off device for an auxiliary light contains: a lamp module having a body in which a driving unit connecting with an illuminating element, the body including a first conducting piece coupling with a cathode contact point of the driving unit and a second conducting piece coupling with a negative contact point of the driving unit; a base fixed under the lamp module and including a conduction element corresponding to the first conducting piece and the second conducting piece; a pivotal clutch mechanism defined between the lamp module and the base so that the lamp module is axially rotated and shifted between a first rotating range and a second rotating range and drives the lamp module to move vertically, such that the first conducting piece and the second conducting piece are driven to contact with or leave from the conduction element, thus turning on or off the illuminating element. | 2014-02-06 |
20140036521 | ROADWAY AND STREET LIGHTING APPARATUS AND ARRANGEMENT - A roadway and street lighting apparatus ( | 2014-02-06 |
20140036522 | VEHICULAR LAMP - A vehicular lamp, has a light guide extending in a predetermined direction, and having an end surface located in the predetermined direction thereof, and a light source configured to cause light to be incident on the light guide from the end surface, and configured to emit the light incident from the end surface from a front surface portion of the light guide. Reflective elements that reflects the light incident on the light guide toward the front surface portion of the light guide are formed at a plurality of positions along the predetermined direction on a rear surface portion of the light guide. Each of the reflective elements is comprises a curved surface profile in a cross-section along a plane perpendicular to the predetermined direction. | 2014-02-06 |
20140036523 | Optical Module of a Lighting and/or Signaling Device for a Motor Vehicle - Optical module for a lighting and/or signaling device of a motor vehicle, in particular a headlight, comprising:
| 2014-02-06 |
20140036524 | VEHICULAR HEADLAMP - A vehicular headlamp has a projection lens, a light source disposed behind a rear focal point of the projection lens, and a reflector that reflects light from the light source forward. The vehicular headlamp forms a forward light distribution pattern. The vehicular headlamp includes a plate-like shade having a front-end portion positioned in the vicinity of the rear focal point of the projection lens to form a cut-off line of the forward light distribution pattern. The shade extends rearward and obliquely downward from the front-end portion. An overhead sign reflective surface is provided on a lower surface of the shade. The overhead sign reflective surface reflects light from the reflector toward the projection lens to form a part of an overhead sign distribution pattern. A dark portion forming portion is formed on the overhead sign reflective surface | 2014-02-06 |
20140036525 | HYBRID OPTICS LED HEADLAMP - An optical system that collects 100% of the light emitted from the light source and effectively directs it into the desired beam pattern. This is achieved by a combination of different optical control methods including reflector and lens optics. The cost is controlled by a design that reduces the optical part count to 2 main components, which reduces manufacturing and assembling time and maintains proper alignment to the light source and system. | 2014-02-06 |
20140036526 | VEHICLE LIGHTING UNIT - A vehicle lighting unit can include a daytime running lamp (DRL) function and a light emission unit that can be miniaturized. The vehicle lighting unit can include a headlamp (HL) unit having a HL light guiding lens and a DRL unit. The HL light guiding lens can include a light incident surface in front of a light source LED for HL, a front reflection surface, a rear reflection surface, and a light-transmitting section. The front reflection surface can internally reflect light from the light incident surface obliquely rearward and downward. The rear reflection surface can internally reflect the light from the front reflection surface. The light-transmitting section is disposed between the front and rear reflection surfaces in terms of its vertical direction. The DRL unit can be disposed behind the light-transmitting section, so that light from the DRL unit can pass through the light-transmitting section and projected forward. | 2014-02-06 |
20140036527 | LIGHT DISTRIBUTION SYSTEM COMPRISING SPECTRAL CONVERSION MEANS - A system for the distribution of white light is configured for guiding light with a multitude of visible wavelengths in a propagation direction from the supply side to the distribution side. The system includes a transport fibre and a spectral conversion fibre. The transport fibre has a length extending from a first end to a second end, and a spectral transmission characteristics. The transport fibre is operationally connected to the spectral conversion fibre having a length extending from an input end to an output end. The spectral conversion fibre includes a photoluminescent agent for converting light of a first wavelength to light of a second, longer wavelength. A spectral conversion characteristics of the spectral conversion fibre is essentially determined by the spectral absorption and emission properties of the photoluminescent agent, the amount of photoluminescent agent, and the distribution of the photoluminescent agent in the spectral conversion fibre. | 2014-02-06 |
20140036528 | LIGHT GUIDING PLATE, MANUFACTURING METHOD THEREOF, AND BACKLIGHT UNIT INCLUDING LIGHT GUIDING PLATE - A light guiding plate includes: a light guiding substrate; and a plurality of optical scattering patterns positioned on a first surface of the light guiding substrate. The plurality of optical scattering patterns respectively includes a binder, a scattering particle and a semiconductor nanocrystal. A color of light emitted from the plurality of optical scattering patterns is substantially the same. | 2014-02-06 |
20140036529 | LIGHT SOURCE DEVICE, DISPLAY UNIT, AND ELECTRONIC APPARATUS - A display unit includes: a display section displaying an image; and a light source device emitting light for image display toward the display section, the light source device including one or more first light sources, a light guide plate, and an optical member, the first light sources emitting first illumination light, the light guide plate including a plurality of scattering regions that allow the first illumination light to be scattered and then to exit from the light guide plate, the optical member being disposed on a light-emission side of the light guide plate to face the light guide plate and allowing an angular distribution of luminance of the first illumination light emitted from the light guide plate to be varied. | 2014-02-06 |
