44th week of 2009 patent applcation highlights part 27 |
Patent application number | Title | Published |
20090268431 | ILLUMINATION DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE PROVIDED THEREWITH - An illumination device for use in a display device or display-device illumination device, includes a plurality of tubular lamps that can be driven in parallel, a first holding member having the same number of holders as the number of the tubular lamps, the holders of the first holding member being arranged to hold first ends of the tubular lamps, a second holding member having the same number of holders as the number of the tubular lamps, the holders of the second holding member being arranged to hold second ends of the tubular lamps, a power supply arranged to supply electric power to the tubular lamps through the first holding member and the second holding member, and a chassis for use in a display-device illumination device. The first holding member and the second holding member are fixed to the chassis for use in a display-device illumination device so as to have freedom of movement in the direction of the main axes of the tubular lamps. This helps reduce the possibility of lamps being broken due to thermal stress. | 2009-10-29 |
20090268432 | Display device having high brightness uniformity at positions close to light source - A display device including a plurality of light sources spaced apart from one another, a refracting plate disposed over the plurality of light sources, and first and second refracting surfaces formed at both surfaces of the refracting plate to allow light emitted from the light sources to be scattered plural times by passing through the refracting plate, the first and second refracting surfaces having different shapes from each other. With the display device, light emitted from the light sources can be uniformly diffused, whereby high brightness uniformity can be accomplished even at positions relatively close to the light source, resulting in a reduction in a thickness of the display device. | 2009-10-29 |
20090268433 | DIRECT-TYPE BACKLIGHT DEVICE - Provided is a direct-type backlight device having a sufficient luminance in a front direction and capable of suppressing a luminance unevenness on a light emitting plane with a reduced electric power consumption. In the direct-type backlight device having linear light sources | 2009-10-29 |
20090268434 | ILLUMINATION SYSTEM, ELECTRO-OPTIC DEVICE, AND ELECTRONIC APPARATUS - An illumination system includes a light source unit including a light source and a circuit substrate electrically connected to the light source. The light source is placed in the circuit substrate such that at least part of the light source overlaps the circuit substrate in the thicknesswise direction of the circuit substrate. | 2009-10-29 |
20090268435 | Downward Illumination Assembly - A downward illumination assembly for directing light downward from the ceiling area of a room. A lamp housing has an open lower end positionable adjacent an opening in a ceiling panel. A power supply module is removably supported in an installed position on the housing. The power supply module carries a lamp socket such that, when the power supply module is in the installed position, a lamp plugged into the lamp socket is disposed in a position to radiate light out the lower end of the lamp housing and through an opening in a ceiling panel that the housing is mounted on. The power supply module is removable interiorly of the lamp housing through the open lower end of the lamp housing. | 2009-10-29 |
20090268436 | Small scale illumination device - A small scale illumination device includes a case and at least one battery and a circuit board are located in the case. A Light Emitting Diode is connected to the circuit board and controlled by two press-switches on the circuit board. A cap is connected to the base and protrudes from an opening of the case. The cap includes a transparent dome portion and a flange extending from a lower portion of the dome portion. The flange is connected to the circuit board and can be moved when the user pushes the dome portion to activate either one of the press-switches. A base made by water-proof material is mounted to the case and the cap and two connection members are connected to the base so as to be connected to objects such as bicycle frame. | 2009-10-29 |
20090268437 | ILLUMINATION DEVICE - An illumination device that can simultaneously supply visible light, heat, and electricity, or visible light and heat, or visible light and electricity. A reflector plate, which has properties of reflecting visible rays and transmitting or absorbing heat rays, and a translucent panel, which has properties of transmitting visible rays and reflecting heat rays, efficiently split combustion light generated by high-brightness catalytic combustion fueled with combustible gaseous substance such as city gas, and a thermoelectric element converts heat into electricity. Thereby, effective energy use is realized. | 2009-10-29 |
20090268438 | SOLAR ILLUMINATION-AND-SURVEILLANCE DEVICE FOR A HOME GARDEN - A solar illumination-and-surveillance device for a home garden includes a support post, a lamp positioned at the upper end of the support post for receiving a light source member, a surveillance camera installed at a preset location of the lamp and having a lens for receiving and picking up images, which are processed and then transmitted to a receiving device by an emission device, and a solar power supply module assembled at the topside of the lamp and disposed with a upper cover having its surface installed with a solar panel. The upper cover is provided inside with a battery and a driving circuit electrically connected with the solar panel, the lamp and the surveillance camera. Solar energy absorbed in the daytime is changed into electric energy through photoelectric conversion and the electric energy is stored in the battery to be used at night. | 2009-10-29 |
20090268439 | LIGHTING DEVICE AND POWER SUPPLY SYSTEM FOR THE LIGHTING DEVICE - A lighting device includes a light collecting unit, a solar cell panel, a storage battery, a lighting element and a control unit. The light collecting unit includes a lens exposed to outside light, and an optical leveling element. The optical leveling element includes a light guide plate having a dot pattern arranged thereon and facing toward the lens module. A refractive index of the dot pattern gradually increases from a center to a periphery. The solar cell panel is aligned with the optical leveling element, and is configured for receiving light transmitted through the optical leveling element and converting the light into electrical energy. The control unit is connected to the solar cell panel and the storage battery, and is configured for controlling the solar cell panel to power the storage battery and controlling the storage battery to power the lighting element. | 2009-10-29 |
20090268440 | Portable lighting device - A portable lighting device has at least one LED light source ( | 2009-10-29 |
20090268441 | LIGHT EMITTING DIODE ILLUMINATION DEVICE - The disclosure provides a light emitting diode illumination device comprising a plurality of light emitting diodes, a holder, a first circuit board provided on the holder, a rechargeable battery, a generator, a turbine and a solar cell panel. The first circuit board has a first surface on which the plurality of light emitting diodes is installed and is electrically connected to the first circuit board. The rechargeable battery is electrically connected to the first circuit board to provide power to the plurality of light emitting diodes. The solar cell panel is electrically connected to the rechargeable battery to convert solar energy into electrical power, and the turbine is mechanically coupled to the generator to convert wind energy into electrical power, and charge the rechargeable battery. | 2009-10-29 |
20090268442 | SINGLE SIDED POWER SUPPLY DEVICE OF A LAMP STRUCTURE - The present invention relates to a single sided power supply device of a lamp structure. The lamp structure is mainly installed inside a cabinet, and by opening the cabinet door will enable the electrical circuit of the lamp structure to be a close circuit; vise versa, closing the cabinet door will result in the open circuit of the electrical circuit of the lamp structure. When the electrical circuit is a close circuit, the light emitting part of the lamp structure will generate light to illuminate the internal space of the cabinet so as clearly view the objects location in the cabinet, furthermore, also to prevent from a situation of fault connection by using the single sided power supply device. | 2009-10-29 |
