49th week of 2013 patent applcation highlights part 35 |
Patent application number | Title | Published |
20130322072 | LIGHT EMITTING APPARATUS - The present invention relates to a light emitting apparatus comprising at least one light emitting device and a support mechanism. The light emitting device includes a transparent substrate which light can pass through; at least one LED chip emitting light omni-directionally is disposed on one surface of the substrate, and the light emitted by the LED chip will penetrate into the substrate and at least partially emerge from another surface of the substrate. The support mechanism is coupled to the light emitting device; a first angle is formed between the substrate and the support mechanism. According to the present invention, the light emitting apparatus using LED chips can provide sufficient lighting intensity and uniform lighting performance. | 2013-12-05 |
20130322073 | Light source assembly for portable lighting system - A light source assembly for a portable lighting system includes a tube assembly. The tube assembly includes at least two lamps, tube supports, and a tube mounted between the tube supports, the tube at least partially surrounding the area between the two lamps to form a light pipe. The tube assembly may be provided within a portable lighting system as part of the light source assembly, or as a convertible option or retrofit system for existing light source assemblies. | 2013-12-05 |
20130322074 | LIGHT FIXTURE WITH SELECTABLE EMITTER AND REFLECTOR CONFIGURATION - An illustrative lighting fixture provides a light housing, a thermally conductive inwardly facing annular surface, one of a selection of light reflectors, and an associated lens cover. Mounting pads defined by the annual surface and the light reflector together receiving a selected number of light emitters and associated heatsinks coupled to selected ones of the mounting pads. Each of the selection of light reflectors includes openings for the light emitters and reflective surfaces matching a number and combination of positions of light emitters on selected ones of the mounting pads. | 2013-12-05 |
20130322075 | OPTICAL COMPONENT AND ASSOCIATED ILLUMINATING DEVICE - An optical component having a carrier plate or substrate, which includes a first main surface and a second main surface facing away from the first main surface, having a given lens structure in the form of a microlens array on the first main surface, wherein the first lens structure covers the first main surface, and having a lens structure in the form of a microlens array on the second main surface, wherein the lens structure of the second main surface is similar to that of the first in the meaning of a projection, wherein the projection is distorted by a factor a in relation to an origin, which is located at an arbitrary point of the main surfaces, wherein the distortion factor a is at least a=1,001, wherein the distortion is active in at least one direction is disclosed. | 2013-12-05 |
20130322076 | LIGHT BULB WITH PLANAR LIGHT GUIDES - A light bulb includes light guides extending in a direction having a radial component with respect to a longitudinal axis, each light guide including a light input edge, opposed major surfaces, and light extracting elements at least one of the opposed major surfaces. In one embodiment, the light guides are disposed about an axial heat sink, and for each light guide, a respective light source is mounted to the axial heat sink to edge light the light guide such that light from the light source propagates in the light guide by total internal reflection. In another embodiment, a housing is at an end of the light guides, and for each light guide, a respective light source is mounted to the housing to edge light the light guide such that light from the light source propagates in the light guide by total internal reflection. | 2013-12-05 |
20130322077 | LED LAMP - An LED lamp includes a heat dissipating base and a plurality of light strips. The heat dissipating base is formed by aluminum extrusion and has a length direction defined by the aluminum extrusion direction. The heat dissipating base has a main body and a plurality of heat dissipating fins. The bottom side of the main body has a flat connecting surface. The heat dissipating fins extend outward from the main body. Each light strip has a circuit board and at least one LED module provided on the circuit board. The circuit board of each light strip is provided on the connecting surface of the heat dissipating base. The width (W1) of the connecting surface of the heat dissipating base is greater than three times the width (W2) of each light strip, i.e., W1>3W2. | 2013-12-05 |
20130322078 | Low-cost multi functional heatsink for LED arrays - A lighting device having a cell structure ( | 2013-12-05 |
20130322079 | Light Fixture with Central Lighting Housing and Peripheral Cooling Housing - An illustrative light fixture includes a cylindrical lighting package housing surrounded peripherally by a cooling housing providing airflow cooling channels. The airflow cooling channels are defined in the space between the circumference of the cylindrical lighting package housing and a rim around the periphery of the light fixture. The cooling housing provides wide and long openings for air to rise vertically from below and through the airflow channels defined in part by cooling fins, and radial exit channels with vertical space for radially outward flow below a ceiling the fixture is mounted on, while also eliminating or minimizing the view through the airflow channels and to the ceiling. | 2013-12-05 |
20130322080 | LED LIGHTING DEVICE - An LED lighting device at least comprises a base made of metal materials; a substrate which is disposed on a surface of the base and has one electrode and at least one LED chip; and an insulation sheet which is disposed between the base and the substrate. The insulation sheet and the substrate satisfy the correlations L | 2013-12-05 |
20130322081 | LIGHT EMITTING ELEMENT AND ILLUMINATION DEVICE THEREOF - A light emitting element includes a transparent substrate and a plurality of light emitting diode (LED) chips. The transparent substrate has a support surface and a second main surface disposed opposite to each other. At least some of the LED chips are disposed on the support surface and form a first main surface where light emitted from with a part of the support surface without the LED chips. Each of the LED chips includes a first electrode and a second electrode. Light emitted from at least one of the LED chips passes through the transparent substrate and emerges from the second main surface. An illumination device includes the light emitting element and a supporting base. The light emitting element is disposed on the supporting base, and an angle is formed between the light emitting element and the supporting base. | 2013-12-05 |
20130322082 | MODULAR LIGHT EMITTING DIODE (LED) LIGHTING FIXTURES - A lighting fixture include a printed circuit board (PCB) and multiple light emitting diodes. Multiple connection terminals are electrically connected to the printed circuit board including alternating current (AC mains) connection terminals and communications connection terminals. A communications interface is electrically connectible to the communications connection terminals adapted to provide communications addressable to the control circuit. A communications signal for controlling the operating parameter is transferable to the communications interface via the other lighting fixture through the communications connection terminals. | 2013-12-05 |
