42nd week of 2013 patent applcation highlights part 30 |
Patent application number | Title | Published |
20130271978 | LARGE-SCALE PRISM LUMINAIRES - Embodiments of the invention include luminaires with a large-scale prism. In some embodiments, a large-scale prism can be any prism with a base having the smallest dimension greater than one half of an inch. In some embodiments, a large-scale prism can be any prism with a base having the smallest dimension between two and four inches. At these large-scales, the geometry of the individual prism can be easily appreciated through casual observation. Use of large-scale prisms can provide a light without high angle glare. | 2013-10-17 |
20130271979 | Scalable LED Sconce Light - An LED light fixture comprising a contoured light transmissive lens cover pivotally mounted between upper and lower end brackets so as to be movable between an open position and a closed position wherein in the closed position the upper and lower contoured edges of the lens cover mate flushly with the contoured surface of respective upper and lower end caps. A bank of LED carrying housing components are attached between the upper and lower mounting brackets so as to direct illumination toward the lens cover. Expansion brackets may be employed to facilitate addition of one or more additional banks of LED carrying housing components behind a lens cover of longer length to thereby created a sconce fixture of extended length. | 2013-10-17 |
20130271980 | LED LAMP ASSEMBLY FOR SEALED OPTICAL LUMINAIRES - A sealed optical street luminaire having a luminaire housing fitted with a clear, flat lens and provided with an LED light source assembly mounted in the housing. The light source assembly has a heat dissipating LED support member secured to a heat conductive adapter for securement in the luminaire housing. A reflector is secured in the luminaire housing. The LED support member supports LED modules at a predetermined angle and orientation relative to an inner reflective surface of the circumferential wall of the reflector. The heat dissipating LED support member and the heat conductive adapter dissipate heat through the luminaire housing whereby to operate the LED modules at a lower temperature than the critical thermal temperature T | 2013-10-17 |
20130271981 | LED LAMP - A lamp has an optically transmissive enclosure and a base. A tower extends from the base into the enclosure and supports an LED assembly in the enclosure. The LED assembly comprises a plurality of LEDs operable to emit light when energized through an electrical path from the base. The tower and the LED assembly are arranged such that the plurality of LEDs are disposed about the periphery of the tower in a band and face outwardly toward the enclosure to create a source of the light that appears as a glowing filament. The tower forms part of a heat sink that transmits heat from the LED assembly to the ambient environment. The LED assembly has a three-dimensional shape. An electrical interconnect connects a conductor to the heat sink where the conductor is in the electrical path between the LED assembly and the base. | 2013-10-17 |
20130271982 | LED LIGHT ENGINES - An LED light engine includes a housing, one or more LEDs mounted on a printed circuit board and a retention feature engaged with the housing. The retention feature includes one or more of a torsion spring and a friction clip and is configured to engage an inside wall of a recessed lighting can, thereby retaining the LED light engine within the can. The LED light engine may also include a reflector and a lens retained within the housing, with the housing, reflector and lens forming a sealed chamber for protecting the LED components from external environmental conditions. Methods for retrofitting an existing recessed downlight fixture with an LED light engine include removing the existing light engine from the recessed lighting can and inserting an LED light engine into the can. | 2013-10-17 |
20130271983 | INTEGRATED, WATER TIGHT, LED ARRAY HOLDER ASSEMBLY - The present disclosure relates to a Chip on Board (COB) Light Emitting Diode (“LED”) array assembly that incorporates refractive optics, an electrical connection to the LED array, an environmental sealing of the LED array and interior optical chamber, and which includes an anti wicking breaker on the electrical pass through, and which is sealed against a modular heat sink. The assembly is separately removable for field maintenance. | 2013-10-17 |
20130271984 | LED LIGHTING APPARATUS HAVING SNOW MELTING FUNCTION - An LED (light emitting diode) lighting apparatus includes an LED, a light adjusting device and a shell. The LED includes a main lighting surface and a heat dissipating surface. The shell receives the LED and the light adjusting device therein, the shell having a light emitting window for light emitted from the LED to transmit therethrough after the light is directed by the light adjusting device. The heat dissipating surface of the LED connects the light emitting window, and heat generated by the LED is transferred from the heat dissipating surface to the light emitting window to prevent snow from accumulating on the light emitting window. | 2013-10-17 |
20130271985 | LIGHTING SYSTEM - The present invention relates to a device to convert the blue light from solid- state sources into white light comprising a transparent polymer matrix with laminar structure, diffusing particles and phosphors. | 2013-10-17 |
20130271986 | COMPOSITE LIGHTING SYSTEMS AND METHODS OF MAKING SAME - A method for retrofitting a lighting system includes providing a lighting assembly with a screw-terminal-base connector disposed in a lamp housing. A power-supply conductive wire includes a second length coupling the screw-terminal-base connector to a transformer and a first length coupled to the transformer and coupleable to a power supply. The first and second lengths of the power-supply conductive wire are severed and the transformer is removed. The severed first and second lengths are spliced together. An Edison-base receptacle is mounted to the lamp housing. The second length of the power-supply conductive wire is electrically coupled to the Edison-base receptacle. | 2013-10-17 |
20130271987 | GAS COOLED LED LAMP - A gas cooled LED lamp and submount is disclosed. The centralized nature of the LEDs allows the LEDs to be configured near the central portion of the optical envelope of the lamp. In example embodiments, the LEDs can be cooled and/or cushioned by a gas in thermal communication with the LED array to enable the LEDs to maintain an appropriate operating temperature for efficient operation and long life. In some embodiments, the LED assembly is mounted on a glass stem. In some embodiments a thermal resistant path is created that prevents overtemperature of the LED array during the making of the lamp. In some embodiments the LED assembly comprises a lead frame and/or metal core board that is bent into a three-dimensional shape to create a desired light pattern in the enclosure or an extruded submount formed into a three-dimensional shape. | 2013-10-17 |
20130271988 | HEAT SINK AND LED LAMP USING THE SAME - An LED lamp includes a heat sink. The heat sink includes a base, a number of fins and two fixing elements for fixing the heat sink. The base includes a first face and a second face opposite to the first face. The fins extend from the first face of the base. The two fixing elements are detachably fixed on two ends of the base, respectively. Each fixing element includes a mounting plate, a fixing plate fixed on the first face of the base, and a connecting member connecting the fixing plate with the mounting plate. | 2013-10-17 |
20130271989 | GAS COOLED LED LAMP - In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. The gas may include oxygen. | 2013-10-17 |
20130271990 | GAS COOLED LED LAMP - In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. The gas may include oxygen. | 2013-10-17 |
20130271991 | LED LAMP - A lamp has an optically transmissive enclosure and a base. A tower extends from the base into the enclosure and supports an LED assembly in the enclosure. The LED assembly comprises a plurality of LEDs operable to emit light when energized through an electrical path from the base. The tower and the LED assembly are arranged such that the plurality of LEDs are disposed about the periphery of the tower in a band and face outwardly toward the enclosure to create a source of the light that appears as a glowing filament. The tower forms part of a heat sink that transmits heat from the LED assembly to the ambient environment. The LED assembly has a three-dimensional shape. An electrical interconnect connects a conductor to the heat sink where the conductor is in the electrical path between the LED assembly and the base. | 2013-10-17 |