20090268443 | Replacement battery cap for firearm optic - A replacement battery cap assembly for any firearm optic that is powered by a battery, a preferred embodiment of the replacement cap device, including a housing to secure the battery in the battery compartment of the optic connected to the remote switch. | 2009-10-29 |
20090268444 | Decorative Lighting Display - An electrically powered decorative assembly for interior or exterior display. The decorative assembly includes a main electrical string and one or more electrically wired light emitting ornaments electrically and detachably connected to the main string. The decorative assembly may further include one or more light emitting sources electrically connected to the main string. The decorative assembly may be displayed in celebration of religious holidays and secular occasions. | 2009-10-29 |
20090268445 | Light emitting device - A light emitting device includes a first LED source, a second LED source, a retaining bracket and a reflector. The retaining bracket is provided with a first retaining surface and at least a second retaining surface, the first retaining surface is fixed with the first LED source, the second retaining surface is fixed with the second LED source, the reflector is located corresponding to the second retaining surface and is connected with the retaining bracket. By an installation of a plurality of light sources, luminance of the light emitting device is improved effectively. In addition, by an installation of the reflector, light of the second LED source will be more uniform. | 2009-10-29 |
20090268446 | ILLUMINATION DEVICE - An illumination device includes a light-pervious substrate, a solid-state light source and at least one solar cell. The substrate has a bottom surface, a light incident surface adjacent to the bottom surface, and a light emitting surface opposite to the bottom surface. The solid-state light source is arranged on the light incident surface for emitting light into the substrate through the light incident surface. The at least one solar cell is arranged on the bottom surface of the substrate to absorb and convert solar energy into electric energy and supply the electric energy to the solid-state light source. | 2009-10-29 |
20090268447 | LED LAMP - An LED lamp includes a lamp base with a plate-like shape, a bracket mounted on a top side of the lamp base, a heat sink fixed on the bracket, two LED modules respectively attached on two opposite ends of the heat sink, and a housing engaging on the lamp base and enclosing the bracket, the heat sink and the LED modules therein. The bracket includes two horizontal sections coupled to the lamp base, two connecting sections respectively abutting against the two opposite ends of the heat sink and a pair of fixing arms for suspending the heat sink above the lamp holder. Each fixing arm extends upwardly from a corresponding horizontal section and connects with a corresponding connecting section. | 2009-10-29 |
20090268448 | SOUND-ACTIVATED LIGHT SOURCE SYSTEM - An exemplary sound-activated light source system includes a light source device and a sound-activated controlling device. The sound-activated controlling device includes an acoustoelectric transforming member and a controlling circuit. The acoustoelectric transforming member includes electroactive polymer artificial muscle for converting an acoustic signal into an electrical signal. The controlling circuit is electrically coupled to the acoustoelectric transforming member and the light source device, and is configured for controlling at least one of brightness and color of light emitting from the light source device based on the electrical signal received from the acoustoelectric transforming member. | 2009-10-29 |
20090268449 | METHOD AND A LIGHTING SYSTEM - The present invention relates to a lighting system ( | 2009-10-29 |
20090268450 | LIGHTING DEVICE AND METHOD OF PRODUCING THE SAME - A lighting device includes an optically transmissive glass substrate ( | 2009-10-29 |
20090268451 | LED LAMP ASSEMBLY - An LED lamp assembly includes a bracket and an LED lamp mounted on a side of the bracket. The LED lamp includes an envelope, a first heat sink enclosed by the envelope, a plurality of LED modules mounted on the first heat sink, and a pair of second heat sinks. The second heat sinks are located at outside of the envelope, and abut against opposite ends of the envelope and connect with the first heat sink. | 2009-10-29 |
20090268452 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a reflecting portion and a plurality of LEDs. The reflecting portion is formed by rotating a half-parabola, a whole parabola of which has a vertex and a focal point located on the X-axis. The half-parabola extends from the vertex to the Y-axis, and rotates around the Y-axis to form the reflecting portion. The focal points of the half-parabolas of the reflecting portion form an arc-shaped trajectory, the vertexes of the half-parabolas of the reflecting portion form an arc and defining a first open side, and two outmost half-parabolas of the reflecting portion form a second open side of the reflecting portion. The plurality of LEDs are located on the trajectory, and face the reflecting portion. Light emitted by the plurality of LEDs travels to the reflecting portion and then is reflected parallelly therefrom to the second open side. | 2009-10-29 |
20090268453 | LED baffle assembly - A baffle assembly is provided for use with a lighting fixture having light emitting diodes or emitters as a source of light. The baffle assembly has baffles with an emitter aperture there between. The emitters are mounted in the emitter apertures and the baffles control the light from the emitter into the desired lighting configuration. In one design, a portion of the light is radiated into a first zone that is closest to the fixture, another portion of the light is radiated into a second zone which is at least in part outwardly away from the first zone, and yet another portion of light is radiated with substantially no reflection by the baffles into a third zone, which is at least in part outwardly away from the second zone. | 2009-10-29 |
20090268454 | LIGHT GUIDE SHEET AND MOVABLE CONTACT ELEMENT USING THE SAME - A light guide sheet and a movable contact element using the single sheet have a simple structure and can be variously illuminated. The light guide sheet includes irregular-shaped light emitting elements formed on a film-like base material; and light-transmissive, belt-shaped light guide parts each connecting a predetermined number of groups of the light emitting elements. In addition, dome-shaped movable contacts formed of a conductive sheet metal are arranged on the bottom surfaces of the light emitting elements. This structure allows the light emitting elements to emit light of different colors from each other or to emit light with a time difference by making the light guide parts introduce the light of the light-emitting devices corresponding thereto. | 2009-10-29 |
20090268455 | LED LIGHTING DEVICE - LED lighting device comprising:
| 2009-10-29 |
20090268456 | High performance luminaire with a lamp and a reflector - A high performance luminaire having at least one lamp ( | 2009-10-29 |
20090268457 | LED PACKAGE AND BACKLIGHT UNIT USING THE SAME - The invention relates to an LED package having a large beam angle of light emitted from an LED, simplifying a shape of a lens and an assembly process, and to a backlight unit using the same. The LED package includes a housing with a seating recess formed therein and at least one LED seated in the seating recess. The LED package also includes a lens having a predetermined sag on an upper side thereof, covering an upper part of the LED. The LED package and the backlight unit using the same can emit light uniformly without bright spots formed in an output screen, uses a simpler shaped lens with an increased beam angle, and minimizes a color mixing region to achieve miniaturization. | 2009-10-29 |