20130322083 | Poseable Illumination Device Having Multiple Illumination Sources - An illumination device includes a plurality of independently poseable arms. Each independently poseable arm has a first end and a second end and the first end is electrically connected to the second end. The illumination device also includes a plurality of light modules, each light module being coupled and electrically connected to the first end of one of the plurality of independently poseable arms. The illumination device includes a housing coupled to the second end of each of the plurality of arms is connected to the housing and configured to receive a battery, and a switch configured to selectively control electrical connections between the second end of each of the plurality of arms and the battery such that the plurality of light modules operate in unison. | 2013-12-05 |
20130322084 | LIGHTING DEVICE - Alighting device includes a decoration frame, a light source unit, and a rotating ring. The decoration frame has a cylindrical shape in which a through-hole is formed. The light source unit is mounted with a light-emitting element. The rotating ring includes a supporting section configured to support the light source unit to be capable of rotating about a rotation axis that connects opposed positions of an inner wall of the rotating ring, a first annular section configured to form an inner wall that is flush with the through-hole of the decoration frame and slide on the edge of the through-hole to be capable of pivoting integrally with the light source unit, and a second annular section formed in an inner diameter larger than the inner diameter of the first annular section and configured to surround at least a part of the outer wall of the decoration frame. | 2013-12-05 |
20130322085 | HEAT DISSIPATION MODULE FOR LED LAMP - A heat dissipation module for LED lamp includes a heat-sink base, radiation fins radially mounted around said heat-sink base, each radiation fin having a first mounting device at a top end thereof and a second mounting device at a bottom end thereof, a first locating frame attached to the top ends of the radiation fins and fastened to the first mounting devices of the radiation fins by respective first rivets, and a second locating frame attached to the bottom ends of the radiation fins and fastened to the second mounting devices of the radiation fins by respective second rivets. | 2013-12-05 |
20130322086 | LIGHT EMITTING DEVICE - A light emitting device comprising a light guiding frame and a light source is provided. The light guiding frame has a recess, and an edge of an opening of the recess defines a light-emitting opening. The light guiding frame comprises a first light guiding structure and a second light guiding structure connected to the first light guiding structure. The light source is disposed on a bottom of the recess and has a light-emitting surface. The first light guiding structure is extended along a direction away from the light-emitting surface and the light-emitting opening. The second light guiding structure is extended along a direction away from the light-emitting surface but close to the opening. | 2013-12-05 |
20130322087 | WATERPROOF FAIRY LIGHT - A waterproof fairy light has a housing, a socket and a lighting assembly. The housing has an assembling hole defined therein. The socket is mounted in the assembling hole and has a cavity defined through the socket and having an inner surface and a partition formed in the cavity on the inner surface, dividing the cavity into two spaces and having two opposite side edges formed integrally on the inner surface of the cavity so that no gap is formed between each side edge and the inner surface. The lighting assembly is mounted in the cavity of the socket and has a lighting element and two contacting pins. The integrally formed partition prevents rain from contacting both the contacting pins and causing short circuit. | 2013-12-05 |
20130322088 | Large-Angle Lens and Large-Angle Emission LED Light Source Module - Disclosed is a large-angle LED lens including a main body which has an incident surface on the inner side of the main body and an exit surface on the outer side thereof. The surfaces are provided symmetrically about the central axis of the main body. The incident and exit surfaces are transparent concave and convex surfaces, respectively. The maximum thickness d | 2013-12-05 |
20130322089 | ACCESSORIES FOR LED LAMPS - Apparatus and methods of attaching accessories to LED lamps and for providing active accessories in LED lamps are disclosed. | 2013-12-05 |
20130322090 | COLLIMATOR COMPRISING A PRISMATIC LAYER STACK, AND LIGHTING UNIT COMPRISING SUCH A COLLIMATOR - The invention provides a collimator comprising a first collimator face, a second collimator face, and a stack region. The stack region comprises a first layer having a first prismatically shaped top face with a plurality of | 2013-12-05 |
20130322091 | LAMP ACCENT ASSEMBLY AND METHOD - The present disclosure describes a light accent assembly. The light accent assembly may include a reflector body. The light accent assembly may also include a collar proximate to a top of the reflector body. The collar may be operable to removably couple to an LED lamp and the reflector body may be operable to removably couple to the collar. The light accent assembly may also include a trim proximate to a bottom of the reflector body. The trim may define a bottom opening through which light generated by the LED lamp is directed. | 2013-12-05 |
20130322092 | Endoscope With Pivotable Viewing Direction - An endoscope having a viewing direction which can be pivoted relative to the endoscope includes an illumination beam path for transmitting illumination light and a plurality of reflective surfaces for reflecting illumination light, the reflective surfaces being arranged at least partially next to one another in the illumination beam path relative to the intended light propagation direction of illumination light in the illumination beam path. | 2013-12-05 |
20130322093 | LIGHT APPARATUS TRIM WIREFORM - The present disclosure describes a downlight apparatus that includes a downlight component. A wireform housing may be disposed on an outer surface of the downlight component. A self-locking retention wireform may be coupled to the wireform housing. The self-locking retention wireform may include a locked arrangement, with the locked arrangement including a pre-loaded spring force secured by at least one locking mechanism of the self-locking retention wireform. The self-locking retention wireform may also include an unlocked arrangement, with the unlocked arrangement operable to secure the downlight component within the downlight fixture. | 2013-12-05 |