20130271992 | LED ARRAY MODULE AND MANUFACTURING METHOD THEREOF - The present invention provides an LED array module having an improved heat-dissipating effect, and a manufacturing method thereof. To this end, an LED array module includes one or more LED unit modules, the LED unit module comprising: an LED; a heat conductive heat-dissipating slug attached to the lower portion of the LED; and leads connected to the cathode and anode of the LED, respectively, wherein the LED array module comprises: a heat-dissipating plate; a heat conductive solder layer disposed and bonded between the upper surface of the heat-dissipating plate and the lower surface of the heat-dissipating slug; a first insulating layer formed on the upper surface of the heat-dissipating plate; and array electrodes which are formed on the upper surface of the insulating layer and are electrically connected to the leads to drive the LED. | 2013-10-17 |
20130271993 | Foldable lighting device with multiple panels - A foldable lighting device includes a main panel and one or two side panels. A plurality of illuminants are provided on the main panel and the side panels. A pivot is provided to link the main panel with either side panel so that either side panel may be rotated with respect to the main panel to adjust the direction and brightness of illumination. As either side panel is rotated from the parallel position towards the main panel, the range of illumination becomes smaller and the light becomes more concentrated. As either side panel is rotated from the parallel position towards the back side of the main panel, the range of illumination becomes larger and the light becomes less concentrated. | 2013-10-17 |
20130271994 | LIGHT SOURCE STRUCTURE OF PROJECTOR - A light source structure of a projector includes at least a solid state lighting element, at least an optical collimator lens, and at least a micro-lens. The solid state lighting element generates a plurality of radial beams, which are incident to the optical collimator lens. The optical collimator lens converts the radial beams into a plurality of parallel beams which successively strike the micro-lens. The parallel beams are concentrated and focused by the micro-lens into a projecting beam. | 2013-10-17 |
20130271995 | AUTOFOCUS MECHANISM - A computation & control unit defines, as first and second voltages, A+B_signal voltages at distances which give the maximum and minimum voltages of an S_signal voltage, respectively. The unit further defines the higher one of the first and second voltages as an S_signal validity determination voltage and defines a distance at which the S_signal voltage takes on an in-focus determination voltage. The unit defines first and second lower limit voltages, defines the higher one of the first and second lower limit voltages as a lower limit voltage, and defines, as an upper limit voltage, an A+B_signal voltage at a distance which gives an in-focus determination voltage between the maximum and minimum positions of the S_signal voltage. An input and output unit outputs the upper and lower limit voltages as the upper and lower limit values of a settable range of the S_signal validity determination voltage. | 2013-10-17 |
20130271996 | LAMP - The invention discloses a lamp including a lampshade, a cooling module, a light-emitting element and a circuit board. The lampshade includes an opening and a base. The lampshade forms a chamber. The lampshade is completely closed between the opening and the base. The cooling module includes a cooling fan fixed in the chamber while at least one air-guiding gap is formed between the cooling module and the lampshade. The light-emitting element is coupled with the cooling module. The circuit board has a layout surface mounted with a plurality of electronic components. The inner surface of the lampshade forms an air-guiding face. The layout surface, the air-guiding face and the cooling fan jointly constructs an air channel. The layout surface and the electronic components of the circuit board face the opening of the lampshade. At least one of the electronic components is located in the air channel. | 2013-10-17 |
20130271997 | LIGHTING DEVICE - A lighting device may be provided that includes: a heat sink which includes a base and a projection extending from the base and having one side; a light source which includes a substrate disposed on the one side of the projection and a light emitting device disposed on the substrate; an optical plate disposed on the light emitting device; a driving part which is disposed on the base and is electrically connected to the light source; and a housing which receives the heat sink, the light source, the optical plate and the driving part, wherein the one side of the projection is disposed between a first point and a second point, wherein the first point indicates a half of the overall height of the housing, and wherein the second point indicates a minimum interval of 5 mm between the light emitting device and the optical plate. | 2013-10-17 |
20130271998 | LED LIGHT BULB AND UNIVERSAL PLATFORM - A universal platform may be used to create a family of LED light bulbs with lower costs. One universal platform includes a lamp base, a lamp holder, and a driver. Different upper bulb portions may be assembled on this universal platform. An alternate universal platform include a lamp base, a lamp holder, a heat sink, a driver shell, a driver, a PCB, and one or more LEDs. Different diffusers may be connected to this platform to produce different bulb designs. The bulbs may include an optional diffuser for producing omnidirectional light. | 2013-10-17 |
20130271999 | THERMOSETTING SILICONE RESIN COMPOSITION FOR REFLECTOR OF LED, REFLECTOR FOR LED USING THE SAME AND OPTICAL SEMICONDUCTOR APPARATUS - A thermosetting silicone resin composition for an LED reflector has: a thermosetting resin; at least one kind of white pigment selected from titanium oxide, zinc oxide, zirconium oxide, magnesium oxide, barium carbonate, magnesium silicate, zinc sulfate, and barium sulfate; and an inorganic filler other than the pigment, which contains at least one kind of inorganic filler that has an average particle diameter of 30 μm to 100 μm and a refraction index that is different from a refraction index of a cured material of the thermosetting resin by 0.05 or more, and at least one kind of inorganic filler that has an average particle diameter of less than 30 μm. The thermosetting resin composition provides a cured material that has excellent heat and light resisting properties and hardly leaks light, a reflector for an LED obtained by molding using the composition, and an optical semiconductor apparatus using the reflector. | 2013-10-17 |
20130272000 | Concatenatable Linear LED Lighting Fixtures - An illustrative modular light fixture apparatus may comprise a plurality of modules, each having a base component and a cover component. The base component has a split vertical male plug positioned within a cylindrical recess, and a cylindrical female receptacle formed at an opposite end thereof. The cylindrical female receptacle and split male plug are so configured such that the female receptacle of one module will snap fittingly or otherwise interconnect with the split male plug of another module. The cover component has respective pairs of rectangular openings on first and second sides thereof configured to snap fittingly engage respective tabs on the sides of the base component as the cover component is pushed downwardly over the base component to thereby attach the cover component to the base component. | 2013-10-17 |
20130272001 | Recessed Lamp Housing With Adjustable Spring Clipping Device - A downlight that can be easily installed into and dismounted from a ceiling is provided. The housing of the downlight includes an adjustable spring clipping device. Utilization of the adjustable spring clipping device saves a user from having to spend much effort on installation or dismounting of the downlight, and allows installation and dismounting of the downlight to be easily and conveniently performed. | 2013-10-17 |
20130272002 | LIGHTING AND VENTILATING APPARATUS AND METHOD - Some embodiments of the present invention provide a combination lighting and ventilating apparatus for installation in a structure. The apparatus can include a main housing having a first aperture that defines a ventilating inlet and a lighting outlet, a lamp housing recessed within the main housing, having first and second apertures spaced a distance from one another, and having a portion that extends outside of the main housing, and a lamp recessed within the lamp housing and the main housing. In some embodiments, the apparatus further includes a fan positioned to draw air into and through the first aperture of the lamp housing, around the lamp, and through the second aperture of the lamp housing. In another aspect of the invention, a method of lighting and ventilating a room using a combination lighting and ventilating apparatus is provided. | 2013-10-17 |