20140036530 | BACKLIGHT MODULE AND LCD COMPRISING THE SAME - A backlight module comprises a backplate having a baseplate and side plates, a direct-lit LED array, edge-lit LED arrays and a light guide panel. The light guide panel is located above the baseplate. The direct-lit LED array is disposed between the baseplate and the light guide panel. The edge-lit LED arrays are disposed at two sides of the light guide panel and facing light incident surfaces thereof respectively. Light scattering structures for scattering light rays are disposed on a light exiting surface or on a bottom surface of the light guide panels. With the LED arrays and the light scattering structures, the light guide panel is divided into three backlight regions. Displaying of the backlight module is controlled region by region by the light scattering structures and the LED drive circuit to improve the brightness of the backlight module and reduce the power consumption of the liquid crystal module. | 2014-02-06 |
20140036531 | Backlight Unit and Display Apparatus Having the same - A backlight unit includes a light source that emits light and a light guide plate disposed adjacent to the light source. The light guide plate includes an incident surface to which light is incident, an exit surface from which light incident through the incident surface exits, a reflection surface facing the exit surface to reflect the incident light, and a plurality of lenticular protrusions disposed on the exit surface. The reflection surface includes an inclined surface proximal to the incident surface and inclined with respect to the exit surface. | 2014-02-06 |
20140036532 | DISPLAY DEVICE - Disclosed is a display device. The display device includes a light source; a wavelength conversion member to convert a wavelength of light generated from the light source; and a light guide member to guide the light converted by the wavelength conversion member, wherein the wavelength conversion member is disposed in an insertion hole formed in the light guide member. | 2014-02-06 |
20140036533 | DUAL MODE LCD BACKLIGHT - LCD backlighting systems, and particularly LCD backlighting systems used in connection with night vision systems, may be configured to achieve reduced cost, reduced volume, and other desirable outcomes by use of a dual-mode configuration. In a dual-mode configuration, certain light sources are active in both day mode and night mode operation. Night mode light sources may be IR filtered in order to prevent disruption of operation of night vision equipment. | 2014-02-06 |
20140036534 | OPTICAL SHEET GUIDE MEMBER, AND BACKLIGHT UNIT HAVING THE OPTICAL SHEET GUIDE MEMBER - A backlight unit includes a light source which supplies light; a light guide which transmits the light; an optical sheet on the light guide, and including a guide member extending from a side surface of the optical sheet; and a reflection sheet under the light guide. The reflection sheet reflects the light toward the optical sheet and includes a protrusion guide member which extends from a side surface of the reflection sheet and toward the light guide. The guide member of the optical sheet is coupled to the protrusion guide member of the reflection sheet, and restricts movement of the optical sheet. | 2014-02-06 |
20140036535 | BACKLIGHT MODULE AND AN LED LIGHT BAR THEREOF - A backlight module and a light emitting diode (LED) light bar thereof are proposed. The backlight module includes a plurality of LEDs, at least one circuit board, a heat sink, a plurality of screws, and a light guide plate (LGP). The plurality of LEDs are arranged on the at least one circuit board. A plurality of screws are arranged on the at least one circuit board and the arrangement method thereof depends on temperature distribution of the at least one circuit board. The plurality of screws are inserted between the plurality of LEDs and are arranged at an unequally distance so that temperature can be evenly distributed over the LED light bar, thereby improving image quality of display devices. | 2014-02-06 |
20140036536 | MEMS SHUTTER CONTROL FOR A DISPLAY UTILIZING QUANTUM DOTS - A display that utilizes a microelectromechanical (MEMS) shutter module in order to accommodate a quantum dot sheet outside of the display backlight is provided. The MEMS shutter module can be placed either above or below the quantum dot sheet in order to more efficiently control the color at each individual pixel, when the color is being rendered from the isotropic emissions of the quantum dot sheet. | 2014-02-06 |
20140036537 | Liquid Crystal Display Device - A backlight device includes a frame with a first opening having a first side, a second side, a third side, and a fourth side, a planar light source which is disposed in the first opening of the frame, a plurality of optical sheet groups which are disposed on the planar light source and include a first optical sheet group and a second optical sheet group, and an adhesive layer which has a second opening formed along the first, second, third, and fourth sides of the frame. The first optical sheet group is fixed to the frame via the adhesive layer at the second, third, and fourth sides of the frame, and the second optical sheet group is fixed to the frame at the first side of the frame and is not fixed to the frame at the second, the third, and fourth sides of the frame. | 2014-02-06 |
20140036538 | COATINGS TO ELIMINATE LED HOT SPOTS - A display that contains a backlight that incorporates an optical coating either on or above the light guide in order to reduce the appearance of optical hotspots on the display is provided. The optical coating can be patterned to correspond to the position of each light emitting diode in the display and can be made, as an example, from either reflective, diffusive or dichroic material. The coating can work to overcome the hotspots created by insufficient light mixing distance in the backlight. | 2014-02-06 |
20140036539 | DISPLAY HAVING A SEPARATE LIGHT SOURCE - The present invention relates to a display device using a separate light source, and the display device includes: a light guide including a plurality of corners and a plurality of edges connecting the corners to each other; a printed circuit board (PCB) disposed at at least one of the plurality of corners of the light guide; at least one light source disposed on the PCB; a display panel overlapping the light guide; and an auxiliary function module disposed proximate to an edge of the light guide connected to the corner where the light source is disposed, wherein the edge of the light guide connected to the corner where the light source is disposed has a depressed portion, and the auxiliary function module is disposed in correspondence with the depressed portion. | 2014-02-06 |