20090268458 | Illumination device - Disclosed is an illumination device for projecting a substantially uniform light at a remote distance. The illumination device comprises a mounting assembly divided into a plurality of sections, each section comprising a plurality of light emitting sources arranged substantially equi-distant along a circumference of said assembly at an angle to project a light image at the remote distance, an contact plate connected via a central axis with, and fixed to, the mounting assembly, the contact plate providing an electrical contact to each of the light emitting devices, a plurality of lensing assemblies equal in number to plurality of sections axially aligned with the mounting assembly, the lensing assembly aligned with a select one of the light emitting sources in a corresponding section, the light emitting source being positioned in front of a focal point of the lensing assembly, each lensing assembly comprising at least one optically transparent lens determining said lensing assembly focal point, and means for shifting said contact plate and mounting assembly to align a select one of said light emitting devices with a corresponding lensing assembly. In another aspect of the invention, the lens assemblies may be positioned linearly and light emitting sources are positioned along an edge of the mounting assemblies, wherein the LEDs are positioned in front of the lensing assemblies by shifting each of the mounting assemblies. | 2009-10-29 |
20090268459 | LIGHT EMITTING DIODE LAMP - An LED lamp includes a base, a plurality of LEDs arranged on the base, and a cover. Each LED has an emitting surface. The cover includes a mounting side attached to the base, and an opposite emitting side. A plurality of blind holes extends into the cover from the mounting side of the cover, and encases the plurality of LEDs therein, respectively. Each blind hole includes an open side facing the base, an opposite closed side facing the emitting surface of the LED, and a sidewall arranged between the open side and the closed side of the blind hole. An area of the closed side of each hole exceeds that of the open side of the blind hole. The sidewall surrounds the LED and reflects light of the LED to the closed side of the blind hole of the cover. | 2009-10-29 |
20090268460 | LIGHT COLLIMATION AND MIXING OF REMOTE LIGHT SOURCES - A light-emitting device, comprising at least a first light source ( | 2009-10-29 |
20090268461 | Photon energy conversion structure - A photon energy conversion device uses at least one ultraviolet light emitting diode (UV-LED) with a wavelength shifting medium such as phosphor or quantum dots. The device can be used as a light source, and shaped like incandescent light bulbs, fluorescent tubes, circles or compact fluorescent bulbs. | 2009-10-29 |
20090268462 | LED LAMP - An LED lamp includes a housing, a bracket snugly received in the housing, a connecting member fixed to a top of the bracket, a heat sink standing on a top of the connecting member, a plurality of LEDs attached an outer surface of the heat sink and an envelope which is placed on the top of the connecting member, encloses the heat sink and the LEDs therein and engages with the housing. The bracket has a connecting plate. A plurality of electronic components is mounted on a front side of the connecting plate and a plurality fins extending from a rear side of the connecting plate. A covering panel is used to cover an opening of the bracket in front of the connecting plate. | 2009-10-29 |
20090268463 | LED LAMP WITH HEAT SINK - An LED lamp ( | 2009-10-29 |
20090268464 | LED LAMP WITH HEAT SINK - An LED lamp includes a plurality of LED modules, a heat absorbing member, a heat sink and an envelope. The heat absorbing member comprises a plurality of inclined top boards oriented toward different directions and a plurality of horizontal bottom boards located below and connecting with corresponding top boards. A plurality of air passages is defined between the top board and the bottom board. Each of the LED modules is attached on a corresponding top board. The heat sink thermally contacts the heat absorbing member. The envelope is mounted on the heat sink and engages with the heat sink to enclose the heat absorbing member and LED modules therein. | 2009-10-29 |
20090268465 | ELECTRONIC DEVICE - An electronic device includes a housing and at least one light source. The housing defines a chamber therein and includes an inner surface defining at least one recess configured with a specified pattern. The at least one light source is fixed in the chamber and corresponds to the at least one recess. The at least one recess is transparent and the at least one light source transmits light to the at least one recess, thereby displaying the specified pattern on an outer surface opposite to the inner surface of the housing. | 2009-10-29 |
20090268466 | DIFFUSED LIGHT PROJECTOR - Diffused light projector comprising:
| 2009-10-29 |
20090268467 | LAMP ADJUSTMENT IN A LIGHT FIXTURE - A lamp adjustment arrangement in a light fixture, whereby a lamp socket is adjustable from the backside of a reflector by screwing in one or more directions. To perform effective independent adjustment of a light source in relation to a reflector, the lamp socket is adjustable in three directions by independent adjusting mechanisms, where a first adjustment in a first X direction is performed by first tilting an inner ring by a first screwing mechanism, where a second adjustment in a second Y direction is performed by tilting a second middle ring by a second screwing mechanism, and where a third adjustment is performed by a linear translation of a third outer ring in relation to a surrounding frame by a third screwing mechanism. | 2009-10-29 |
20090268468 | LED ILLUMINATING DEVICE AND LIGHT ENGINE THEREOF - An LED illuminating device includes an optical section ( | 2009-10-29 |
20090268469 | ILLUMINATION UNIT FOR PROJECTION SYSTEMS - An illumination unit for emitting light along an optic axis for a projection system includes an LED die and a collimator lens. The collimator lens includes a central part and a peripheral part. The central part has a first light transmission surface and a second light transmission surface opposite to the first light transmission surface. The peripheral part which is around the central part has an inner refraction wall coupled to the first light transmission surface to form a hollow for situating the LED die, an outer reflection wall opposite to the inner refraction wall, and a refraction surface connecting to the second light transmission surface and the outer reflection wall. Both the central part and the peripheral part of the collimator lens are rotationally asymmetrical corresponding to the optic axis. | 2009-10-29 |
20090268470 | LED LAMP - A reduced size LED lamp includes: a cap of the type GX53 that meets IEC standards; a substrate attached to the cap, which an LED is mounted on; and a light emitting surface cover case attached to the cap so as to cover the substrate. | 2009-10-29 |
20090268471 | LENS DEVICE AND ILLUMINATION APPARATUS HAVING THE SAME - A lens device used for an LED package includes a base portion, and a refracting portion formed on the top face of the base portion. A recess corresponding to the refracting portion is formed on the bottom face of the base portion. At least one notch connecting with the recess is also formed on the bottom face of the base portion. A surface of refracting portion is provided as a non-spherical convex surface. An indent is formed on the center of the non-spherical convex surface. The light emitted from the LED package is directed toward lateral side, and the angular intensity distribution has an asymmetrical batwing shape, so as to obtain an illuminating apparatus with uniformly illumination. | 2009-10-29 |
20090268472 | DISPLAY DEVICE WITH REDUCED INTERFERENCE FRINGE EFFECT - A display device that is capable of reducing interference fringe such as a moiré pattern is presented. The display device comprises first and second substrates facing each other, each of the first and second substrates comprising fibers arranged in a lattice pattern, and a pixel layer formed between the first and second substrates. The fibers in the first substrate extend in a first direction and a second direction that is substantially perpendicular to the first direction, the fibers in the second substrate extend in a third direction and a fourth direction substantially perpendicular to the third direction, and the first direction and the third direction form an oblique angle. | 2009-10-29 |