20130322094 | LIGHT GUIDE CASING - A light guide casing is used for transmitting a light beam from an indicating lamp. The light guide casing includes a light inputting surface, a light outputting surface, and a first reflective surface. The light outputting surface includes a first plane and a second plane. After the light beam from the indicating lamp is transmitted through the light inputting surface, a first portion of the light beam is reflected to the first plane of the light outputting surface by the first reflective surface, and a second portion of the light beam is transmitted to the second plane of the light outputting surface. | 2013-12-05 |
20130322095 | PROJECTOR LIGHT SOURCE ASSEMBLY - A light source assembly includes a light source, a seat, and a wire structure. The seat includes an electrical pin electrically connected to the light source. The wire structure includes a connecting wire. The connecting wire includes a wire and a protecting pipe. The protecting pipe is made of high-temperature resistance material and sleeved on one end of the wire. The end of the wire sleeved with the protecting pipe is connected to the electrical pin. | 2013-12-05 |
20130322096 | LED LIGHTING APPARATUS - An LED (Light-Emitting Diode) lighting apparatus includes a lamp cover, a circuit board, a lighting window and a fastening cover. The lamp cover includes button holes. The circuit board is fastened at a bottom of the lamp cover. The lighting window covers the circuit board. The fastening cover is fastened to the lamp cover. The circuit board and the lighting window are arranged between the lamp cover and the fastening cover. The fastening cover includes clips inserted in the button holes of the lamp cover, thereby the fastening cover and the lamp cover being assembled. | 2013-12-05 |
20130322097 | TORCHIERE STYLE LAMP HAVING KNOCK-DOWN PROFILE - In accordance with one embodiment, a torchiere style lamp having a knock down profile includes a base; a pole attached at a bottom end to the base; and a socket assembly attached to a top end of the pole. The lamp also includes a torchiere style shade formed of a flexible material and including a slit that defines separate first and second shade edges. Wherein in a knock down condition, the shade has a rolled up construction and the shade assumes a fully assembled condition when the first and second edges are joined to one another along the first and second shade edges to form a shade that is open along its top and bottom. The shade is coupled to the socket assembly being disposed between a center hub and a main socket part of the socket assembly that surrounds and extends radially outward from the center electrical socket member. | 2013-12-05 |
20130322098 | WIRELESS TRANSMISSION DEVICE - A wireless transmission device, arranged inside a display object or connected with the display object, includes a power supply interface, an initialization setting button, a wireless transmission unit, a processing unit, and a storage unit. The input end of the power supply interface is connected with the power supply end of the display object, the output end of the power supply interface is connected with the wireless transmission unit and the processing unit respectively, and the initialization setting button and the storage unit are connected with the processing unit respectively. A unique identification assigned to the display object is stored in the storage unit. Initialization setting of the wireless transmission device is implemented by pressing the initialization setting button, and the processing unit transmits out the identification, orientation, and/or predetermined viewable angle of the display object constantly or regularly via the wireless transmission unit. | 2013-12-05 |
20130322099 | DEVICE AND METHOD FOR LIGHT FIXTURE LOCKING MECHANISM - Disclosed herein is a light fixture locking mechanism that includes a frame assembly having a first primary rod support and a second primary rod support, a first connecting rod having a first end and a second end, the ends extending substantially between the first primary rod support and the second primary rod support, and a plurality of aiming assemblies, each configured to receive the first connecting rod therethrough, the aiming assemblies including opposing engaging protrusions. The device further includes a first fastener, that when in a fastened position, the first and second primary rod supports are forced inwards towards each other to provide an engaging force on the opposing engaging portions of the aiming assemblies to prevent rotation of the first light module about the first connecting rod, and when in an unfastened position, the first and second light modules are both rotatable about the first connecting rod. | 2013-12-05 |
20130322100 | Multi-Directional Pivoting Light Mount with Position Locking - Highly visible detented light mounts for trucks or trailers have light fixtures of selected configurations coupled by rotatable arms to rigid, tubular stands. Each stand is axially biased to a rigid, tubular spring housing by an internal core-drilled fastener that coaxially secures an internal spring. The stand and spring housing can have different lengths and configurations. A pair of friction washers, one on the stand and the other on the housing, mutually abut. Protrusions on one washer register with corresponding dimples or depressions on another washer to cause a detent effect. The housing and the stands may in each embodiment be torsionally displaced against friction caused by the spring biased washers that interfit to form radially spaced-part semi-fixed “detented” positions. Various washer configurations are proposed. | 2013-12-05 |
20130322101 | DEVICE FOR CONTROLLING HIGH AND LOW BEAM OF A HEADLIGHT - A device for controlling high beam and low beam of a headlight includes a fixing plate formed with a recess and bored with two pin holes, two curved slots and a sliding slot. A valve base secured on the fixing plate is installed therein with an electromagnetic valve having a valve rod inserted in the interior and a spring fitted on the valve rod. A positioning seat is mounted on the valve rod and has one side provided with a connecting rod to be inserted through two mutually overlapped ends of two connecting plates and in the sliding slot of the fixing plate. Two boards are oppositely and pivotally assembled on the fixing plate, having their lower sides respectively and pivotally connected with the upper ends of the two connecting plates by insert pins, which are then inserted in the two curved slots of the fixing plate. | 2013-12-05 |
20130322102 | INDICATOR LIGHT - The invention relates to an indicator light comprising: a light source; a rigid optical guide forming a column, comprising: an inlet optical surface delimiting the lower surface of the optical guide and through which the light of the light source enters into the optical guide; an outlet optical surface delimiting the upper surface of the optical guide and through which the light of the light source is emitted; a rectangular section over at least a major portion of length thereof, characterized in that, for at least one angular opening (a) centered at a preferred outlet direction, the light source is arranged on the side of the inlet optical surface, at the intersection between a longitudinal axis (A) of the optical guide, and the path of a reverse virtual ray corresponding to the path of a light ray emitted by the source in the reverse direction, the reverse virtual ray entering into the optical guide through the outlet optical surface by impinging in the preferred direction, being refracted by the outlet optical surface, and being reflected at least once by the side walls of the optical guide, and in that the inlet optical surface ( | 2013-12-05 |