20140036540 | LIGHT SOURCE MODULE AND BACKLIGHT ASSEMBLY HAVING THE SAME - In a light source module and a backlight assembly having the light source module, the light source module includes a flexible printed circuit board; a light source part on an upper surface of the flexible printed circuit board and including a light emitting chip; a substrate on a lower surface of the flexible printed circuit board; and a heat dissipating part which extends from the light emitting chip and contacts the substrate. | 2014-02-06 |
20140036541 | SPREAD ILLUMINATING APPARATUS - A spread illuminating apparatus includes a plurality of point light sources; a printed circuit board on which the plurality of point light sources is each mounted; and a light guide plate with a light input surface facing the point light source and a light output portion that exits plane light emitted from the point light source and introduced through the light input surface, wherein the light guide plate includes an inclination portion between the light input surface and the light output portion, the inclination portion having a thickness gradually decreasing toward the light output portion side, an inclined surface of the inclination portion includes a pedestal for disposing the printed circuit board in an area except the front of the point light source, and a light-blocking member is disposed between the neighboring pedestals. | 2014-02-06 |
20140036542 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface. | 2014-02-06 |
20140036543 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a light guide plate arranged inside the backplane, and a backlight source mounted to the backplane. The backlight source includes a circuit board and a plurality of LED lights mounted to the circuit board and electrically connected to the circuit board. The circuit board includes a mounting section and a bent section connected to the mounting section. The LED lights are mounted to the mounting section. The bent section is coupled to the backplane. The light guide plate is supported on the bent section. The side-edge backlight module of the present invention uses a MCPCB having a bent section to replace the conventional heat dissipation arrangement that attaches an MCPCB through thermal paste to an aluminum extrusion in order to improve the performance of heat dissipation and enhance the quality of backlight module. | 2014-02-06 |
20140036544 | Combined Low Power Isolated Power Supply with Isolated Data Transfer - An apparatus for generating an isolated power supply voltage and an isolated data signal includes a first pulse generation circuit configured to generate a first pulse signal and a second pulse generation circuit configured to generate a second pulse signal based on an input pulse width modulation (PWM) signal. A transformer circuit including a transformer is coupled to the first pulse generation circuit and to the second pulse generation circuit. The transformer is configured to generate an output pulse signal based on the first pulse signal and the second pulse signal. An isolated power supply circuit is coupled to the transformer circuit and is configured to generate an isolated power supply voltage based on the output pulse signal. A latch circuit is coupled to the transformer circuit and is configured to generate an isolated PWM signal based on the output pulse signal. | 2014-02-06 |
20140036545 | LLC CONVERTER WITH DYNAMIC GAIN TRANSFORMATION FOR WIDE INPUT AND OUTPUT RANGE - A resonant power converter system includes an output load and a rectifier stage that provides a DC output voltage to the output load from an AC intermediate voltage. The resonant power converter system also includes a resonant inverter stage that provides the AC intermediate voltage from a DC input voltage, wherein an inverter gain is controlled by switching between full-bridge and half-bridge topologies based on an external variable of the resonant power converter system. The resonant power converter system further includes a controller that controls the resonant power converter system. Additionally, a method of operating a power converter includes rectifying an AC intermediate voltage to provide a DC output voltage and providing the AC intermediate voltage by inverting a DC input voltage, wherein an inversion gain of the AC intermediate voltage is controlled by switching between full-bridge and half-bridge inversion topologies based on an external variable. | 2014-02-06 |
20140036546 | POWER SUPPLY APPARATUS, IMAGE FORMING APPARATUS, AND INTEGRATED CIRCUIT - The power supply apparatus is configured to detect the output voltage of a piezoelectric transformer and controls the frequency of a pulse signal to drive the piezoelectric transformer based on the detected output voltage and a preset target voltage so as to perform feedback control of the output voltage of the piezoelectric transformer, the gain when performing the feedback control is switched in accordance with the target voltage. | 2014-02-06 |
20140036547 | POWER SUPPLY DEVICE - A power supply device includes a control unit performing PFM control for a switching element, a voltage detection unit detecting an output voltage of a converter, and a signal generation circuit. The control unit calculates a first control command value based on the output voltage, calculates a new first control command value adjusting the output voltage to a target voltage, calculates a difference value therebetween, and outputs a voltage, which has a polarity corresponding to the difference value, for a first output period corresponding to the difference value. The signal generation circuit generates a pulse signal in which a frequency increases or decreases in accordance with a first command value voltage corresponding to a charged voltage at a storage element according to the new first control command value. The switching element is driven by the pulse signal that has a finer adjustment unit frequency. | 2014-02-06 |