20090268473 | BACKLIGHT CHASSIS, A BACKLIGHT UNIT, AND A DISPLAY DEVICE - A backlight chassis that is capable of preventing an unusual noise caused by vibrations of a backlight unit or a tubular lamp houses tubular lamps arranged behind a display panel via optical sheets. The backlight chassis includes lamp holding members provided on a lamp housing surface of the backlight chassis, for holding the tubular lamps at an approximate midpoint thereof, wherein the lamp holding members and the backlight chassis are defined by a unitary molded resin member. | 2009-10-29 |
20090268474 | Adjustable Light Fixture - Disclosed is an adjustable light fixture. The light fixture can include a housing assembly comprising an outer housing surrounding a central opening; a first adjustment mechanism configured to tilt the light source comprising a first rotating member; and a second adjustment mechanism configured to rotate the light source comprising a second rotating member, where the first and second rotating members are substantially parallel to one another. The light fixture can also include a biasing member that will return the housing assembly to a first tilted position from a second titled position. | 2009-10-29 |
20090268475 | VENTILATION SYSTEM FOR LAMP ENCLOSURES - A vent for a lamp enclosure comprises a passageway between the interior and exterior of the enclosure, a non-planar vent element covers the passageway. The vent has improved air flow and offers splash protection against liquids. | 2009-10-29 |
20090268476 | LED LAMP HAVING A VAPOR CHAMBER FOR DISSIPATING HEAT GENERATED BY LEDS OF THE LED LAMP - A heat dissipation device includes a heat conductive member, a fin unit coupled to a bottom surface of the heat conductive member and a plurality of LED modules attached to a top surface of the heat conductive member. The heat conductive member consists of a first plate, a second plate parallel to the first plate and a plurality of posts sandwiched between the first and second plates. Peripheries of the first and second plate are in a hermetical conjunction with each other to form a chamber containing a phase-changeable working fluid therein. The first and second plates therein define a plurality of through orifices. The posts each define therein a screwed orifice which is in alignment with corresponding through orifices of the first and second plates respectively and threadedly receives a screw extending through the LED module. | 2009-10-29 |
20090268477 | LED LAMP - An LED lamp includes a bracket, a heat sink mounted on a top side of the bracket, and a plurality of LED modules mounted on the heat sink. The heat sink includes a base and a plurality of mounting members extending downwardly from a bottom surface of the base. Each of the mounting members includes an extending plate formed on the bottom surface of the base and a mounting plate extending slantwise upwardly and outwardly at a bottom end of the extending plate. The LED modules are mounted on bottom surfaces of the mounting plates of the mounting members of the heat sink, respectively. The extending plates have gradually decreased lengths from two central ones thereof toward lateral ones thereof. The mounting plates and the bottom surface of the base form acute angles which are gradually decreased from a center of the base to lateral sides of the base. | 2009-10-29 |
20090268478 | Motorcycle Safety Device - A motorcycle safety device includes a housing and a mount for coupling the housing to a motorcycle. A light assembly is removably coupled to the housing, the light assembly including a casing, a light positioned inside the casing, a lens coupled to the casing, and a battery positioned inside the casing. An input is in communication with the light to selectively cause the light to illuminate an area in front of the housing. A processor, tilt sensor, timer, and speaker are coupled to the housing, the tilt sensor and timer being in data communication with the processor. The processor includes programming to actuate at least one of the light and speaker upon the tilt sensor detecting a tilt event for a predetermined amount of time measured by the timer. | 2009-10-29 |
20090268479 | Lighted Bicycle Pedal - The present invention is an apparatus and method for illuminating a bicycle crank. A magnetic coil is coiled around a portion of a tubular structure which houses a magnetic component. The magnetic component moves slidably inside the tubular structure passing through the magnetic coil. The tubular structure is housed in an outer housing which encases a bicycle crank or fits within a specially designed bicycle crank. When the bicycle crank rotates, the magnet slides back and forth through the magnetic coil generating an electric current that is used to power an LED. | 2009-10-29 |
20090268480 | LAMP UNIT FOR VEHICLES - In existing lamp unit for vehicles, the light from the semiconductor light source can not be effectively used. In the present invention, a planar reflect surface ( | 2009-10-29 |
20090268481 | LAMP UNIT FOR VEHICLES - In existing lamp unit for vehicles, the light from the semiconductor light source can not be effectively used. In the present invention, a shade ( | 2009-10-29 |
20090268482 | PEDESTRIAN SAFETY HEADLAMP ASSEMBLY - A headlamp assembly for an automotive vehicle includes a housing and a lens. At least one protrusion is located on or adjacent to the housing such that the protrusion and lens are urged together when the headlamp assembly is subjected to an impact, contact between the lens and the at least one protrusion initiating controlled deformation and/or breakage of the lens. | 2009-10-29 |
20090268483 | ILLUMINABLE MARKING DEVICE - An illuminable marking device includes a light guide panel overlaid with an illuminable pressure-sensitive film. Light is injected into the light guide panel at an angle of incidence sufficient to establish total internal reflection of the light between the surfaces of the light guide panel. When pressure is applied at selected points on the illuminable pressure-sensitive film, contact points on the film then interface with the light guide panel. The total internal reflection of light at that contact point is frustrated, allowing light to be extracted from the light guide panel and transmitted into the illuminable pressure-sensitive film. The viewer then sees illumination at the selected points. The illuminable marking device can be toy where children can create illuminated markings and drawings. | 2009-10-29 |
20090268484 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit enters the light guide plate, an upper surface joined to the incident light surface and that includes a prism pattern, and a lower surface opposing the upper surface and formed with a plurality of concave portions. A diffusing pattern is formed on one of the upper surface and the lower surface. | 2009-10-29 |
20090268485 | BACKLIGHT MODULE - A backlight module including several light sources, a frame, a light guide plate and a flexible printed circuit board is provided. The flexible printed circuit board includes a body and a fixing structure. The body is bent, so that a first part and a second part of the body are respectively disposed on two sides of the frame. The light sources are disposed on the first part, and the light-emitting surfaces of the light sources face the light guide plate. The fixing structure including a structure body, several first connecting portions and two protrusions is disposed on the first part. The first connecting portions extend from the two opposite first sides and are fixed on the body, so that the structure body is positioned above the light sources. The protrusions respectively extend slantwise from the first sides toward the direction opposite to the structure body and insert into the frame. | 2009-10-29 |
20090268486 | Self-oscillating modulator - A self-oscillating modulator operates at a two-level output. The modulator comprises an alternating output stage ( | 2009-10-29 |
20090268487 | CIRCUIT FOR OUTPUT VOLTAGE ERROR DETECT AND FEEDBACK IN SMPS - The present invention relates to an error information detection circuit and an error feedback circuit, which detect the error of an output voltage from a voltage induced to a winding. The circuit for detecting error information of an output voltage of a transformer from voltage induced to the feedback winding of the transformer and feeding back the error information includes a flyback period detection circuit ( | 2009-10-29 |