20130272003 | OVERHEAD LIGHT FIXTURE AND RELATED METHOD - An overhead LED light fixture including a base member with a vertical sleeve secured to the top of the base member for alignment with a pass-through opening. The fixture has a driver-tray assembly with a bottom member engageable with the base member at the pass-through opening, a vertical driver-support structure extending upwardly therefrom, at least one driver secured to the support structure, and the driver-tray assembly is slideably received within the vertical sleeve. When used as a canopy light, the driver-tray assembly is removable from below the canopy to facilitate servicing, upgrading or replacing of components. | 2013-10-17 |
20130272004 | Remote control for bicycle headlight and rear light - A remote control for bicycle headlight and rear light is provided a dome including an opening; an actuation member including a resilient button disposed through the opening, and a flange extending outwardly from the button to engage an inner surface of the dome; a controller including a control unit, a switch on the control unit and engaging the button, and a transmitter within the control unit; a battery engaging the control unit; and a bracket including a clamp and a seat at one end of the clamp, the seat releasably secured to the dome together to receive the actuation member, the controller, and the battery. The bracket is mounted on a handlebar by threadedly securing the clamp to a brake lever. A pressing of the button electrically connects the battery to the control unit so as to activate the transmitter to send out an IR light pulse. | 2013-10-17 |
20130272005 | Light Emitting Module and Car Threshold Pedal Therewith - A light emitting module without connecting with an external power supply contains a light emitting panel including a display surface on which a first raised pattern set and a second raised pattern set are formed; a plurality of lighting elements disposed on a bottom plate and secured in the light emitting panel with the bottom plate, each lighting element at least having a first light facing to the first raised pattern set and emitting light and a second light facing to the second raised pattern set and emitting light; a magnetic reed switch mounted in the light emitting panel and electrically connecting with the each lighting element; at least one cell secured in the light emitting panel and electrically coupled with the plurality of lighting elements and the magnetic reed switch. | 2013-10-17 |
20130272006 | Light Emitting Device Of A Car Threshold - A light emitting device of a car threshold contains a threshold body including a cover and a lid; at least one least one guiding strap disposed in the threshold body and inserted through the cover, the guiding strap including a first end portion and a second end portion, wherein the first end portion is defined on the least one least one guiding strap guiding strap to correspond to and face to the lid; an illumination element used to reflect a light source toward the second end portion of the at least one guiding strap. Thereby, the light emitting device emits the gentle decorative light through the cover and reflects the light source via the lid simultaneously by connecting the illumination element and the at least one guiding strap together. | 2013-10-17 |
20130272007 | EMERGENCY VEHICLE LIGHT WITH ILLUMINATED BEZEL - A bezel for a light fixture appears illuminated when a bezel light source is energized and the bezel appears opaque when the bezel lights source is not energized. The bezel has a metalized coating which reflects light transmitted from a location remote from and external to the bezel and which transmits light emitted by the bezel light source. | 2013-10-17 |
20130272008 | Optical Module of a Lighting and/or Signaling Device for a Motor Vehicle - Optical module of a lighting and/or signaling device of a motor vehicle, comprising a reflector associated with a light source, in particular comprising an LED, in order to reflect the light coming from this light source, this reflector being formed on a part, in particular a monolithic part, namely produced in one piece, provided with a cooling opening for a circulation of cooling air. | 2013-10-17 |
20130272009 | VEHICULAR LAMP - The present disclosure provides a vehicular lamp including a low-beam lamp and a daytime running lamp. The low-beam lamp includes a low-beam LED, a low-beam reflector, and a projection lens. The daytime running lamp includes a DRL LED, and a DRL reflector. The DRL LED is disposed at the rear side of the low-beam reflector to emit a light in a direction which intersects with the optical axis of the vehicular lamp. The DRL reflector includes an extension area that extends to at least the outer side of the projection lens when viewed from the front, and reflects the light from the DRL LED in the extension area to emit the light to the front side of the lamp through the outer side of the projection lens. | 2013-10-17 |
20130272010 | LIGHT SOURCE MOUNTING STRUCTURE OF VEHICULAR LAMP - The present disclosure provides a light source mounting structure including a bulb mounting hole provided in a reflector, a socket fixture configured to be fixed to the bulb mounting hole, and a bulb including a bayonet flange configured to be inserted into the bulb mounting hole and, when rotated, to be engaged with the socket fixture. The socket fixture is integrally provided with a snap fit that is capable of being elastically deformed and configured to be engaged with the bayonet flange. The bulb is easily mounted due to the elastic deformation of the snap fit and is also suppressed from being detached. The snap fit is integrally formed with the socket fixture, and thus, the number of components may be reduced. | 2013-10-17 |
20130272011 | HEADLIGHT LENS FOR A VEHICLE HEADLIGHT - Vehicle headlight comprising a monolithic body of transparent material, the monolithic body including at least one light entry face, a light passage section and at least one optically operative light exit face. The Vehicle headlight further comprises a light source for irradiating light into the light entry face. | 2013-10-17 |
20130272012 | LIGHT BAR EXTERIOR CABLE JUNCTION BOX - A junction box assembly for a light bar for splicing a light bar cable and a vehicle cable. A multipart housing forms a compartment and has at least two separable parts for accessing the compartment. The compartment is configured for receiving an end of the light bar cable and for receiving an end of the vehicle cable. The multipart housing is configured to mount externally and slidably to the underside of the light bar. | 2013-10-17 |
20130272013 | VEHICLE LAMP - A transparent member | 2013-10-17 |
20130272014 | MULTI-WAVELENGTH LIGHT SOURCE USING LIGHT DIFFUSING FIBERS - At least one flexible light diffusing waveguide is arranged to define a plurality of light diffusing waveguide segments arranged substantially parallel to one another, and is coupled to at least one light source to provide a flexible light panel suitable for general lighting purposes or for use as a backlight in a display, such as a video display. Multiple waveguides can be coupled to different color light sources to provide a multi-colored flexible backlight that is usable in combination with a flexible matrix-addressable panel to provide a flexible video display. | 2013-10-17 |
20130272015 | SYSTEM AND METHOD FOR MIXING LIGHT FOR A LED-BASED LINEAR LIGHT SOURCE - A linear light source and a method of manufacturing the linear light source are disclosed. The linear light source includes a light emitting diode (LED) array, a light pipe, and a shell with a linear exit slit aperture. Cutouts of the light pipe provides a slanted surface to reflect portions of light rays along the length of the light pipe out of the linear exit slit aperture. | 2013-10-17 |
20130272016 | SYSTEM AND METHOD FOR MIXING AND COLLIMATING LIGHT EMITTED FROM AN ARRAY HAVING DIFFERENT COLOR LIGHT EMITTING DIODES - A collimated light source and a method of manufacturing the collimated light source are disclosed. The collimated light source includes a light emitting diode (LED) array, a light pipe, and a light collimation optics. The light collimation optics can expand over an exit aperture of light pipe. | 2013-10-17 |