20140036548 | CONTROL CIRCUIT WITH FAST DYNAMIC RESPONSE FOR POWER CONVERTERS - A control circuit of a power converter is provided. It comprises a voltage detection circuit detecting a reflected signal for generating a voltage-loop signal. A current detection circuit detects a current of a transformer for generating a current-loop signal. An oscillator generates an oscillation signal in accordance with an output load of the power converter. A PWM circuit generates a switching signal according to the voltage-loop signal, the current-loop signal and the oscillation signal for regulating an output of the power converter. A load detection circuit receives a detection signal through an signal-transfer device for increasing a switching frequency of the switching signal. The detection signal is generated once the output is lower than a low-voltage threshold. The oscillation signal determines the switching frequency of the switching signal. The control circuit reduces the voltage drop of the output when the output load is changed. | 2014-02-06 |
20140036549 | Switching Power Converter Dynamic Load Detection - A secondary-side dynamic load detection system and method rapidly identifies when a dynamic load has been placed on the output (e.g., when an electronic device is re-connected to the switching power converter). Once a dynamic load condition has been detected by the secondary side detector, a dynamic load detection signal is communicated from the secondary side of the switching power converter to a switch controller on the primary side. The switch controller can then quickly adapt switching in response to the dynamic load condition. | 2014-02-06 |
20140036550 | CONTROL CIRCUIT OF FLYBACK POWER CONVERTER WITH BIDIRECTIONAL COMMUNICAITON CHANNEL - A control circuit of an isolated flyback power converter providing bidirectional communication. The control circuit includes a pulse width modulation circuit, an oscillator, a primary transceiver, a secondary error amplifier and a secondary transceiver. The primary transceiver generates a feedback signal and a pulse-position signal. The secondary error amplifier generates an error signal in accordance with an output voltage of the power converter. The secondary transceiver generates a pulse modulation signal for transmitting the data from the secondary side to the primary side, and generates a frequency signal in response to a switching voltage of the transformer. The frequency signal is demodulated as the data transmitted from the primary side to the secondary side. The feedback signal is correlated to the error signal. The pulse-position signal is correlated to the pulse modulation signal. The error signal and the pulse modulation signal are coupled to an input of an optical coupler. | 2014-02-06 |
20140036551 | METHOD AND APPARATUS FOR ON/OFF CONTROL OF A POWER CONVERTER - A power converter includes an energy transfer element coupled between a power converter input and a power converter output. A power switch is coupled to the energy transfer element and the power converter input. A feedback sampling circuit is coupled to receive a feedback signal representative of the power converter output to generate at least one feedback signal sample during each switching cycle. A switch conduction scheduling circuit is coupled to set a number of enabled cycles and a number of disabled cycles of the power switch in a plurality of future switching cycles in response to the feedback signal samples for each present switching cycle and one or more past switching cycles. A switch conduction control circuit is coupled to enable or disable conduction of the power switch during a switching cycle to control an amount of energy transferred from the power converter input to the power converter output. | 2014-02-06 |
20140036552 | SEMICONDUCTOR DEVICE PROVIDED WITH SWITCHING POWER SUPPLY DEVICE WITH INTERMITTENT OSCILLATION CONTROL - A control circuit varies an intermittent oscillation frequency using a period signal. A period signal period signal frequency is set to a frequency lower than the intermittent oscillation frequency, or is set to be higher than the intermittent oscillation frequency and to a frequency other than integer multiples of the intermittent oscillation frequency. The phase difference of the period signal with respect to an intermittent oscillation control signal is set so that the distribution of the intermittent oscillation frequency is dispersed. | 2014-02-06 |
20140036553 | DRIVE TRAIN COMPRISING A DOUBLY FED ELECTRIC MACHINE AND A BAND STOP FILTER CONNECTED BETWEEN AN INVERTER AND THE ROTOR OF THE MACHINE - A drive train comprising an electric machine including a rotor and a stator, the stator being electrically connected to an alternating grid and having a stator frequency, and a bidirectional system for converting an alternating current into another alternating current. The conversion system is connected between the grid and the rotor, and comprises an ac/dc converter connected to the network, and an inverter connected between the ac/dc converter and the rotor, the inverter and the rotor being interconnected at an intermediate point for each phase of the alternating voltage. The drive train comprises a band-stop filter for a target interval of between 0.6 times the stator frequency and 1.4 times the stator frequency, said band-stop filter being connected between the intermediate points and attenuating the voltage at the intermediate point for the frequencies of the target interval. | 2014-02-06 |
20140036554 | POWER CONVERSION WITH CURRENT SENSING COUPLED THROUGH SATURATING ELEMENT - An architecture for current-modulating power-handling circuits, such as power converters, where a small saturating inductance is used to obtain a pulse edge when the main current value crosses zero. | 2014-02-06 |
20140036555 | Intelligent Level Transition Systems and Methods for Transformerless Uninterruptible Power Supply - Systems and methods are provided for controlling an uninterruptible power supply (UPS) to transition between three- or higher-level operation and two-level operation in a neutral-point-clamped (NPC) inverter. In an example, a UPS system includes an NPC inverter and a controller. The NPC inverter may supply power to a load. The controller may control the inverter to operate in a three-level mode or higher when the load is substantially balanced and to operate in a two-level mode when the load is substantially unbalanced. | 2014-02-06 |