20090268488 | Semiconductor device for controlling switching power supply - A semiconductor device controls a switching power supply. The semiconductor device includes a current inflow terminal; a starter circuit to cause a starting current to flow from the current inflow terminal to a power supply terminal to charge a capacitor externally connected to the power supply terminal; a control unit which controls the starter circuit to turn on to charge the capacitor with the starting current and controls the starter circuit to turn off to perform brown-out detection; a comparator which detects a brown-out state while the starter circuit is turned off; and a brown-out detection unit which receives output signals from the comparator and the control unit as inputs. The brown-out detection is performed while the starter circuit is off, so that the current inflow terminal for the starter circuit is used in common as a voltage detection terminal for detection of the brown-out state. | 2009-10-29 |
20090268489 | FLYBACK CONVERTER HAVING AN ACTIVE SNUBBER - A flyback converter having an active snubber includes a transformer to receive input power. The transformer has a primary winding at a first side. The active snubber is coupled in parallel with two ends of the primary winding and has a first circumferential circuit coupling in parallel with the primary winding, a second circumferential circuit and a zero voltage switch unit. The second circumferential circuit is controlled by the zero voltage switch unit and incorporated with the first circumferential circuit to form double damping paths to reduce current and prevent resonance that might otherwise occur to a single circumferential circuit and the secondary side of the transformer. | 2009-10-29 |
20090268490 | Systems and Methods For Controlling A Converter For Powering A Load - Embodiments of systems and methods for powering a load are provided. In one embodiment, a method may include providing a power converter comprising electrical circuitry comprising at least a first leg and a second leg, supplying an input power signal to the power converter, supplying at least a first gating control signal to the first leg, supplying at least a second gating control signal to the second leg, and outputting at least one output power signal to the load responsive at least in part to the first and the second gating control signals supplied. According to this example embodiment, the first gating signal and the second gating signal may each comprise a waveform comprising a notch, and the second gating control signal may be phase shifted relative to the first gating control signal. | 2009-10-29 |
20090268491 | POWER CONVERTER WITH RETRACTABLE CABLE SYSTEM - A modular power converter including a first housing enclosing a converter circuit, and a selectively detachable second housing enclosing a retracting power cable. In a first orientation, the detachable second housing is secured to the first housing to form a unitary housing. In a second orientation, the second housing is detached from the first housing such that a first end of the extended power cable may tether to the first housing output a selectable distance therefrom. The cable also has a second end extendable from the second housing a predetermined distance. This modular power converter forms a single compact device when the power cable is not extended from the second housing. | 2009-10-29 |
20090268492 | Switching Regulator and Electronic Device Therewith - A switching regulator ( | 2009-10-29 |
20090268493 | POWER-ON RESET CIRCUIT AND ELECTRONIC DEVICE USING THE SAME - A power-on reset circuit connected to an external DC power source includes a delay circuit, a rectifying circuit, and a logic operation circuit. The delay circuit includes a first delay unit used for outputting a first delaying reference signal and a second delay unit used for outputting a second delaying reference signal. The rectifying circuit connected to the delay circuit includes a first rectifying unit and a second rectifying unit. The first rectifying unit is connected to the first delay circuit used for rectifying the first delaying reference signal to output a first rectified signal. The second rectifying unit is connected to the second delay circuit used for rectifying the second delaying reference signal to output a second rectified signal. The logic operation circuit is connected to the rectifying circuit used for outputting a reset signal according to the first rectified signal and the second rectified signal. | 2009-10-29 |
20090268494 | Synchronous Rectifier Control Circuit and Method - Circuit and method for controlling a synchronous rectifier. A circuit for monitoring the drain to source voltage of an SR transistor in a secondary side circuit of a voltage converter is disclosed, having a circuit for generating a gate control circuit for the SR MOSFET; the circuit preventing subsequent gate control signals until a primary turn on detection signal is received. In another embodiment a circuit for generating the primary turn on detection signal is provided. A method for controlling an SR transistor is disclosed comprising monitoring the drain to source voltage of the SR MOSFET, generating a gate control output, and preventing subsequent gate control output signals until a primary turn on detection signal is received. In another method embodiment a method for generating the primary turn on detection signal is disclosed. An SR embodiment incorporating the control circuit embodiments is disclosed. | 2009-10-29 |
20090268495 | Electric circuit, use of a semiconductor component and method for manufacturing a semiconductor component - The invention relates to an electric circuit comprising at least one semiconductor component ( | 2009-10-29 |
20090268496 | THREE-PHASE BUCK-BOOST POWER FACTOR CORRECTION CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of a three-phase buck-boost power factor correction (PFC) circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a first single-phase buck-boost PFC circuit receiving a first phase voltage and having a first and a second output terminals and a neutral-point for outputting a first and a second output voltages, a second single-phase buck-boost PFC circuit receiving a second phase voltage and coupled to the first and the second output terminals and the neutral-point, a third single-phase buck-boost PFC circuit receiving a third phase voltage and coupled to the first and the second output terminals and the neutral-point, a first and a second output capacitors coupled to the first and the second output terminals respectively, and to the neutral-point also and a neutral line coupled to the neutral-point. | 2009-10-29 |
20090268497 | FULL-WAVE RECTIFYING DEVICE - A full-wave rectifying device includes a first rectification module and a second rectification module. The first rectification module includes one or a plurality of first rectification units. The second rectification module includes one or a plurality of second rectification units. In each of a plurality of transistors, the substrate is connected to the source so as to reduce the body effect of the rectifying circuit efficiently and enable generation of a dc voltage signal through rectification by a plurality of capacitors. A multistage rectifying circuit architecture including a plurality of first rectification units and second rectification units is provided, so as to reduce the body effect of transistors of a conventional rectifier and significantly stabilize the voltage output level, thereby allowing the rectifying circuit to generate a dc voltage level of designed value. | 2009-10-29 |