20130272017 | SYSTEM AND METHOD FOR MIXING LIGHT FOR A LED-PUMPED PHOSPHOR ARRAY LIGHT SOURCE - A LED-pumped phosphor array light source and a method of manufacturing the phosphor array light source are disclosed. The phosphor array light source includes a light emitting diode (LED) array, an imaging optics, a phosphor module array, and a light mixing pipe. The imaging optics focuses the light rays from the LED array on the phosphor module array. The phosphor modules are pumped by the incoming light rays and emit colored light into the light mixing pipe. In some embodiments, the imaging optics include a short-pass filter to minimize light loss through back scattering. | 2013-10-17 |
20130272018 | Light Source Including a Ball Lens for Use With a Scope - A light source is releasably connected to a scope having a light guide including an input guide member and a connector about the input guide member. The light source includes an elongate housing, a solid state light emissive material at a first end of the housing, a controller which controllably illuminates the light emissive material, a ball lens supported in proximity to the light emissive material. A mounting socket at the first end of the housing is arranged for mating connection with the connector of the scope such that an input end face of the input guide member is in proximity to said ball lens diametrically opposite from the light emissive material while remaining readily separable from the ball lens. A transparent panel at an internal end of the mounting socket protects the ball lens even when the light source is disconnected from the scope. | 2013-10-17 |
20130272019 | RECESSED-LIGHT CONVERSION APPARATUS, SYSTEM AND METHODS - Exposed fixture mechanism (or exposed fixture mechanism) and associated mounting features constituting a broad range of structural, aesthetic, and/or functional enhancements to existing recessed fixtures. Embodiments are generally configured to couple at a structural surface at and/or surrounding a recessed fixture. A mounting ring provides secure attachment at the structural surface, A ring cover with or without an exposed fixture mechanism (EFM) typically is coupled to the mounting ring surrounding the recessed fixture via a variety of mechanisms including but not limited to a twist-lock engagement, magnets, screws, or snap on mechanisms. EFMs include a wide variety of aesthetic, functional, and/or structural embodiments. | 2013-10-17 |
20130272020 | FRONT PLATE OF TN LIQUID CRYSTAL DISPLAY DEVICE - The problem is to provide a front plate of a TN liquid crystal display device capable of reducing occurrence of color unevenness caused by retardation of a polycarbonate resin sheet, even when the liquid crystal panel is observed through polarizing glasses or liquid crystal shutter glasses for 3D, while having excellent impact resistance, heat resistance and transparency. | 2013-10-17 |
20130272021 | DECORATION DEVICE AND GAME MACHINE - A decoration device ( | 2013-10-17 |
20130272022 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a light source, a light guide, a first reflector, and an optical unit. The light guide is disposed adjacent to the light source, extends substantially parallel with a longitudinal direction of the light source, and refracts light emitted from the light source. The first reflector is disposed under the light guide and reflects the refracted light toward the optical unit. The optical unit is disposed over the first reflector such that an empty space is formed between the optical unit and the first reflector. | 2013-10-17 |
20130272023 | LED DISPLAY UNIT WITH SOLAR PANELS AND LED DISPLAY DEVICE INCLUDING SAME - An LED display unit includes a light guide, a diffusion layer, an LED module, and a solar panel. The light guide includes a first light incident surface and a light emitting surface connected to the first light incident surface. The diffusion layer includes a side surface and a second light incident surface connected to the side surface. The second light incident surface is adjacent to the light emitting surface. The LED module is adjacent to the first light incident surface. The solar panel is adjacent to the side surface and electrically connected with the LED module. | 2013-10-17 |
20130272024 | DIFFUSION STRUCTURE AND LIGHTING DEVICE WITH SUCH DIFFUSION STRUCTURE - A diffusion structure and a lighting device with the diffusion structure are provided. The diffusion structure includes a first surface and a second surface. A speckle layer is formed on the first surface. A grating layer is formed on the second surface. The grating layer is arranged between a light source and the speckle layer. Consequently, plural light beams emitted by the light source are sequentially transmitted through the grating layer and the speckle layer and then outputted to surroundings. | 2013-10-17 |
20130272025 | LIGHTING DEVICE AND COVE LIGHTING MODULE USING THE SAME - A lighting device and a cove lighting module are provided. The lighting device includes a shell body, at least one light emitting diode element, and at least one light guide plate. The light emitting diode element and the light guide plate are disposed in the shell body. The light guide plate is disposed adjacent to the light emitting diode element to enable light emitted by the light emitting diode element to enter the light guide plate through a light incident surface of the light guide plate and to exit from the light guide plate through a light emitting surface of the light guide plate. The cove lighting module includes a light-receiving object and the lighting device, wherein the light-receiving object has an opaque surface. In the cove lighting module, the light exiting from the light guide plate is directly emitted to the opaque surface of the light-receiving object. | 2013-10-17 |
20130272026 | LATERAL LIGHT SOURCE PROCESSING MODULE AND LIGHTING DEVICE WITH THE SAME - A lateral light source processing module and a lighting device with the lateral light source processing module are provided. The lateral light source processing module includes a first surface and a second surface opposed to the first surface. In addition, plural saw-toothed structures are formed on the second surface. An included angle between any surface of any saw-toothed structure and a normal line perpendicular to the first surface is a specified angle. Consequently, the light beams projected on the saw-toothed structure are subject to total internal reflection. According to the specified angle, the reflected light beams are propagated along a corresponding direction. | 2013-10-17 |
20130272027 | Method for Manufacturing LED Light Bar and LED Light Bar and Backlight Module - The present invention provides a method for manufacturing LED light bar, which includes the following steps: (1) providing light-emitting dies of different sizes; (2) measuring luminous intensities of the light-emitting dies; (3) selecting among the light-emitting diodes ones of which the luminous intensities are different from each other by less than 5%; (4) encapsulating the selected ones of the light-emitting dies to form LED lights, which are of substantially identical encapsulated size; and (5) mounting and electrically connecting the LED lights to a printed circuit board to form an LED light bar. The method for manufacturing LED light bar according to the present invention uses light-emitting dies of different sizes so as to improve utilization rate of an entire wafer and effectively reduce the manufacture cost. | 2013-10-17 |
20130272028 | LIGHT GUIDE PLATE FOR PLANE LIGHT SOURCE, METHOD FOR MANUFACTURING THE SAME, AND PLANE LIGHT SOURCE UNIT USING THE SAME - A light guide plate and a plane light source unit are provided. The light guide plate for a plane light source unit includes a plurality of unit pattern regions each having a plurality of optical patterns on surfaces thereof, wherein one or more unit pattern regions have different sag values (height:lens size) of the optical patterns constituting the unit pattern regions. Unit pattern regions are implemented with segmented optical patterns, which are equal in height, from the outside of the light guide plate to the central part thereof, by adjusting the density and size of microlenses, thereby improving the light uniformity and light efficiency and improving the efficiency of manufacturing processes. | 2013-10-17 |
20130272029 | LIGHT SOURCE MODULE - A light source module is provided. The light source module includes a light guide element, at least one light source and a fluorescence member. The light guide element includes a light incident surface and a light-exiting surface. The light-exiting surface is opposite to the light incident surface. A light-emitting surface of the at least one light source faces the light incident surface of the light guide element. At least one section of the fluorescence member faces the light-exiting surface of the light guide element. | 2013-10-17 |