20140036556 | SEMICONDUCTOR DEVICE AND SWITCHING REGULATOR USING THE DEVICE - The semiconductor device according to the present invention has an n-channel output transistor wherein an input voltage is impressed on a drain, and a pulsed switching voltage that corresponds to a switching drive of the transistor is brought out from a source; a bootstrap circuit for generating a boost voltage enhanced by a predetermined electric potential above the switching voltage; an internal circuit for receiving a supply of the boost voltage to generate a switching drive signal, and supplying the signal to a gate of the output transistor; an overvoltage protection circuit for monitoring an electric potential difference between the switching voltage and the boost voltage, and generating an overvoltage detection signal; and a switching element for establishing/blocking electrical conduction between the internal circuit and the end impressed with the boost voltage, in accordance with the overvoltage detection signal. | 2014-02-06 |
20140036557 | CASCADED H-BRIDGE (CHB) INVERTER LEVEL SHIFT PWM WITH ROTATION - Cascade H-Bridge inverters and carrier-based level shift pulse width modulation techniques are presented for generating inverter stage switching control signals, in which carrier waveform levels are selectively shifted to control THD and to mitigate power distribution imbalances within multilevel inverter elements using either complementary carrier or complementary reference modulation techniques. | 2014-02-06 |
20140036558 | Power Controllers, Power Supplies and Control Methods Therefor - Disclosure includes an exemplified power controller for controlling a power switch in a power supply. The power supply converts an input power source into an output power source. The exemplified power controller comprises a maximum frequency maker, a voltage detector, and a logic circuit. Based on dependence of a maximum switching frequency upon a compensation signal, the maximum frequency maker provides a control signal with a minimum switching cycle. The compensation signal correlates to an output power from the output power source, and the minimum switching cycle is the reciprocal of the maximum switching frequency. The voltage detector detects a line voltage of the input power source. The logic circuit controls the power switch in response to the control signal, and makes a switching cycle of the power switch not less than the minimum switching cycle. The line voltage determines the dependence. | 2014-02-06 |
20140036559 | POWER SUPPLY MONITORING CIRCUIT, AC/DC CONVERSION APPARATUS AND CONTROL METHOD OF POWER SUPPLY MONITORING CIRCUIT - There is provided a power supply monitoring circuit including a holding part holding, every time a local maximum value of a power supply voltage which fluctuates is detected, the local maximum value as a local maximum voltage value, a power stop detector detecting whether or not supply of the power supply voltage is stopped based on whether or not a state that a value of the power supply voltage is smaller than a first reference value according to the local maximum voltage value continues longer than a predetermined period, and a reference value controller decreasing the first reference value during a period in which the value of the power supply voltage exceeds a second reference value smaller than the first reference value and in which stop of the supply of the power supply voltage is detected. | 2014-02-06 |
20140036560 | CIRCUIT AND METHOD FOR MEASURING AVAILABLE POWER IN A WIRELESS POWER SYSTEM - A resonant wireless power receiver that includes an electromagnetic resonator having one or more inductive elements that are arranged to form a receiver coil and a network of passive components arranged to form a matching network. A rectifier circuit converts ac power from the electromagnetic resonator to dc power. An available-power indicator measures the rectified power to assess the instantaneous power available to the receiver. | 2014-02-06 |
20140036561 | CONVERTER AND SEMICONDUCTOR DEVICE - A converter includes: a bridge diode; an X capacitor provided upstream of the bridge diode; a smoothing capacitor provided downstream of the bridge diode; an AC shutoff detection circuit which outputs an AC shutoff detection signal when input AC voltage is shut off; and a discharging circuit which is connected to a connection point at which the cathode of the bridge diode and the smoothing capacitor are connected, and allows residual charges in the smoothing capacitor and the X capacitor to be discharged when the AC shutoff detection signal is output, and the discharging circuit includes a JFET which has a drain terminal connected to the above connection point and lowers discharge voltage; and a first discharging switch element connected to the source terminal of the JFET. | 2014-02-06 |
20140036562 | METHOD FOR ACTUATING THE SWITCHING TRANSISTORS OF A RECTIFIER - The invention relates to a method for actuating the switching transistors of a rectifier which is provided for converting the phase voltages that are provided by a vehicle generator into a direct current voltage. Each switching transistor comprises a parasitic diode. An activation signal for initiating the conducting phase and a de-activation signal for ending the conducting phase are supplied to each control terminal of the switching transistors. A timer is started simultaneously with the provision of an activation signal and the de-activation signal is provided once a predetermined time period has passed. | 2014-02-06 |
20140036563 | Quadrature-Corrected Feedforward Control Apparatus and Method for DC-AC Power Conversion - An apparatus and method for controlling the delivery of a pre-determined amount of power from a DC source to an AC grid includes an inverter and an inverter controller. The inverter includes an input converter, an energy storage capacitor, and an output converter. The inverter controller includes an input converter controller and an output converter controller. The input converter controller includes feedforward controller configured to perform a calculation to determine a value for the duty cycle for the input converter such that: (1) the input converter delivers the pre-determined amount of power and (2) the magnitude of a ripple signal reflected into the input source is attenuated toward zero. The input converter controller may also include a quadrature corrector configured to determine the effectiveness of the calculation in attenuating the ripple and to adaptively alter the calculation to improve the effectiveness. | 2014-02-06 |
20140036564 | NON-VOLATILE MEMORY DEVICE WITH CLUSTERED MEMORY CELLS - An embodiment of a non-volatile memory device includes: a memory array, having a plurality of non-volatile logic memory cells arranged in at least one logic row, the logic row including a first row and a second row sharing a common control line; and a plurality of bit lines. Each logic memory cell has a direct memory cell, for storing a logic value, and a complementary memory cell, for storing a second logic value, which is complementary to the first logic value in the corresponding direct memory cell. The direct memory cell and the complementary memory cell of each logic memory cell are coupled to respective separate bit lines and are placed one in the first row and the other in the second row of the respective logic row. | 2014-02-06 |