20090268498 | Semiconductor memory device and method of performing data reduction test - A semiconductor device includes a plurality of package terminals included in a package, a plurality of chips provided on the package, each of the chips including a memory cell array and a plurality of data input/output terminals, and a plurality of data line control switch disposed between the plurality of package terminals and the plurality of data input/output terminals. The plurality of data line control switches of each of the chips connects the data input/output terminals of each of the chips to corresponding ones of the plurality of package terminals in a normal mode. The plurality of data line control switches connects different groups of the data input/output terminals in different ones of the chips to respective groups of the package terminals in a test mode. The respective groups of the data input/output terminals belong to the plurality of data input/output terminals. The respective groups of the package terminals are different between different ones of the chips. | 2009-10-29 |
20090268499 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes first and second driving transistors; first and second load transistors; and first and second transmission transistors. Their respective drain diffusion layers of the transistors are isolated from one another. The semiconductor memory device also includes a bit cell in which the first and second driving transistors, the first and second load transistors, and the first and second transmission transistors are arranged; a first wiring for connecting their respective drains of the first driving transistor, the first load transistor, and the first transmission transistor; and a second wiring for connecting their respective drains of the second driving transistor, the second load transistor, and the second transmission transistor. | 2009-10-29 |
20090268500 | WORDLINE RESISTANCE REDUCTION METHOD AND STRUCTURE IN AN INTEGRATED CIRCUIT MEMORY DEVICE - Methods and structures for reducing resistance in wordlines of an integrated circuit memory device are disclosed. In one embodiment, the method includes forming multiple columns of polycrystalline silicon for respective number of wordlines, forming core transistor junctions and periphery transistor junctions associated with the wordlines, performing a salicidation process for the periphery transistor junction and performing a salicidation process for the columns of polycrystalline silicon to from the wordlines with low resistance. | 2009-10-29 |
20090268501 | Novel SRAM Cell Array Structure - This invention discloses a static random access memory (SRAM) cell array structure which comprises a first and second bit-line coupled to a column of SRAM cells, the first and second bit-lines being substantially parallel to each other and formed by a first metal layer, and a first conductive line being placed between the first and second bit-lines and spanning across the column of SRAM cells without making conductive coupling thereto, the first conductive line being also formed by the first metal layer. | 2009-10-29 |
20090268502 | Semiconductor device with non-volatile memory and random access memory - A semiconductor device including a large capacity non-volatile memory and at least one random access memory, said the access time of said device being matched to the access time of each random access memory. The semiconductor memory device is comprised of: a non-volatile memory FLASH having a first reading time; a random access memory DRAM having a second reading time which is more than 100 times shorter than the first reading time; a circuit that includes a control circuit connected to both the FLASH and the DRAM and enabled to control accesses to those FLASH and DRAM; and a plurality of I/O terminals connected to the circuit. As a result, FLASH data is transferred to the DRAM before the DRAM is accessed, thereby matching the access time between the FLASH and the DRAM. Data is written back from the DRAM to the FLASH as needed, thereby keeping data matched between the FLASH and the DRAM and storing the data. | 2009-10-29 |
20090268503 | NON-VOLATILE MEMORY BITCELL - A non-volatile memory bitcell which comprises a first bistable cantilever module and a second bistable cantilever modules. The bistable cantilever modules have a shared output terminal and each has an input terminal and two actuating terminals. The first and second cantilever modules are arranged such that their states are complementary. The memory bitcell further includes buffering means arranged to prevent the flow of current from the shared output terminal and further arranged to indicate the states of the first and second cantilever modules. | 2009-10-29 |
20090268504 | FERROELECTRIC MEMORY DEVICE AND OPERATING METHOD FOR THE SAME - A ferroelectric memory device includes: a plurality of memory banks configured to include a memory cell array composed of a ferroelectric memory; a cache bank configured to be bus-connected with the memory banks, and for copying data stored in the memory banks; and a memory bank/cache control sequencer for accessing and refreshing to the memory banks and the cache bank, wherein a random access control to the ferroelectric memory is possible during each memory cycle without delay of refresh operation. | 2009-10-29 |
20090268505 | Method of Operating an Integrated Circuit, and Integrated Circuit - According to one embodiment of the present invention, a method of operating an integrated circuit including a plurality of resistivity changing memory cells connected in parallel is provided. The method includes: choosing a resistivity changing memory cell having a first memory state out of the plurality of resistivity changing memory cells; measuring a first total resistance of the plurality of resistivity changing memory cells; setting the chosen resistivity changing memory cell to a second memory state, measuring a second total resistance of the plurality of resistivity changing memory cells; and determining the first memory state of the chosen resistivity changing memory cell in dependence on the first total resistance and the second total resistance. | 2009-10-29 |
20090268506 | STORAGE DEVICE INCLUDING A MEMORY CELL HAVING MULTIPLE MEMORY LAYERS - In a particular illustrative embodiment, a storage device includes a controller and a plurality of resistive elementary memory cells accessible via the controller. Each resistive elementary memory cell of the plurality of resistive elementary memory cells includes a plurality of memory layers selected to have hysteretic properties to store multiple data values. | 2009-10-29 |
20090268507 | PHASE CHANGE MEMORY DEVICE AND METHOD OF MANUFACTURE - A phase change memory control ring lower electrode is disclosed. The lower electrode includes an outer ring electrode in thermal contact with a phase change memory element, an inner seed layer disposed within the outer ring electrode and in contact with the phase change memory element, and an electrically conductive bottom layer coupled to the outer ring electrode. | 2009-10-29 |
20090268508 | Reverse leakage reduction and vertical height shrinking of diode with halo doping - One embodiment of the invention provides a semiconductor diode device including a first conductivity type region, a second conductivity type region, where the second conductivity type is different from the first conductivity type, an intrinsic region located between the first conductivity type region and the second conductivity type region; a first halo region of the first conductivity type located between the second conductivity type region and the intrinsic region, and optionally a second halo region of the second conductivity type located between the first conductivity type region and the intrinsic region. | 2009-10-29 |
20090268509 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device comprises a memory cell array including first and second mutually crossing lines and electrically erasable programmable memory cells arranged at intersections of the first and second lines, each memory cell containing a variable resistor operative to nonvolatilely store the resistance thereof as data and a first non-ohmic element operative to switch the variable resistor; and a clamp voltage generator circuit operative to generate a clamp voltage required for access to the memory cell and applied to the first and second lines. The clamp voltage generator circuit has a temperature compensation function of compensating for the temperature characteristic of the first non-ohmic element. | 2009-10-29 |