20130322103 | VEHICLE LAMP - Disclosed is a vehicle lamp, including a reflector reflecting light of a light guide, wherein the reflector includes a first reflection surface and a second reflection surface forming an inner circumferential surface, together with at least a part of a light emitting surface of the light guide and the inner circumferential surface is converged in a direction opposite to an irradiation direction to form a convergent point. By this configuration, it is possible to reduce manufacturing costs and manufacturing man hour of the vehicle lamp while increasing aesthetic appearance of the vehicle. | 2013-12-05 |
20130322104 | OPTICAL UNIT FOR SIGNALING AND/OR LIGHTING DEVICE - The invention relates to an optical unit, notably for a motor vehicle signaling and/or lighting device, comprising:
| 2013-12-05 |
20130322105 | Vehicular Lamp - A vehicular headlamp ( | 2013-12-05 |
20130322106 | VEHICULAR LAMP - Provided is a vehicular lamp that includes a lamp body, an exterior lens configured to define a lamp chamber between the lamp body and the exterior lens, and a vibration device fixed to a component of the vehicular lamp and configured to be vibrated by receiving an electric signal to cause the component to generate a sound. The vibration device includes a housing fixed to the component of the lamp, an electric circuit provided in the housing, a vibration body vibrated when the electric signal is input to the electric circuit, and a device connector to which an external connector is connected to input the electric signal to the electric circuit. In particular, the device connector is integrally provided in the housing. | 2013-12-05 |
20130322107 | VEHICULAR LIGHT - A vehicular light includes a body having a base. A cover is mounted to a surface of the base and made of transparent material. A circuit board is mounted in the base. A light emitting element is mounted to the circuit board. An intermediate member is mounted between the cover and the circuit board. The intermediate member includes a light transmittable section covering the light emitting element. A frame is mounted between the light transmittable section and the light emitting element and has a substantially bowl-shaped inner side. The frame and the intermediate member are separable from each other and detachable from the cover and the circuit board. The frame includes a frame wall. A through-hole is formed in a bottom of the frame. The light emitting element extends through the through-hole and received in the frame and faces the light transmittable section. | 2013-12-05 |
20130322108 | EXTENDED TIP LASER AND ILLUMINATION PROBE FOR RETINA SURGERY - An illumination and laser energy delivery system, including an extended tip laser and illumination probe for retinal surgery, is disclosed that allows efficient delivery of laser and illumination energy to a surgical site through a device that is smaller than the standard 20 gauge probe conventionally used in endo-photocoagulation procedures. Novel constructions, as disclosed, enable the space inside the probe cannula to be used more efficiently than in prior art devices, providing improved performance of the device and system in delivering laser and illumination energy to the surgical site. | 2013-12-05 |
20130322109 | Endoscope With Adjustable Illumination Direction - An endoscope having an adjustable illumination direction includes a reflective surface reflecting illumination light for the illumination of an object observed by means of the endoscope, the reflective surface being moveable in order to adjust the illumination direction. | 2013-12-05 |
20130322110 | Lighted Floor Panels and Portable Lighted Stage Systems Comprised of Same - A lighted floor system has been invented to facilitate quick temporary installation, and ease of removal whereby the floor is particularly suitable for highly durable applications. A durable and inexpensive modular system permits these devices to be used as flooring for high-performance lighted stage is suitable for use in concerts and other performing art expositions. In particular, these lighted floor systems presented herein are formed of a ‘repeat unit’ element which may be affixed to similar or identical units in a paving scheme to cover a large area floor space. Each repeat unit includes one or more light panels to provide highly dynamic color light outputs of high uniformity with respect to the illumination fields. These panels include a construction suitable for high durability—i.e. they support being walked on; highly portable they support quick installation—uninstallation; and are quite inexpensive due to their unique construction. | 2013-12-05 |
20130322111 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An angular intensity distribution shaping member includes a first surface for receiving a light beam emitted from a light source, the first surface having a length in a width direction that is longer than that in a thickness direction; second surfaces forming a plate-shaped light path on which the light beam incident from the first surface propagates by total reflection, the second surfaces including at least one adjustment surface for spreading a full angle of an angular intensity distribution, in the width direction, of the light beam incident from the first surface so that the full angle becomes wider than that of the angular intensity distribution of the light beam just after emission from the light source; and a third surface through which the light beam exits, the full angle of its angular intensity distribution in the width direction having been widened by the at least one adjustment surface. | 2013-12-05 |
20130322112 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane includes a main body and a bracket connected to the main body. The main body is made of a plastic material and the bracket is made of a metal material. The backlight source is mounted to the bracket. The side-edge backlight module of the present invention adopts a backplane that is composed of a plastic main body and a metal bracket and this helps making the side-edge backlight module light-weighted provides multiple choices of the raw materials. Further, the main body directly forms a reflection surface by which the use of an additional reflector plate is eliminated, so that the installation of a light guide plate is made easy and the manufacture cost is further reduced. | 2013-12-05 |
20130322113 | DISPLAY DEVICE - A display device includes a display panel having an active display area, an optical film set, a light source module, and a frame. The light source module includes a light guide plate (LGP) and a light source adjacent to a side surface of the LGP. The optical film set is located between the display panel and the LGP. The frame disposed between the LGP and the optical film set extends to the LGP and covers a portion of the LGP. The frame has a first surface carrying the optical film set, a second surface facing to the light emitting surface, and a chamfered inclined surface. The chamfered inclined surface is within the active display area and connects the first and second surfaces. An extending distance of the first surface in the active display area is smaller than an extending distance of the second surface in the active display area. | 2013-12-05 |