20140036565 | MEMORY DEVICE AND METHOD OF MANUFACTURING MEMORY STRUCTURE - An exemplary memory device includes a substrate and two word lines extending on the substrate. The substrate includes an active area. The two word lines are formed on the active area. Each word line includes a recessed portion corresponding to the active area. The recessed portion is defined by a planar top surface. | 2014-02-06 |
20140036566 | Discrete Three-Dimensional Memory Comprising Dice with Different BEOL Structures - The present invention discloses a discrete three-dimensional memory (3D-M). It comprises at least a 3D-array die and at least a peripheral-circuit die. At least a peripheral-circuit component of the 3D-M is located on the peripheral-circuit die instead of the 3D-array die. The 3D-array die and the peripheral-circuit die have substantially different back-end-of-line (BEOL) structures, e.g. different number of BEOL layers, different number of interconnect layers, and/or different interconnect materials. | 2014-02-06 |
20140036567 | 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. | 2014-02-06 |
20140036568 | RERAM DEVICE STRUCTURE - A resistive random access memory (ReRAM) device can comprise a first metal layer and a first metal-oxide layer on the first metal layer. The first metal-oxide layer comprises the first metal. A second metal layer can comprise a second metal over and in physical contact with the first metal-oxide layer. A first continuous non-conductive barrier layer can be in physical contact with sidewalls of the first metal layer and sidewalls of the first metal-oxide layer. A second metal-oxide layer can be on the second metal layer. The second metal-oxide layer can comprise the second metal layer. A third metal layer can be over and in physical contact with the second metal-oxide layer. The first and second metal-oxide layers, are further characterized as independent storage mediums. | 2014-02-06 |
20140036569 | RESISTIVE MEMORY DEVICE - A resistive memory device includes a first cell array configured to store data, a second cell array configured to share column lines of the first cell array, a first error correction cell array configured to store an error correction code that corresponds to the data to be stored in the first cell array, and a second error correction cell array configured to share column lines of the first error correction cell array. | 2014-02-06 |
20140036570 | OPERATING METHOD FOR MEMORY DEVICE AND MEMORY ARRAY AND OPERATING METHOD FOR THE SAME - An operating method for a memory device and a memory array and an operating method for the same are provided. The operating method for the memory device comprises following steps. A memory device is made being in a set state. A method for making the memory device being in the set state comprises applying a first bias voltage to the memory device. The memory device in the set state is read. A method for reading the memory device in the set state comprises applying a second bias voltage to the memory device. A recovering bias voltage is applied to the memory device. The step for applying the recovering bias voltage is performed after the step for applying the first bias voltage or the step for applying the second bias voltage. | 2014-02-06 |
20140036571 | SEMICONDUCTOR MEMORY DEVICE AND OPERATION METHOD THEREOF - A semiconductor memory device according to an embodiment includes a control circuit configured to apply a first voltage to a selected first line, apply a second voltage to a selected second line, and apply a third voltage and a fourth voltage to a non-selected first line and a non-selected second line in a setting operation, respectively. The control circuit includes a detection circuit configured to detect a transition of a resistance state of a selected memory cell using a reference voltage. The control circuit is configured to execute a read operation in which the control circuit applies the third voltage to the selected first line and the non-selected first line, applies the second voltage to the selected second line, and applies the fourth voltage to the non-selected second line, and set the reference voltage based on a voltage value of the selected second line. | 2014-02-06 |
20140036572 | METHOD FOR DRIVING NONVOLATILE STORAGE ELEMENT, AND NONVOLATILE STORAGE DEVICE - Provided is a method for driving a variable resistance nonvolatile storage element that can improve the information holding capability. The method includes: determining whether or not a current that flows through the nonvolatile storage element is larger than or equal to a first verify level IRL (Verify); determining whether or not a current that flows through the nonvolatile storage element is smaller than or equal to a second verify level IRH (Verify); and determining that the nonvolatile storage element is in the second resistance state when the current that flows through the nonvolatile storage element is smaller than a current reference level Iref, and determining that the nonvolatile storage element is in the first resistance state when the current is larger than the current reference level Iref, the current reference level Iref satisfying (IRL (Verify)+IRH (Verify))/22014-02-06 | |
20140036573 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a memory cell array having a plurality of memory cells arranged in a matrix, each memory cell being configured such that a variable resistance element and a selection transistor are connected in series. A set operation for a memory cell (an operation of converting the resistance of the variable resistance element to a low resistance) is performed by applying a set voltage pulse for a longer time than that for a reset operation (an operation of converting the resistance of the variable resistance element to a high resistance) while limiting, using the selection transistor, an electric current flowing in the set operation to a certain low electric current, and by simultaneously applying the set voltage pulse to the plurality of memory cells. | 2014-02-06 |