20090268510 | DYNAMIC RANDOM ACCESS MEMORY CIRCUIT, DESIGN STRUCTURE AND METHOD - Disclosed is a DRAM circuit that incorporates an improved reference cell, has half the capacitance of the memory cell, does not require a particular reference voltage, and can be formed using the same fabrication processes as the memory cell. This DRAM circuit comprises a memory cell with a single trench capacitor and a reference cell having two trench capacitors. The two reference cell trench capacitors are connected in series through a merged buried capacitor plate such that they provide half the capacitance of the memory cell trench capacitor. Additionally, the reference cell trench capacitors have essentially the same structure as the memory cell trench capacitor so that they can be formed in conjunction with the memory cell trench capacitor. Also disclosed are a design structure for the above-described memory circuit and a method for forming the above-described memory circuit. | 2009-10-29 |
20090268511 | Bacteriorhodopsin Protein Variants and Methods of Use for Long Term Data Storage - Bacteriorhodopsin protein variants and methods using the bacteriorhodopsin variants for performance in holographic and three-dimensional (3D) memory storage devices are described. The amino acid and chemical modifications of bacteriorhodopsin provided herein achieve greatly enhanced protein performance. The memory storage devices write, read and erase data proficiently. The bacteriorhodopsin protein variants are useful in optical memory storage and associative processor systems. Irradiation of the light-sensitive protein with light of known wavelength causes the protein to switch between different states. The variants enter the branched photocycle via a single or a two photon process and form the permanent ‘Q’ state more efficiently than the wild-type bacteriorhodopsin protein. This branching photocycle of the variants is exploited in the fabrication of 3D memory storage devices. | 2009-10-29 |
20090268512 | MRAM with cross-tie magnetization configuration - The incidence of half-select errors during MRAM programming has been significantly reduced by giving the free layer a shape that approximates an X so that, when the free layer switches, the magnetization in the arms of the X guides the magnetization in the central section (the X's intersection area) causing it to rotate towards the hard axis in two opposing directions. This raises the free layer's switching energy barrier, thereby reducing half-select errors. | 2009-10-29 |
20090268513 | MEMORY DEVICE WITH DIFFERENT TYPES OF PHASE CHANGE MEMORY - A memory includes a first memory device including an array of phase changing memory cells. The first memory device is of a first memory type. The integrated circuit includes a second memory device including an array of phase changing memory cells. The second memory device is of a second memory type that is different than the first memory type. The first and second memory devices are packaged together into a single memory device. | 2009-10-29 |
20090268514 | Semiconductor memory device and control method thereof - A semiconductor memory device includes: a plurality of word lines; a plurality of bit lines; plurality of memory cells arranged at intersections of the word lines and the bit lines; a word driver that selects any one of the word lines; a plurality of sense amplifiers connectable to any of the bit lines; a sense-amplifier starting circuit that sequentially starts the sense amplifiers in response to a request of consecutive read operations to the memory cells connected to a predetermined word line, in a state that the predetermined word line is selected by the word driver; and an address determining circuit that temporarily stops an operation of the sense-amplifier starting circuit in response to a request of consecutive read operations to a same memory cell connected to a predetermined word line, in a state that the predetermined word line is selected by the word driver. | 2009-10-29 |
20090268515 | Twin-Cell Semiconductor Memory Devices - Twin cell type semiconductor memory devices are provided that include a plurality of main bit lines and a plurality of reference bit lines. Each of the reference bit lines correspond to respective ones of the main bit lines to form a plurality of bit line pairs. A plurality of sense amplifiers are provided that are electrically connected to a respective one of the plurality of bit line pairs. At least one of the plurality of main bit lines or the plurality of reference bit lines is interposed between the main bit line and the corresponding reference bit line of each bit line pair. At least some of the main bit lines may cross respective ones of the reference bit lines in a sense amplifier region of the semiconductor memory device that contains the plurality of sense amplifiers. | 2009-10-29 |
20090268516 | METHOD FOR ADAPTIVE SETTING OF STATE VOLTAGE LEVELS IN NON-VOLATILE MEMORY - A method in which non-volatile memory device is accessed using voltages which are customized to the device, and/or to portions of the device, such as blocks or word lines of non-volatile storage elements. The accessing can include programming, verifying or reading. By customizing the voltages, performance can be optimized, including addressing changes in threshold voltage which are caused by program disturb. In one approach, different sets of storage elements in a memory device are programmed with random test data. A threshold voltage distribution is determined for the different sets of storage elements. A set of voltages is determined based on the threshold voltage distribution, and stored in a non-volatile storage location for subsequent use in accessing the different sets of storage elements. The set of voltages may be determined at the time of manufacture for subsequent use in accessing data by the end user. | 2009-10-29 |
20090268517 | NON-VOLATILE MEMORY WITH ADAPTIVE SETTING OF STATE VOLTAGE LEVELS - A non-volatile memory device is accessed using voltages which are customized to the device, and/or to portions of the device, such as blocks or word lines of non-volatile storage elements. The accessing can include programming, verifying or reading. By customizing the voltages, performance can be optimized, including addressing changes in threshold voltage which are caused by program disturb. In one approach, different sets of storage elements in a memory device are programmed with random test data. A threshold voltage distribution is determined for the different sets of storage elements. A set of voltages is determined based on the threshold voltage distribution, and stored in a non-volatile storage location for subsequent use in accessing the different sets of storage elements. The set of voltages may be determined at the time of manufacture for subsequent use in accessing data by the end user. | 2009-10-29 |
20090268518 | Novel Multi-State Memory - Maximized multi-state compaction and more tolerance in memory state behavior is achieved through a flexible, self-consistent and self-adapting mode of detection, covering a wide dynamic range. For high density multi-state encoding, this approach borders on full analog treatment, dictating analog techniques including A to D type conversion to reconstruct and process the data. In accordance with the teachings of this invention, the memory array is read with high fidelity, not to provide actual final digital data, but rather to provide raw data accurately reflecting the analog storage state, which information is sent to a memory controller for analysis and detection of the actual final digital data. | 2009-10-29 |
20090268519 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND DATA PROCESSOR DEVICE - A semiconductor device includes a sense amplifier and a decoder provided on a semiconductor substrate together with memory cells provided above the sense amplifier and the decoder. Each of the memory cells includes a channel region, in which current flows in a direction perpendicular to a surface of the semiconductor substrate, a charge accumulation region provided along the channel region, and an insulator film provided between the channel region and the charge accumulation region. | 2009-10-29 |
20090268520 | LEAKAGE COMPENSATION DURING PROGRAM AND READ OPERATIONS - Methods of operating a memory and a memory are disclosed, such as an analog non-volatile memory device and process that reduces the effects of charge leakage from data cache capacitors, maintaining stored charge levels as data. In one embodiment, data values are compensated for leakage that is uniform across the data cache by charging a reference capacitor or initiating another leakage model and uniformly adjusting the ground of the data capacitors by the effect amount or by adjusting an amplifier offset or gain. In another embodiment, held data values are compensated for charge leakage effects that are non-uniform due to data values being sequentially transferred into the data cache by scaling a ground node or adjustment of amplifier offset/gain of each capacitor in the data cache against the leakage reference and the order in which data was transferred into the data cache. | 2009-10-29 |