20130322114 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A surface light source device includes a surface light-emitting light-guiding unit; an LED light source disposed at an outside position on a side of a direction of the light incident surface; a plurality of laser light sources disposed at an outside position on a side of a direction of a rear surface of the surface light-emitting light-guiding unit; and a laser-light-ray guiding unit arranged on a side of a rear surface of the surface light-emitting light-guiding unit. The laser-light-ray guiding unit guides the laser light rays emitted from the laser light sources so that the laser light rays enter through a light incident end surface, travel in a direction opposite to a direction in which the LED light source emits the LED light ray, and thereafter are reflected by a light bending part to enter through the light incident surface of the surface light-emitting light-guiding unit. | 2013-12-05 |
20130322115 | EDGE LIT LIGHTING ASSEMBLY WITH SPECTRUM ADJUSTER - A lighting assembly comprises a light source and a light guide having a light input edge and a light output surface. Light from the light source enters the light input edge and is propagated within the light guide by total internal reflection. A spectrum adjuster is adjustable or selected to achieve a desired spectrum of the light within the light guide. | 2013-12-05 |
20130322116 | Light collimator and lighting unit comprising such light collimator - The invention provides a light collimator ( | 2013-12-05 |
20130322117 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide plate arranged inside the backplane, and a first backlight source arranged inside the backplane. The backplane includes a main body and a first bracket connected to the main body. The main body includes a base plate, which includes a first lap section adjacent to an edge of the first bracket. The first bracket includes a first connection section adjacent to an edge of the base plate and corresponding to the first lap section. The first lap section and the first connection section are lapped on each other. A plurality of first and second bolts joints the first lap section and the first connection section together. The plurality of first and second bolts is arranged in two rows. The backplane is composed of the main body and the bracket that are jointed by two rows of bolts. | 2013-12-05 |
20130322118 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane, an optic film assembly arranged on the light guide plate, and a split mold frame arranged inside the backplane. The split mold frame includes a plurality of spaced corner pieces respectively set on the optic film assembly. The corner pieces have a support surface that is distant from the optic film assembly for supporting thereon a liquid crystal display panel. The backlight module of the present invention uses an upper surface of a split mold frame to serve as a support surface for a liquid crystal display panel thereby enlarging the supporting area for the liquid crystal display pane, improving supporting stability and also effectively preventing the occurrence of light leakage, ensuring luminance of the backlight module, and enhancing optic grade. | 2013-12-05 |
20130322119 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane, and an optic film assembly positioned on the light guide plate. The optic film assembly is connected to the backplane through snap fitting. The backlight module of the present invention includes a backplane that has side boards forming snap slots and an optic film assembly that forms fitting sections so that positioning and fixing of the optic film assembly and the backplane through snap fitting can be easily realized by means of a simple snap fitting arrangement. The drawback of the conventional way of using rivet that is adverse to bezel slimming can be eliminated and the problems of the conventional way that positioning through rivet may lead to easy detachment of the optic film assembly and deterioration of optic grade are also eliminated. | 2013-12-05 |
20130322120 | OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES AND METHODS OF MAKING SAME, AND METHODS OF DISPLAYING IMAGES USING THE OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES - Images are displayed in response to a video signal using a light emitting assembly having one or more optically transmissive substrates, films or sheets, each having at least one pattern of optical elements on or in the substrates, films or sheets. A plurality of light sources are configured to illuminate one or more output areas of one or more of the substrates, films or sheets. The light emitting assembly is configured to emit light through the pattern of optical elements and produce a predetermined luminance profile of the light emitting assembly. At least some adjacent substrates, films or sheets may have portions that overlap, and at least one pattern of optical elements on or in at least one side of the substrates, films or sheets may be configured so that discontinuities between the adjacent substrates, films or sheets are minimized. | 2013-12-05 |
20130322121 | BACKLIGHT MODULE - A backlight module includes an outer cover, a heat dissipation plate, a frame, a light guide plate, a back plate, and a light source. The outer cover includes a side wall. The heat dissipation plate is disposed within the outer cover and has a flat plate-shaped first end. The frame is disposed within the outer cover. The light guide plate is disposed between the heat dissipation plate and the frame. The back plate is disposed within the outer cover and has a flat plate-shaped second end parallel to the first end of the heat dissipation plate. The light source is disposed on the first end of the heat dissipation plate and has a substrate and a light emitting diode element. The substrate is perpendicular to the first end of the heat dissipation plate. The first end of the heat dissipation plate and the substrate are adjacent to the side wall. | 2013-12-05 |
20130322122 | CONTROL CIRCUITS FOR POWER CONVERTERS - A control circuit for controlling one or more power switches of a power converter includes a voltage control loop and a current control loop. The control circuit is configured to generate a current reference for the current control loop using the voltage control loop and an AC reference signal. The control circuit is configured to operate in at least a first mode in which a parameter of the voltage control loop is sampled only at every other zero crossing of the AC reference signal and the sampled parameter is used to generate the current reference for the current control loop. The power converter may be an AC-DC converter or a DC-AC converter (i.e., inverter). Alternatively, the voltage control loop may be sampled at every zero crossing of the AC reference signal, and/or more frequently during transient load conditions. | 2013-12-05 |