20130272030 | LIGHT GUIDE PLATE INCLUDING OPTICAL FIBERS AND METHOD OF MANUFACTURING SAME - A light guide plate includes a number of optical fibers positioned side by side and transparent curable glue adhering the optical fibers together. The optical fibers and the curable glue cooperatively form a light incident surface and a light output surface connected to the light incident surface. The light output surface defines light output holes. | 2013-10-17 |
20130272031 | SWITCHING POWER SUPPLY APPARATUS - A transformer that realizes ZVS operation includes a primary winding and a secondary winding. A control circuit turns switching elements on and off in a complimentary manner in order to repeatedly invert the voltage applied to the primary winding. A conduction path supplies a voltage excited in the secondary winding to a load connected between a high-potential side and a ground side of the secondary winding. A first rectifier diode has a rectification direction extending from the high-potential side toward the ground side of the load and is provided along the conduction path. A second rectifier diode and a capacitor, which are connected in series with each other, are connected in parallel with the secondary winding. An inductor is connected in parallel with the second rectifier diode. A rectification direction of the second rectifier diode matches the direction extending from the high-potential side to the ground side. | 2013-10-17 |
20130272032 | DC/DC VOLTAGE CONVERTER AND METHOD FOR OPERATING A DC/DC VOLTAGE CONVERTER - The disclosure relates to a method for operating a DC/DC voltage converter comprising a first switching bridge with at least two first switches coupled to an input of the DC/DC voltage converter, a second switching bridge with at least two second switches coupled to an output of the DC/DC voltage converter, a transformer and at least one capacitor, wherein the first switching bridge is connected to the second switching bridge via the transformer. The first switches are switched such that a resonant circuit formed by the transformer and the at least one capacitor is operated in resonance, and the second switches are switched at the same clock frequency with a phase shift compared to the first switches, such that the second switches are switched prior to the first switches. The disclosure also relates to a DC/DC voltage converter comprising a control circuit for the first and second switches which is configured to carry out the method, and to a backup power system including such a DC/DC voltage converter. | 2013-10-17 |
20130272033 | SYSTEMS AND METHODS FOR CONSTANT VOLTAGE MODE AND CONSTANT CURRENT MODE IN FLYBACK POWER CONVERTERS WITH PRIMARY-SIDE SENSING AND REGULATION - System and method for regulating a power converter. The system includes a first signal generator configured to receive a first sensed signal and generate an output signal associated with demagnetization. The first sensed signal is related to a first winding coupled to a secondary winding for a power converter, and the secondary winding is associated with at least an output current for the power converter. Additionally, the system includes a ramping signal generator configured to receive the output signal and generate a ramping signal, and a first comparator configured to receive the ramping signal and a first threshold signal and generate a first comparison signal based on at least information associated with the ramping signal and the first threshold signal. Moreover, the system includes a second comparator configured to receive a second sensed signal and a second threshold signal and generate a second comparison signal. | 2013-10-17 |
20130272034 | METHOD OF FORMING A LOW POWER DISSIPATION REGULATOR AND STRUCTURE THEREFOR - In one embodiment, a method of forming a conditioning circuit includes configuring an output biasing network to provide a biasing voltage to an MOS transistor to enable the MOS transistor to operate in a saturated operating mode for input voltages that are less than a threshold voltage. | 2013-10-17 |
20130272035 | SWITCHING CONVERTER SYSTEMS WITH ISOLATING DIGITAL FEEDBACK LOOPS - A switching converter system includes a feedback path with at least one comparator arranged to provide a digital error signal in response to a comparison of an output voltage to a reference voltage. A first isolation channel can be configured to isolatably transport a clock signal to digitally gate the error signal, and a second isolation channel can be configured to isolatably transport the error signal. A controller can be coupled to the first and second isolation channels and configured to control a duty cycle in response to the error signal. A transformer is preferably inserted into the first and second isolation channels to enhance isolation and the first and second isolation channels respectively can include first and second digital gates that each have an output port coupled to an input port of the other. | 2013-10-17 |
20130272036 | SYSTEMS AND METHODS FOR REGULATING POWER CONVERSION SYSTEMS WITH OUTPUT DETECTION AND SYNCHRONIZED RECTIFYING MECHANISMS - System and method for regulating a power conversion system. A system controller for regulating a power conversion system includes a first controller terminal and a second controller terminal. The system controller is configured to receive at least an input signal at the first controller terminal, and generate a gate drive signal at the second controller terminal based on at least information associated with the input signal to turn on or off a transistor in order to affect a current associated with a secondary winding of the power conversion system. The system controller is further configured to, if the input signal is larger than a first threshold, generate the gate drive signal at a first logic level to turn off the transistor. | 2013-10-17 |
20130272037 | POWER SUPPLY CIRCUIT FOR REMOTELY TURNING-ON ELECTRICAL APPLIANCES - A power supply circuit for an electrical appliance, including a turning-on stage configured for determining a transition from a turned-off state, in which the power supply circuit is off and does not supply electric power, to a turned-on state of the power supply circuit. The turning-on stage includes a transducer of the remote-control type configured for triggering the transition in response to the reception of a wireless signal. In some embodiments, operating power is transmitted from a remote controller to a control circuit of the electronic equipment, such that the electronic equipment can be turned on remotely but draws zero standby power. | 2013-10-17 |
20130272038 | EXCITATION CONTROL CIRCUIT, CONTROL METHOD AND ELECTRICALLY EXCITED WIND POWER SYSTEM HAVING THE SAME - The present invention provides an excitation control circuit, a control method using the same and an electrically excited wind power system having the same. The excitation control circuit comprises at least one converter and at least one AC/DC conversion module. The converter is located between an AC electric grid and a wind power generator, so as to convert AC power generated by the wind power generator into AC power corresponding to the AC electric grid. The input side of the AC/DC conversion module is electrically connected between the converter and the wind power generator, and the output side is coupled to an excitation device. The AC/DC conversion module is used to convert the AC power from the wind power generator into a DC voltage, and provides an excitation current for the wind power generator using the DC voltage. | 2013-10-17 |
20130272039 | Procedures for the Operation of an Electrical Circuit - A method for operating an electrical circuit is described herein. The circuit includes a power converter having a plurality of switches and two capacitors that are parallel to the switches. The plurality of switches and the two capacitors are connected in series. The power converter has two AC voltage-sided connections and a measuring resistor is connected to the ground. A ground fault is detected by measuring a voltage drop in a measuring resistor. | 2013-10-17 |
20130272040 | DUAL-INPUT 18-PULSE AUTOTRANSFORMER RECTIFIER UNIT FOR AN AIRCRAFT AC-DC CONVERTER - A dual-input 18-pulse autotransformer rectifier unit for more electric aircraft AC-DC converter uses an autotransformer with a nine-phase output to condition AC power prior to DC rectifying the AC power. | 2013-10-17 |
20130272041 | ELECTRICAL DEVICE WITH LOW VOLTAGE OUTPUT AND LOW VOLTAGE TOUCH PANEL - Electrical devices are described. In one embodiment, an electrical device suitable for installation in an electrical gang/patress box includes an alternating current (AC) to direct current (DC) transformer configured to transform an AC power signal that is accessible from within the electrical gang/patress box into a DC power signal, a load regulator module configured to regulate a load device in response to the DC power signal, a microcontroller module configured to control the load regulator module in response to the DC power signal, and a connector configured to output a DC voltage signal having a voltage that is lower than the voltage of the AC power signal in response to the DC power signal. Other embodiments are also described. | 2013-10-17 |