20140036574 | METHOD FOR NONDESTRUCTIVELY READING RESISTIVE MEMORY ELEMENTS - A method for reading out a memory element comprises a series connection. of at least two memory cells A and B each have a stable state A0 or B0 having higher resistance and a stable state A1 or B1 having lower electrical resistance. An electrical variable of the series circuit is measured and an electrical variable is selected for this measurement, to which the memory cell A in state A0 makes a different contribution than the memory cell B in state B0 and/or to which the memory cell A instate A1 makes a different contribution than the memory cell B in state B1. The two state combinations A1 and B0 or A0 and B1 then result in differing values for the electrical variable that is measured by way of the series circuit. These state combinations can thus be distinguished from each other without having to change the logic state of the memory element during reading. | 2014-02-06 |
20140036575 | VARIABLE RESISTANCE MEMORY DEVICE AND RELATED METHOD OF OPERATION - A variable resistance memory device comprises a variable resistance memory cell, a switch that selectively passes a write voltage to an input terminal of the variable resistance memory cell, and a trigger circuit that controls the switch to cut off the write voltage from the input terminal upon determining that the variable resistance memory cell is programmed to a target state by detecting voltage fluctuation of the one side of variable resistance memory cell. | 2014-02-06 |
20140036576 | ELECTRONIC DEVICES CONTAINING SWITCHABLY CONDUCTIVE SILICON OXIDES AS A SWITCHING ELEMENT AND METHODS FOR PRODUCTION AND USE THEREOF - In various embodiments, electronic devices containing switchably conductive silicon oxide as a switching element are described herein. The electronic devices are two-terminal devices containing a first electrical contact and a second electrical contact in which at least one of the first electrical contact or the second electrical contact is deposed on a substrate to define a gap region therebetween. A switching layer containing a switchably conductive silicon oxide resides in the gap region between the first electrical contact and the second electrical contact. The electronic devices exhibit hysteretic current versus voltage properties, enabling their use in switching and memory applications. Methods for configuring, operating and constructing the electronic devices are also presented herein. | 2014-02-06 |
20140036577 | Dual-Port Semiconductor Memory and First In First Out (FIFO) Memory Having Electrically Floating Body Transistor - Multi-port semiconductor memory cells including a common floating body region configured to be charged to a level indicative of a memory state of the memory cell. The multi-port semiconductor memory cells include a plurality of gates and conductive regions interfacing with said floating body region. Arrays of memory cells and method of operating said memory arrays are disclosed for making a memory device. | 2014-02-06 |
20140036578 | SRAM READ PREFERRED BIT CELL WITH WRITE ASSIST CIRCUIT - Methods and apparatuses for static memory cells. A static memory cell may include a first pass gate transistor including a first back gate node and a second pass gate transistor including a second back gate node. The static memory cell may include a first pull down transistor including a third back gate node and a second pull down transistor including a fourth back gate node. The source node of the first pull down transistor, source node of the second pull down transistor, and first, second, third, and fourth back gate nodes are electrically coupled to each other to form a common node. | 2014-02-06 |
20140036579 | SENSE AMPLIFIER - Embodiments of the invention provide a sense amplifier, a SRAM chip comprising the sense amplifier and a method of performing read operation on the SRAM chip. The sense amplifier according to embodiments of the invention comprises an additional driving assist portion, which further takes a global data bus as input, the driving assist portion is configured to enable the sense amplifier to provide assisted driving for other sense amplifiers. With the solution according to embodiments of the invention, driving capability of a sense amplifier on global data bus can be enhanced. | 2014-02-06 |
20140036580 | MEMORY CIRCUIT - A memory circuit is provided. The memory circuit includes a memory array having a bit line (BL), and a memory cell coupled to the BL; a sense amplifier (SA) coupled to the BL; a tracking bit line (TRKBL); and a comparator coupled to the TRKBL and configured to receive a reference voltage, and to output a strobe signal to the SA. | 2014-02-06 |
20140036581 | SENSE AMPLIFIER FOR STATIC RANDOM ACCESS MEMORY - A sense amplifier for a static random access memory (SRAM) is described. In one embodiment, a first pass gate transistor is driven by a bit line true associated with an SRAM cell. A second pass gate transistor is driven by a bit line complement associated with the SRAM cell. A first pull down transistor is coupled to the first pass gate transistor and a second pull down transistor is coupled to the second pass gate transistor. A data line true is coupled to a node coupling the first pull down transistor with the first pass gate transistor. A data line complement is coupled to a node coupling the second pull down transistor with the second pass gate transistor. | 2014-02-06 |
20140036582 | NONVOLATILE MEMORY DEVICE - A nonvolatile memory device comprises a memory cell configured to store or output data in a magneto-resistance device in response to a write current applied to a bit line and a source line. A voltage detector is configured to sense potentials loaded in the bit line and the source line. A write current controller configured to control activation of a write control signal in response to an output of the voltage detector, and a write driver configured to control amounts of write current applied to the memory cell according to the activation of the write control signal. | 2014-02-06 |
20140036583 | PHASE CHANGE MEMORY DEVICE - A phase change memory device with memory cells ( | 2014-02-06 |
20140036584 | CAPACITOR-LESS MEMORY CELL, DEVICE, SYSTEM AND METHOD OF MAKING SAME - A capacitor-less memory cell, memory device, system and process of forming the capacitor-less memory cell includes forming the memory cell in an active area of a substantially physically isolated portion of the bulk semiconductor substrate. A pass transistor is formed on the active area for coupling with a word line. The capacitor-less memory cell further includes a read/write enable transistor vertically configured along at least one vertical side of the active area and operable during a reading of a logic state with the logic state being stored as charge in a floating body area of the active area, causing different determinable threshold voltages for the pass transistor. | 2014-02-06 |