20130322123 | CONTROL DEVICE AND CONTROL METHOD DURING BYPASSING OF POWER UNITS - A control device and a control method during bypassing of power units are provided. The method includes: detecting a first three-phase output electrical signal; calculating a first positive sequence component and a first negative sequence component of the first three-phase output electrical signal; providing a given positive sequence component and a given negative sequence component so as to respectively perform the closed-loop compensation on the first positive sequence component and the first negative sequence component, thereby outputting a second positive sequence component and a second negative sequence component; superimposing the second positive sequence component and the second negative sequence component; and outputting a second three-phase output electrical signal in a preset way. | 2013-12-05 |
20130322124 | POWER SUPPLY WITH INTERFERENCE SUPPRESSION, AND METHOD FOR OPERATING A POWER SUPPLY - A switched-mode power supply comprises a transformer with a primary winding and a secondary winding. A switch is coupled in series with the primary winding and configured to repeatedly interrupt a current through the primary winding. An inductor is located differently with reference to magnetic fields that the primary and secondary windings are configured to induce. A connection exists between the inductor and a circuit that contains one of the primary and secondary windings. The connection is configured to connect from the inductor to the circuit a first voltage that has a waveform representative of and a polarity opposite to a second voltage induced in the switched-mode power supply by leakage flux of the transformer at a switching moment of the switch. | 2013-12-05 |
20130322125 | DRIVING CIRCUIT FOR A TRANSISTOR - In various embodiments, a driving circuit for a transistor is provided, wherein the transistor may include a transistor having a control terminal, a diode, a capacitance with a first terminal and a second terminal, wherein the first terminal may be coupled to the control terminal and the second terminal may be coupled to a reference potential via the diode, and a resistor, which is coupled in parallel to the capacitance. | 2013-12-05 |
20130322126 | Soft-Switching Inverter - An inverter with soft switching is used for a high step-up ratio and a high conversion efficiency. The inverter includes an isolation voltage-quadrupling DC converter and an AC selecting switch. The isolation voltage-quadrupling DC converter includes an active clamping circuit. By a front-stage converter circuit, a continuous half-sine-wave current is generated. By a rear-stage AC selecting switch, the half-sine-wave current is turned into a sine-wave current. Thus, electricity may be supplied to an AC load or the grid. The circuit is protected by isolating the low-voltage side from the high-voltage side. The conversion efficiency is high. The leakage inductance is low. The switch stress is low. The inverter is durable and reliable. Hence, the inverter is suitable for use in a photovoltaic system to increase the total conversion efficiency. | 2013-12-05 |
20130322127 | CURRENT-FED FULL-BRIDGE DC-DC CONVERTER - A current-fed full-bridge DC-DC converter includes a current source circuit including a direct-current voltage source circuit and a reactor connected to the direct-current voltage source circuit in series, an inverter circuit including switching elements, input terminals and output terminals, wherein outputs of the current source circuit are connected to the input terminals, a transformer having a primary coil that is connected to the output terminals and a secondary coil and a rectifier circuit which is connected to the secondary coil and through which the current-fed full-bridge DC-DC converter generates direct-current output. The current-fed full-bridge DC-DC converter further includes a capacitor connected to the output terminal and the primary coil in series and a controller controlling on/off operations of the switching elements so that a current can flow from the current source circuit through the primary coil and the capacitor in stopping of the current-fed full-bridge DC-DC converter. | 2013-12-05 |
20130322128 | BIDIRECTIONAL DC-DC CONVERTER AND METHOD OF CONTROLLING BIDIRECTIONAL DC-DC CONVERTER - A bidirectional DC-DC converter is configured with a transformer that has a first winding and a second winding, a first DC-AC converter that is provided between a first DC voltage line and the first winding, a second DC-AC converter that is provided between a second DC voltage line and the second winding, and a controller that performs a switching control operation that bidirectionally transmits DC power between the first DC voltage line and the second DC voltage line. When the bidirectional DC-DC converter is in a light load operation state, the controller provides an operation stop period that periodically stops the switching control operation so as to perform an intermittent switching control operation. | 2013-12-05 |
20130322129 | POWER FACTOR CORRECTION CIRCUIT - This is an insulation-type power factor correction circuit including a resonance unit configured to accumulate energy of a surge occurring when the first switching element is turned off and to transmit a resonance current generated by resonating the first capacitor and the primary winding of the second transformer from the primary winding of the second transformer to the secondary winding, a rectifier unit configured to rectify a resonance current output from the resonance unit, a smoothing unit configured to regenerate power output from the rectifier unit to an output of the insulation-type power factor correction circuit, and a control unit configured to control a first switching element for each cycle. | 2013-12-05 |
20130322130 | METHOD OF FORMING A POWER SUPPLY CONTROLLER AND STRUCTURE THEREFOR - In one embodiment, a power supply controller is configured to adjust a peak value of a primary current through a power switch responsively to a difference between a demagnetization time and a discharge time of the parasitic leakage inductance of a transformer. | 2013-12-05 |
20130322131 | CASCADED CONVERTER STATION AND CASCADED MULTI-TERMINAL HVDC POWER TRANSMISSION SYSTEM - A cascade converter station and a multi-end cascade high-voltage direct current (HVDC) power transmission system. The converter station includes a low-voltage end converter station ( | 2013-12-05 |
20130322132 | SYSTEM FOR POWER CONVERSION - A power conversion device according to the aspects of the present technique is presented. The device includes a first converter and a second converter operatively coupled to the first converter. Moreover, the device includes a phase leg operatively coupled between the first converter, the second converter, where the phase leg includes a first unidirectional switch, a second unidirectional switch operatively coupled to the first unidirectional switch, and a first bidirectional switch, where a first end of the first bidirectional switch is operatively coupled to at least one of the first unidirectional switch and the second unidirectional switch. | 2013-12-05 |