20130272042 | CONTROL TECHNIQUE FOR A THREE-PHASE BOOST CONVERTER TO ACHIEVE RESISTIVE INPUT BEHAVIOR - A three-phase boost converter is disclosed, as well as a related control technique. In certain embodiments, the provided boost converter enables efficient transfer of energy from an irregular input power source to a battery storage device or a DC link. To achieve maximum power absorption in such cases, the provided embodiments utilize a variable resistive behavior across each phase of the converter using feedback control. | 2013-10-17 |
20130272043 | ELECTRIC POWER CONVERTER - An electric power converter includes a semiconductor module that has a semiconductor element therein, a cooler that cools the semiconductor module, a circuit board provided with a semiconductor control circuit that controls the semiconductor module, a capacitor electrically connected to the semiconductor module, and a quick discharge resistor for discharging an electric charge accumulated in the capacitor. The circuit board is provided with a discharge control circuit that controls a current that flows into the quick discharge resistor. The semiconductor module, the cooler, the capacitor, and the quick discharge resistor are disposed on one major surface of the circuit board. | 2013-10-17 |
20130272044 | INDUCTIVE POWER TRANSFER CONTROL - An inductive power transfer (IPT) control method is disclosed for controlling the output of an IPT pick-up. The invention involves selectively shunting first and second diodes of a diode bridge to selectively rectify an AC current input for supply to a load, or recirculate the AC current to a resonant circuit coupled to the input of the controller. By controlling the proportion of each positive-negative cycle of the AC input which is rectified/recirculated, the output is regulated. Also disclosed is an IPT controller adapted to perform the method, an IPT pick-up incorporating the IPT controller, and an IPT system incorporating at least one such IPT pick-up. | 2013-10-17 |
20130272045 | VOLTAGE SOURCE CONVERTER (VSC) WITH NEUTRAL-POINT-CLAMPED (NPC) TOPOLOGY AND METHOD FOR OPERATING SUCH VOLTAGE SOURCE CONVERTER - A Voltage Source Converter (VSC) ( | 2013-10-17 |
20130272046 | POWER CONVERSION DEVICE - The power conversion device includes a plurality of semiconductor modules, each having a main body section including a switching element therein. In a module unit, a positive module and a negative module are disposed such that main surfaces of the respective main body sections oppose each other. A positive terminal, a first intermediate terminal, a negative terminal, and a second intermediate terminal project in a Z direction perpendicular to X direction in which the positive module and the negative module oppose each other. A first vector V | 2013-10-17 |
20130272047 | MEMORY DEVICE FROM WHICH DUMMY EDGE MEMORY BLOCK IS REMOVED - A semiconductor memory device having an open bitline memory structure from which an edge dummy memory block is removed, the semiconductor memory device includes a memory block, an edge sense amplification block including a first sense amplifier having a first bitline, a first complementary bitline, and a first amplification circuit comprising a first transistor having a first size, a central sense amplification block including a second sense amplifier having a second bitline, a second complementary bitline, and a second amplification circuit comprising a second transistor having a second size different from the first size, a capacitor block electrically connected to the edge sense amplification block. | 2013-10-17 |
20130272048 | SELF-DISABLING CHIP ENABLE INPUT - A multi-die memory package may have separate chip enable inputs for the respective memory dice. Individual chip enable inputs may be separated by other chip connections such as power and ground. The memory dice may include multiple chip enable inputs to allow easy wire bonding of the individual chip enable inputs to a die without requiring any jumpers within the package. Circuitry may be included so that undriven chip enable inputs are masked and driven chip enable inputs may be propagated to the memory die to enable memory accesses while a single chip enable input is only connected to the capacitance of a single bonding pad. | 2013-10-17 |
20130272049 | STACKED MEMORY WITH INTERFACE PROVIDING OFFSET INTERCONNECTS - Dynamic operations for operations for a stacked memory with interface providing offset interconnects. An embodiment of memory device includes a system element and a memory stack coupled with the system element, the memory stack including one or more memory die layers. Each memory die layer includes first face and a second face, the second face of each memory die layer including an interface for coupling data interface pins of the memory die layer with data interface pins of a first face of a coupled element. The interface of each memory die layer includes connections that provide an offset between each of the data interface pins of the memory die layer and a corresponding data interface pin of the data interface pins of the coupled element. | 2013-10-17 |
20130272050 | NON-VOLATILE MEMORY, SEMICONDUCTOR DEVICE AND READING METHOD - There is provided a non-volatile memory circuit including: plural storage element sections each including a zener zap device and a switch section that connects an anode of the zener zap device to an output terminal during data reading; and wherein cathodes of respective zener zap devices of the plural storage element sections are commonly connected so as to be connected to a power supply employed in the writing or to a power supply employed in the reading, wherein the output terminals of the plural storage element sections are commonly connected to an input terminal of a detector, an anode of each of the storage element sections being connected to a ground voltage during data writing, and wherein the switch section is switched ON during data reading so as to connect the anode of the storage element section through the output terminal to the input terminal of the detector. | 2013-10-17 |
20130272051 | NON-VOLATILE MEMORY AND SEMICONDUCTOR DEVICE - There is provided a non-volatile memory including: plural zener zap devices, each including a cathode region and an anode region formed in a well; and a metal wiring line that is formed above the plural zener zap devices, that is commonly connected to each of the cathode regions, and that supplies a write voltage to each of the zener zap devices. | 2013-10-17 |
20130272052 | NONVOLATILE MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME - A nonvolatile memory device and system having a nonvolatile memory device accessible with a DRAM protocol. | 2013-10-17 |
20130272053 | APPARATUSES AND METHODS FOR PROVIDING SET AND RESET VOLTAGES AT THE SAME TIME - Apparatuses and methods are described, such as those involving driver circuits that are configured to provide reset and set voltages to different variable state material memory cells in an array at the same time. Additional apparatuses, and methods are described. | 2013-10-17 |
20130272054 | SYSTEM FOR POWERING UP VOLTAGE DOMAINS AFTER EXITING POWERDOWN EVENT - A system for charging a low voltage power domain in a low power DRAM includes: a first capacitor, for providing a local domain power voltage supply; a first transistor, coupled to the first capacitor and a voltage supply and turned on by a powerdown signal, the first transistor for decoupling the first capacitor during powerdown mode, and charging the capacitor to provide the local domain power voltage supply when exiting powerdown mode; a second capacitor selectively coupled to the voltage supply or the local domain voltage power supply; and a second transistor, coupled to the second capacitor, the powerdown signal, and the local domain power voltage supply, for decoupling the second capacitor from the local domain power voltage supply during powerdown mode and coupling the second capacitor to the local domain power voltage supply when exiting powerdown mode. | 2013-10-17 |