20090268521 | NON-VOLATILE SEMICONDUCTOR MEMORY DEVICE - A non-volatile semiconductor memory device includes a non-volatile memory having a plurality of blocks each including a plurality of memory cells, a bit line electrically connected to one end of a current path of the memory cell, a source line electrically connected to the other end of the current path of the memory cell, a word line electrically connected to the gate electrode, a sense amplifier circuit electrically connected to the bit line and configured to read data from the memory cell, a row decoder electrically connected to the word line and configured to apply a read voltage at which the memory cell is set to an ON state to the word line, and a controller configured to measure a cell current flowing through the memory cell in the ON state to judge whether the memory cell has been degraded. | 2009-10-29 |
20090268522 | THREE DIMENSIONAL STACKED NONVOLATILE SEMICONDUCTOR MEMORY - A three dimensional stacked nonvolatile semiconductor memory according to an example of the present invention includes a memory cell array comprised of first and second blocks disposed side by side in a first direction, and a driver disposed on one end of the memory cell array in a second direction orthogonal to the first direction. First select gate lines in the first block and first select gate lines in the second block are connected to the driver after they are commonly connected in one end in the second direction of the memory cell array in a relation of one to one. | 2009-10-29 |
20090268523 | THREE DIMENSIONAL STACKED NONVOLATILE SEMICONDUCTOR MEMORY - A three dimensional stacked nonvolatile semiconductor memory according to an example of the present invention includes a memory cell array comprised of first and second blocks. The first block has a first cell unit which includes a memory cell to be programmed and a second cell unit which does not include a memory cell to be programmed, and programming is executed by applying a program potential or a transfer potential to word lines in the first block after the initial potential of channels of the memory cells in the first and second cell units is set to a plus potential. In the programming, the program potential and the transfer potential are not applied to word lines in the second block. | 2009-10-29 |
20090268524 | THREE DIMENSIONAL STACKED NONVOLATILE SEMICONDUCTOR MEMORY - In a three dimensional stacked nonvolatile semiconductor memory according to the present invention, a first block has a selected first cell unit including a memory cell to be read and a non-selected second cell unit not including a memory cell to be read. A read potential or a transfer potential higher than the read potential is applied to the word line in the first block in a state that a ground potential is applied to a channel of a memory cell existing nearer to the bit line side than a memory cell in the second cell unit to which the read potential is applied, after which all the memory cells in the second cell unit are cut off from the bit line, the bit line is set to a precharge potential, and read is performed to the a memory cell to be read in the first cell unit. | 2009-10-29 |
20090268525 | NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A nonvolatile semiconductor memory device capable of preventing the disturb phenomenon that could become a serious problem as the nonvolatile memory having a virtual grounding bit line is miniaturized comprises a program row voltage application circuit for applying a predetermined program row voltage to the selected word line in programming in the selected memory cell, a program column voltage application circuit for applying a ground voltage to one of a pair of selected bit lines and applying a predetermined program column voltage to the other of the selected bit lines in programming; and a counter voltage application circuit for applying a counter voltage of an intermediate voltage between the ground voltage and program column voltage, to an adjacent unselected bit line not connected to the selected memory cell in the first and second bit lines and adjacent to the selected bit line to which the program column voltage is applied. | 2009-10-29 |
20090268526 | SEMICONDUCTOR MEMORY DEVICE WITH A STACKED GATE INCLUDING A CHARGE STORAGE LAYER AND A CONTROL GATE AND METHOD OF CONTROLLING THE SAME - A semiconductor memory device includes a transfer circuit and a control circuit. The transfer circuit which includes a p-type MOS transistor with a source to which is applied a first voltage and an n-type MOS transistor to whose gate the drain of the p-type MOS transistor is connected and the first voltage is transferred, to whose source a second voltage is applied, and whose drain is connected to a load. The control circuit which turns the p-type MOS transistor on and off and which turns the p-type MOS transistor on to make the p-type MOS transistor transfer the second voltage to the load and, during the transfer, turns the p-type MOS transistor off to make the gate of the n-type MOS transistor float at the first voltage. | 2009-10-29 |
20090268527 | SONOS MEMORY DEVICE AND METHOD OF OPERATING A SONOS MEMORY DEVICE - The present invention relates to a memory device, hereinafter SONOS memory device, comprising SONOS memory cells having a control gate terminal connected to a SONOS layer stack with a nitride layer, a source terminal and a drain terminal; and a programming unit, which is connected to the drain terminal and to the control gate terminal and which is configured to apply a predetermined positive drain voltage to the drain terminal of the selected SONOS memory cell and a predetermined negative gate voltage to the control gate terminal of the selected SONOS memory cell each upon receiving a programming request addressed to a selected SONOS memory cell, the drain voltage and the gate voltage being suitable for creating hot holes at a drain side of the selected SONOS memory cell in a gate-assisted band-to-band-tunneling process and for injecting the hot holes into the nitride layer of the selected SONOS memory cell, thus switching the selected SONOS memory cell from a high-V | 2009-10-29 |
20090268528 | Semiconductor memory device and access method thereof - Example embodiments provide a semiconductor memory device that may include: a cell array arranged in pluralities of rows and columns; and a sense amplifier conducting writing and reading operations to the cell array in response to writing and reading commands in correspondence with an access time, which may be variable in period. The sense amplifier adjusts pulse widths of write-in and read-out data in accordance with a period of the access time. | 2009-10-29 |
20090268529 | Sense amplifier control circuit for semiconductor memory device and method for controlling sense amplifier control circuit - A sense amplifier control circuit for a memory device is provided. The sense amplifier control circuit for a memory device including: a level detection unit configured to generate a level detection signal by detecting a core voltage level in an active operation interval; and a control unit configured to generate a pulse signal to control a sensing start time of a bit line detection signal by varying a delay time according to the level detection signal. | 2009-10-29 |
20090268530 | Trigger Circuit of a Column Redundant Circuit and Related Column Redundant Device - A trigger circuit for triggering corresponding memory cells of a column redundant circuit includes a determining circuit for generating a determining signal according to an accessed row address, and a plurality of comparing circuits jointly electrically connected to the column redundant circuit for receiving the determining signal, each of the comparing circuits selectively generating a trigger signal to the column redundant circuit according to the determining signal and an accessed column address. | 2009-10-29 |