20130322133 | SYSTEM AND METHOD FOR HIGH RESISTANCE GROUND FAULT DETECTION AND PROTECTION IN POWER DISTRIBUTION SYSTEMS - A system and method for detecting high resistance ground faults in a power distribution system is disclosed. A fault detection and protection system is provided that includes a plurality of current sensors to measure current on the three phase output of the converter-inverter arrangement of the power distribution system and a controller configured to measure the three phase current on the three phase output, extract a fundamental current component for each phase of the three phase output, extract a third harmonic component for each phase of the three phase output, compare the fundamental current component and the third harmonic component extracted from each phase to a first threshold and a second threshold, respectively, and detect a ground fault on a phase of the three phase output based on the comparisons of the fundamental current component and the third harmonic component to the first and second thresholds. | 2013-12-05 |
20130322134 | NOISE REDUCTION UNIT, POWER SUPPLY DEVICE, AND METHOD FOR DISPOSING CORES IN NOISE REDUCTION UNIT - A noise reduction unit includes a plurality of cores each having formed therein a through hole, a plurality of wires connected to a noise source and each wound around the corresponding core through the through hole, and a core supporting member that supports the plurality of cores. The core supporting member supports the plurality of cores in such a manner that the plurality of cores is disposed parallel to each other along a through direction of the through holes and spaced apart from each other with a predetermined gap in the through direction. | 2013-12-05 |
20130322135 | COMPACT, METHOD FOR PRODUCING COMPACT, REACTOR, CONVERTER, AND POWER CONVERSION DEVICE - A low-loss compact and a method for producing the compact are provided. | 2013-12-05 |
20130322136 | ADVANCED CIRCUIT ARRANGEMENT OF TRANSFORMERLESS 1 PHASE PV INVERTER - Disclosed is an inverter with outputs being connected through two reactors to a utility network, whilst an energy storage capacitor (C) is connected to the PV array (P) such that the C + and − terminals are connected to two half bridges creating an H bridge so that the AC node of one half bridge is connected to the anode of a diode (D1) and the cathode of a diode (D2). An AC node of the other half bridge is connected to an anode of a diode (D3) and a cathode of a diode (D4), whilst the diodes form a diode bridge having a positive node connected to a transistor's (V5) collector and an anode of a diode (D5), the cathode of the diode (D5) being connected to C's positive terminal. | 2013-12-05 |
20130322137 | POWER FACTOR CORRECTION CIRCUIT - Disclosed is a power factor correction circuit. The power factor correction circuit according to an exemplary embodiment of the present disclosure includes an electrolyte capacitor and a film capacitor, where ripple burden of the electrolyte capacitor is lessened to reduce the capacity of the condenser and to lengthen the life. | 2013-12-05 |
20130322138 | VOLTAGE SETTING OF ADAPTER - Embodiments herein relate to setting a voltage of an adapter ( | 2013-12-05 |
20130322139 | INPUT AC VOLTAGE CONTROL BI-DIRECTIONAL POWER CONVERTERS - A family of power converters has input ac voltage regulation instead of output dc voltage regulation. The bi-directional converters control power flows and maintain the input ac voltage at or close to a certain reference value. These bi-directional power converters handle both active and reactive power while maintaining the input ac voltage within a small tolerance. Use of these converters is favorable for future power grid maintenance in that they (i) ensure the load demand follows power generation and (ii) provide distributed stability support for the power grid. The converters can be used in future smart loads that help stabilize the power grid. | 2013-12-05 |
20130322140 | APPARATUS FOR PHOTOVOLTAIC POWER GENERATION AND METHOD THEREOF - Disclosed are an apparatus and a method for photovoltaic power generation according to the exemplary embodiment of the present disclosure configured to enhance efficiency of photovoltaic power generation, wherein the apparatus having a solar module, a booster and an inverter includes a voltage sensing unit configured to sense an output voltage of the solar module, a switching unit connected to the booster in parallel, and a controller configured to selectively control the booster or the switching unit whereby the booster or the switching unit can be driven in response to an output voltage level sensed by the voltage sensing unit. | 2013-12-05 |
20130322141 | POWER CONVERSION APPARATUS - A filter capacitor accumulating direct-current power and a semiconductor device module performing a switching operation that converts the direct-current power accumulated in the filter capacitor to alternating-current power are electrically connected with each other through a laminated bus bar. The laminated bus bar has a first bus bar and a second bus bar in which a plurality of connection conductors are laminated through an insulator. The second bus bar is provided with heat radiating portions that are formed by exposing a part of the conductor in each flat plate surface. | 2013-12-05 |
20130322142 | MULTILEVEL POWER CONVERTER - An AC-DC power converter is provided. The power converter includes an electrical terminal including a positive node and a negative node. The power converter also includes a first switch coupled across the positive node and the negative node and a second switch coupled in a reverse orientation relative to the first switch and in parallel to the first switch forming a first path and a second path. The power converter further includes a first electrical storage device situated in the first path and a second electrical storage device situated in the second path. | 2013-12-05 |
20130322143 | DIODE SUBSTITUTE WITH LOW DROP AND MINIMAL LOADING - A voltage rectifier circuit having a storage element and a switching stage that is switchable to enable the storage element to capture a peak voltage of an alternating power source. The switching stage includes transistors arranged in a back-to-back configuration. In one example, the storage element is a capacitor and the transistors are PNP bipolar junction transistors. The configuration of the circuit enables reduced loading on the power source, as well as reduced sensitivity to temperature. | 2013-12-05 |
20130322144 | Electric Power Converter - There is provided a technology for realizing a low-cost electric power converter operating at low noise under a high-temperature environment. The electric power converter is provided with an enclosure, a power module including a switching element, a driver circuit for generating a signal for driving the switching element, a control circuit board for generating an actuating signal to be sent out to the driver circuit, a base plate with the control circuit board mounted thereon, and a connection part for connecting between the enclosure and the control circuit board. The enclosure is provided with two openings adjacent to each other, and the base plate or the opening of the enclosure is provided with the connection part. | 2013-12-05 |