20130272055 | SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE - The memory circuit has a first writing mode in which data can be retained for a long time and a second writing mode in which data can be written at high speed. The memory circuit in which data reading is performed on the basis of a determined conductive state of a transistor includes first and second capacitor parts that are connected through a switch and retain electric charge corresponding to the data. The first writing mode is a mode where the switch is on and electric charge corresponding to the data is accumulated in the first and second capacitor parts that are electrically connected. The second writing mode is a mode where the switch is off, electric charge corresponding to the data is accumulated in the first capacitor part, and electric charge corresponding to the data is not accumulated in the second capacitor part. | 2013-10-17 |
20130272056 | Apparatus for SRAM Cells - A memory cell comprises a first word line in a first interconnect layer, a first VSS line, a first bit line, a power source line, a second bit line and a second VSS line formed a second interconnect layer, a second word line in a third interconnect layer. The memory cell further comprises a word line strap structure formed between the power source line and the second bit line, wherein the word line strap structure couples the first word line and the second word line. | 2013-10-17 |
20130272057 | GLOBAL BIT SELECT CIRCUIT WITH WRITE AROUND CAPABILITY - A global to local bit line interface circuit for domino static random access memory (SRAM) devices includes a pair of complementary global write bit lines in selective communication with an array of SRAM cells through corresponding local write bit lines, the complementary global write bit lines configured to write a selected SRAM cell with write data presented on a pair of complementary write data input lines; a pair of complementary global read bit lines in selective communication with the array of SRAM cells through corresponding local read bit lines, the complementary global read bit lines configured to read data stored in a selected SRAM cell and present the read data on a pair of complementary read data output lines; and write-around logic configured to directly couple the write data presented on the complementary global write bit lines to read data output circuitry associated with the complementary global read bit lines. | 2013-10-17 |
20130272058 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - The invention provides a semiconductor integrated circuit device provided with an SRAM that satisfies the requirements for both the SNM and the write margin with a low supply voltage. The semiconductor integrated circuit device include: multiple static memory cells provided in correspondence with multiple word lines and multiple complimentary bit lines; multiple memory cell power supply lines that each supply an operational voltage to each of the multiple memory cells connected to the multiple complimentary bit lines each; multiple power supply circuits comprised of resistive units that each supply a power supply voltage to the memory cell power supply lines each; and a pre-charge circuit that supplies a pre-charge voltage corresponding to the power supply voltage to the complimentary bit lines, wherein the memory cell power supply lines are made to have coupling capacitances to thereby transmit a write signal on corresponding complimentary bit lines. | 2013-10-17 |
20130272059 | DIFFERENTIAL MRAM STRUCTURE WITH RELATIVELY REVERSED MAGNETIC TUNNEL JUNCTION ELEMENTS ENABLING WRITING USING SAME POLARITY CURRENT - A magnetoresistive memory has first and second magnetic tunnel junction (MTJ) elements operated differentially, each with a pinned magnetic layer and a free magnetic layer that can have field alignments that are parallel or anti-parallel, producing differential high and low resistance states representing a bit cell value. Writing a high resistance state to an element requires an opposite write current polarity through the pinned and free layers, and differential operation requires that the two MTJ elements be written to different resistance states. One aspect is to arrange or connect the layers in normal and reverse order relative to a current bias source, thereby achieving opposite write current polarities relative to the layers using the same current polarity relative to the current bias source. The differentially operated MTJ elements can supplement or replace single MTJ elements in a nonvolatile memory bit cell array. | 2013-10-17 |
20130272060 | SELF-REFERENCED SENSE AMPLIFIER FOR SPIN TORQUE MRAM - Circuitry and a method provide a plurality of timed control and bias voltages to sense amplifiers and write drivers of a spin-torque magnetoresistive random access memory array for improved power supply noise rejection, increased sensing speed with immunity for bank-to-bank noise coupling, and reduced leakage from off word line select devices in an active column. | 2013-10-17 |
20130272061 | SPIN CURRENT GENERATOR FOR STT-MRAM OR OTHER SPINTRONICS APPLICATIONS - Spin current generators and systems and methods for employing spin current generators. A spin current generator may be configured to generate a spin current polarized in one direction, or a spin current selectively polarized in two directions. The spin current generator may by employed in spintronics applications, wherein a spin current is desired. | 2013-10-17 |
20130272062 | Method and Apparatus for Programming a Spin-Transfer Torque Magnetic Random Access Memory (STTMRAM) Array - A spin-transfer torque memory random access memory (STTMRAM) cell is disclosed comprising a selected magnetic tunnel junction (MTJ) identified to be programmed; a first transistor having a first port, a second port and a gate, the first port of the first transistor coupled to the selected MTJ; a first neighboring MTJ coupled to the selected MTJ through the second port of the first transistor; a second transistor having a first port, a second port, and a gate, the first port of the second transistor coupled to the selected MTJ; a second neighboring MTJ coupled to the selected MTJ through the second port of the second transistor; a first bit/source line coupled to the second end of the selected MTJ; and a second bit/source line coupled to the second end of the first neighboring MTJ and the second end of the second neighboring MTJ. | 2013-10-17 |
20130272063 | READ DISTRIBUTION MANAGEMENT FOR PHASE CHANGE MEMORY - Subject matter disclosed herein relates to a memory device, and more particularly to write performance of a phase change memory. | 2013-10-17 |
20130272064 | METHOD, APPARATUS, AND SYSTEM FOR IMPROVED READ OPERATION IN MEMORY - Various embodiments include methods, apparatus, and systems for reading an adjacent cell of a memory array in an electronic device to determine a threshold voltage value of the adjacent cell, the adjacent cell being adjacent a target cell, and reading the target cell of the memory array using a wordline voltage value based on the threshold voltage value of the adjacent cell. Additional apparatus, systems, and methods are described. | 2013-10-17 |
20130272065 | Off-Die Charge Pump that Supplies Multiple Flash Devices - A system and method for storing data uses multiple flash memory dies. Each flash memory die includes multiple flash memory cells. A charge pump is adapted to supply charge at a predetermined voltage to each flash memory die of the flash memory dies, and an interface is adapted to receive instructions for controlling the charge pump. | 2013-10-17 |
20130272066 | STRINGS OF MEMORY CELLS HAVING STRING SELECT GATES, MEMORY DEVICES INCORPORATING SUCH STRINGS, AND METHODS OF ACCESSING AND FORMING THE SAME - Strings of memory cells having a string select gate configured to selectively couple ends of a string to a data line and a source line concurrently, memory devices incorporating such strings and methods for accessing and forming such strings are provided. For example, non-volatile memory devices are disclosed that utilize vertical structure NAND strings of serially-connected non-volatile memory cells. One such string including two or more serially-connected non-volatile memory cells where each end of the string shares a string select gate with the other end of the string is disclosed. | 2013-10-17 |
20130272067 | NON-BOOSTING PROGRAM INHIBIT SCHEME IN NAND DESIGN - A low-current FN channel scheme for erase, program, program-inhibit and read operations is disclosed for NAND NVM memories. This invention discloses a block array architecture and 3-step half-page program algorithm to achieve less error rate of NAND cell threshold voltage level. Thus, the error correction code capability requirement can be reduced, thus the program yield can be increased to reduce the overall NAND die cost at advanced nodes below 20 nm. As a result, this NAND array can still use the LV, compact PGM buffer for saving in the silicon area and power consumption. In addition, the simpler on-chip state-machine design can be achieved with the superior quality of less program errors. | 2013-10-17 |