20140036585 | NONVOLATILE MEMORY DEVICE USING A THRESHOLD VOLTAGE SWITCHING MATERIAL AND METHOD FOR MANUFACTURING SAME - The present invention relates to a nonvolatile memory device and to a method for manufacturing same. According to the present invention, the blocking insulation layer of a nonvolatile memory device having a typical SONOS structure is replaced with a threshold voltage switching material, which changes to a low resistance state only while a voltage greater than a threshold voltage is applied while maintaining a high resistance state under normal conditions and returning to the high resistance state when the applied voltage is removed. The present invention performs a program operation by injecting charges from a gate electrode layer into a charge trap layer through an insulation layer formed of the threshold voltage switching material after applying a voltage pulse greater than the threshold voltage to the gate electrode layer. | 2014-02-06 |
20140036586 | MEMORY DEVICE HAVING A DIFFERENT SOURCE LINE COUPLED TO EACH OF A PLURALITY OF LAYERS OF MEMORY CELL ARRAYS - In an embodiment, a memory device may have a plurality of layers of memory cell arrays. Each layer may have a plurality of strings of memory cells and a different source line coupled to each layer of the plurality of layers. | 2014-02-06 |
20140036587 | Structure and Method for Narrowing Voltage Threshold Distribution In Non-Volatile Memories - Embodiments of the present invention provide a memory array of macro cells. Each macro cell comprises a storage element and a calibration element. The storage element and its corresponding calibration element are part of a common memory array within an integrated circuit, and therefore, are in close proximity to each other. The calibration element may store a parameter used to modify the threshold voltage of the storage element. | 2014-02-06 |
20140036588 | METHOD OF PROGRAMMING A MULTI-LEVEL MEMORY DEVICE - Embodiments of the present disclosure provide methods and apparatuses related to programming multilevel memory cells of a memory device. Other embodiments may be described and claimed. | 2014-02-06 |
20140036589 | MEMORY CELL STATE IN A VALLEY BETWEEN ADJACENT DATA STATES - The present disclosure includes apparatuses and methods related to memory cell state in a valley between adjacent data states. A number of methods can include determining whether a state of a memory cell is in a valley between adjacent distributions of states associated with respective data states. The method can also include transmitting a signal indicative of a data state of the memory cell and whether the state of the memory cell is in the valley. | 2014-02-06 |
20140036590 | PARTIAL BLOCK MEMORY OPERATIONS - Methods and apparatuses are disclosed, such as those including a block of memory cells that includes strings of charge storage devices. Each of the strings may comprise a plurality of charge storage devices formed in a plurality of tiers. The apparatus may comprise a plurality of access lines shared by the strings. Each of the plurality of access lines may be coupled to the charge storage devices corresponding to a respective tier of the plurality of tiers. The apparatus may comprise a plurality of sub-sources associated with the strings. Each of the plurality of sub-sources may be coupled to a source select gate of each string of a respective subset of a plurality of subsets of the strings, and each sub-source may be independently selectable from other sub-sources to select the strings of its respective subset independently of other strings corresponding to other subsets. | 2014-02-06 |
20140036591 | MEMORY DEVICE - A memory device includes a memory cell array including a plurality of memory cells, a common source line to which sources of the plurality of memory cells are commonly connected, and a second electrical connection path further connecting the common source line to a ground voltage using erase-mode memory cells when the common source line forms a first electrical connection path and is connected to the ground voltage. | 2014-02-06 |
20140036592 | SEMICONDUCTOR STORAGE DEVICE - A semiconductor storage device has a memory cell array including memory cells and a plurality of redundancy regions arranged in a first direction including flag cells, plural word lines extending in the first direction, and plural bit lines extending in a second direction crossing the first direction, and a controller configured to control writing of data to the memory cells and also to the flag cells. | 2014-02-06 |
20140036593 | NONVOLATILE MEMORY DEVICES, MEMORY SYSTEMS AND METHODS OF PERFORMING READ OPERATIONS - Within a non-volatile memory device, a read operation directed to a nonvolatile memory cell having a positive threshold voltage applies a positive read voltage to a selected word line and a first control signal to a page buffer connected to a selected bit line, but if the memory cell has a negative threshold voltage the read operation applies a negative read voltage to the selected word line and a second control signal to the page buffer different from the first control signal. | 2014-02-06 |
20140036594 | NONVOLATILE MEMORY DEVICE AND RELATED METHOD OF OPERATION - A flash memory device comprises alternately arranged odd and even memory cells. The odd and even memory cells are connected to corresponding odd and even bitlines, which are connected to corresponding odd and even page buffers. In a read operation of the flash memory device, data is sensed at two different times via the odd and even bitlines. In certain embodiments, data is read from the odd page buffers while data is being sensed via the even bit lines, or vice versa. | 2014-02-06 |
20140036595 | BITLINE VOLTAGE REGULATION IN NON-VOLATILE MEMORY - Systems and methods are provided to minimize write disturb conditions in an untargeted memory cell of a non-volatile memory array. Bitline driver circuits are provided to control a ramped voltage applied both to a bitline of a target memory cell and a neighboring bitline of an untargeted memory cell. Various embodiments advantageously maintain the integrity of data stored in the untargeted memory cells by applying a controlled voltage signal to a previously floating bitline of a neighbor cell to reduce a potential difference between the source and drain nodes of the untargeted neighbor memory cell during a write operation at a target memory cell. In another embodiment, an increased source bias voltage is applied on a “source” bitline of the target cell during the ramping of the drain bias voltage and then reduced to a ground or near ground potential during the write operation. | 2014-02-06 |