20130272068 | MANAGING OF THE ERASING OF OPERATIVE PAGES OF A FLASH MEMORY DEVICE THROUGH SERVICE PAGES - A method for managing a flash memory device including pages of memory cells is described. The memory device may be erasable at the page level, and the pages may include operative pages for storing operative values and service pages for storing information relating to the erasing of the operative pages. In response to a request to erase selected operative pages, the method may include determining a service page in use among the service pages according to service information stored in the service pages, verifying the presence a service page to be erased, and applying an erasing pulse to each service page to be erased. The method may also include writing an address of the operative pages into the service page in use, erasing the selected operative pages, and writing a completion indication of the erasing of the selected operative pages into the service page in use. | 2013-10-17 |
20130272069 | 3D NON-VOLATILE STORAGE WITH TRANSISTOR DECODING STRUCTURE - Disclosed herein are 3D stacked memory devices having WL select gates. The 3D stacked memory device could have NAND strings. The WL select gates may be located adjacent to a word line hookup area of a word line plate. The word line plate may be driven by a word line plate driver and may have many word lines. The WL select gates may select individual word lines or groups of word lines. Therefore, smaller units that the entire block may be selected. This may reduce capacitive loading. The WL select gates may include thin film transistors. 3D decoding may be provided in a 3D stacked memory device using the WL select gates. | 2013-10-17 |
20130272070 | ANALOG SENSING OF MEMORY CELLS WITH A SOURCE FOLLOWER DRIVER IN A SEMICONDUCTOR MEMORY DEVICE - Memory devices, methods, and sample and hold circuits are disclosed, including a memory device that includes a sample and hold circuit coupled to a bit line. One such sample and hold circuit includes a read circuit, a verify circuit, and a reference circuit. The read circuit stores a read threshold voltage that was read from a selected memory cell. The verify circuit stores a target threshold voltage that is compared to the read threshold voltage to generate an inhibit signal when the target and read threshold voltages are substantially equal. The reference circuit stores a reference threshold voltage that can be used to translate the read threshold voltage to compensate for a transistor voltage drop and/or temperature variations. | 2013-10-17 |
20130272071 | DETERMINING SOFT DATA FOR COMBINATIONS OF MEMORY CELLS - The present disclosure includes apparatuses and methods for determining soft data for combinations of memory cells. A number of embodiments include an array of memory cells including a first and a second memory cell each programmable to one of a number of program states, wherein a combination of the program states of the first and second memory cells corresponds to one of a number of data states, and a buffer and/or a controller coupled to the array and configured to determine soft data associated with the program states of the first and second memory cells and soft data associated with the data state that corresponds to the combination of the program states of the first and second memory cells based, at least in part, on the soft data associated with the program states of the first and second memory cells. | 2013-10-17 |
20130272072 | BYPASS STRUCTURE FOR A MEMORY DEVICE AND METHOD TO REDUCE UNKNOWN TEST VALUES - Aspects of the invention provide a bypass structure for a memory device for reducing unknown test values, and a related method. In one embodiment, a bypass structure for a memory device is disclosed. The bypass structure includes: a logic gate configured to receive a test signal and a clock signal; and an output latch configured to receive an output of the logic gate, an output of the memory device, and a bypass data signal, wherein the output latch is configured to hold the bypass data signal and bypass the output of the memory device in response to asserting the test signal, such that unknown data from the output of the memory device is bypassed. | 2013-10-17 |
20130272073 | SIGNAL MANAGEMENT IN A MEMORY DEVICE - Command signal management methods and circuits in memory devices are disclosed. Command signals are selectively passed and blocked to enforce safe operating characteristics within a memory device. In at least one embodiment, a command signal management circuit is configured to selectively block a command signal while a memory device operation is being performed. In at least one other embodiment, one or more command blocking circuits are configured to selectively pass and block one or more command signals generated by a memory access device coupled to the memory device while a memory device operation is being performed in the memory device. | 2013-10-17 |
20130272074 | NONVOLATILE MEMORY, ELECTRONIC APPARATUS, AND VERIFICATION METHOD - A gate voltage generator which supplies first gate voltage at erase verify time to a first selected word line to which a first memory cell included in N memory cells is connected, which supplies the first gate voltage at the erase verify time to a second selected word line to which a first reference cell included in M reference cells is connected, which supplies second gate voltage at the erase verify time to a first non-selected word line connected to a memory cell array, and which supplies third gate voltage at the erase verify time to a second non-selected word line connected to a reference cell array is included. An electric current which flows through a reference cell connected to the second non-selected word line is stronger than an electric current which flows through a memory cell connected to the first non-selected word line. | 2013-10-17 |
20130272075 | MEMORY ADDRESS REPAIR WITHOUT ENABLE FUSES - A memory chip design methodology is disclosed wherein fuse banks on the memory chip may be implemented without enable fuses. A fuse bank may be enabled by using one or more least significant bits (LSBs) in the memory address stored in the fuse bank, thereby avoiding the need for a separate enable fuse. A reduction in the number of fuses results in space savings on the memory chip real estate and also savings in power consumption because of fewer fuses to be blown and read. With reduced fuse count, the yield of the memory chip's die may also be improved because of less number of defective fuses or failed fuse blows. The use of effective default state inversion for address fuses may further reduce the average number of fuses that need to be blown to repair a given non-redundant memory address. Because of the rules governing abstracts, this abstract should not be used to construe the claims. | 2013-10-17 |
20130272076 | MEMORY DEVICE HAVING MULTI-PORT MEMORY CELL WITH EXPANDABLE PORT CONFIGURATION - A memory device includes a memory array comprising a plurality of memory cells. At least one of the memory cells comprises a pair of cross-coupled inverters, and a plurality of ports, including at least one write port. A given write port comprises at least one drive control circuit having an output coupled to respective gate terminals of both a write assist transistor and a drive transistor, with the write assist transistor being arranged in series with one of a pull-up and a pull-down path of a corresponding one of the inverters, and the drive transistor being configured to hold one of the internal nodes at a designated logic level in conjunction with a write operation. First and second drive control circuits of this type may generate complementary control signals for application to respective pairs of write assist and drive transistors associated with respective ones of the inverters. | 2013-10-17 |
20130272077 | CIRCUIT FOR MEMORY CELL RECOVERY - An apparatus and method for combating the effects of bias temperature instability (BTI) and other variability in a memory cell. Bit lines connecting to a memory cell contain two alternate paths that criss-cross to connect a lower portion of a first bit line to an upper portion of a second bit line, and to connect a lower portion of the second bit line to an upper portion of the first bit line. Alternative to activating transistors on the bit lines to read and write to the memory cell, transistors on the alternative paths may be activated to read and write to the memory cell from the opposite bit line. In this fashion, the memory cell may be read through the bit lines to a sense amplifier where the bit values are latched. While the bit values remain latched in the sense amplifier, the transistors on the bit lines are deactivated and the transistors on the alternate paths are activated. When the word line is accessed, the bit values will be written into the opposite sides of the memory cell, reversing the biases. | 2013-10-17 |