20130322145 | ROIC Control Signal Generator - A control signal generator to generate control signals for a readout integrated circuit (ROIC) includes a content addressable memory (CAM) and a random access memory (RAM). The CAM may have data stored within it that is indicative of times at which control signal switching events are to occur during generation of the control signals. The RAM may have data stored within it that is indicative of particular control signals that are to be toggled at the times indicated within the CAM. | 2013-12-05 |
20130322146 | NONVOLATILE MEMORY APPARATUS - A nonvolatile memory apparatus includes a memory cell area including memory cells for storing data input from an external apparatus, a redundancy cell area including memory cells configured to substitute failed memory cells, and a flag cell area including memory cells for storing whether most significant bits of the memory cells have been programmed. The flag cell area is configured in a part of the redundancy cell area. | 2013-12-05 |
20130322147 | LEAKAGE AND PERFORMANCE GRADED MEMORY - Embodiments of the present invention provide a memory configuration on a chip containing multiple memory segments having different memory grades. In a typical embodiment, a single chip will be provided on which the memory segments are positioned. A memory grade may include low performance (low leakage), medium performance (medium leakage), and high performance (high leakage). Each memory segment or group of memory segments may have a separate power supply and/or controller. In one example, memory segments may be stacked in a through-silicon via configuration. | 2013-12-05 |
20130322148 | TECHNIQUES FOR PROVIDING A DIRECT INJECTION SEMICONDUCTOR MEMORY DEVICE - Techniques for providing a direct injection semiconductor memory device are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for biasing a direct injection semiconductor memory device. The method may comprise applying a first voltage potential to a first N-doped region via a bit line and applying a second voltage potential to a second N-doped region via a source line. The method may also comprise applying a third voltage potential to a word line, wherein the word line is spaced apart from and capacitively coupled to a body region that is electrically floating and disposed between the first N-doped region and the second N-doped region. The method may further comprise applying a fourth voltage potential to a P-type substrate via a carrier injection line. | 2013-12-05 |
20130322149 | MEMORY DEVICE, METHOD OF OPERATING THE SAME, AND ELECTRONIC DEVICE HAVING THE MEMORY DEVICE - A memory device includes a memory cell array and a fuse device. The fuse device includes a fuse cell array and a fuse control circuit. The fuse cell array includes a first fuse cell sub-array which stores first data associated with operation of the fuse control circuit, and a second fuse cell sub-array which stores second data associated with operation of the memory device. The fuse control circuit is electrically coupled to the first and second fuse cell sub-arrays, and is configured to read the first and second data from the first and second fuse cell sub-arrays, respectively. | 2013-12-05 |
20130322150 | MEMORY DEVICE INCLUDING PROGRAMMABLE ANTIFUSE MEMORY CELL ARRAY - A memory device includes a memory cell array, a column decoder, and a row decoder. The memory cell array includes a plurality of antifuse memory cells arranged in rows and columns, each of the antifuse memory cells connected to one of a plurality of word lines, one of a plurality of high-voltage lines, and one of a plurality of bit lines. The column decoder is arranged at a first side of the memory cell array and configured to select one bit line among the bit lines. The row decoder is arranged parallel to the column decoder in a first direction, and configured to select one word line among the word lines. | 2013-12-05 |
20130322151 | FERROMAGNETIC DEVICE PROVIDING HIGH DOMAIN WALL VELOCITIES - The invention is directed to a ferromagnetic device ( | 2013-12-05 |
20130322152 | CIRCUITRY INCLUDING RESISTIVE RANDOM ACCESS MEMORY STORAGE CELLS AND METHODS FOR FORMING SAME - A method of forming a circuitry includes providing a substrate comprising a plurality of die. Each die includes a plurality of resistive random access memory (RRAM) storage cells. The method further includes concurrently initializing substantially all of the RRAM storage cells on the same wafer. Initializing can include applying a voltage potential across the RRAM storage cells. | 2013-12-05 |
20130322153 | NON-VOLATILE MEMORY CROSSPOINT REPAIR - A device for use with a memory cross-point array of elements, each of which comprises a selection device in series with a state-holding device, in one embodiment includes a controller, configured to apply at least one voltage and/or current pulse to a selected one or more of the elements, said selected one or more of the elements including a partially- or completely-shorted selection device, so that said partially- or completely-shorted selection device passes enough current so as to damage its corresponding state-holding device and place said corresponding state-holding device in a highly resistive state, while any other selection device that is not partially- or completely-shorted passes less current so that the state-holding device corresponding to said other selection device remains unaffected. Additional systems and methods are also presented. | 2013-12-05 |
20130322154 | SENSE AMPLIFIER CIRCUITRY FOR RESISTIVE TYPE MEMORY - Example embodiments include a resistive type memory current sense amplifier circuit including differential output terminals, first and second input terminals, pre-charge transistors, and current modulating transistors coupled directly to the pre-charge transistors. The pre-charge configuration provides high peak currents to charge the bit line and reference line during a “ready” or “pre-charge” stage of operation of the current sense amplifier circuit. The current modulating transistors are configured to operate in a saturation region mode during at least a “set” or “amplification” stage. The current modulating transistors continuously average a bit line current and a reference line current during the “set” or “amplification” stage, thereby improving noise immunity of the circuit. During a “go” or “latch” stage of operation, a logical value “0” or “1” is latched at the differential output terminals based on positive feedback of a latch circuit. | 2013-12-05 |
20130322155 | VARIABLE RESISTANCE MEMORY DEVICE AND DATA STORAGE DEVICE INCLUDING THE SAME - A variable resistance memory device includes memory cells arranged at a region where word lines and bit lines cross each other, control logic configured to generate a command flag indicative of a program operation mode in response to a program command provided from an external device and configured to control the program operation of the memory cells based on the command flag and a write driver configured to be activated in response to the flag command and configured to supply a program current to the memory cells. | 2013-12-05 |
20130322156 | READ MEASUREMENT OF RESISTIVE MEMORY CELLS - A method for read measurement of resistive memory cells having s≧2 programmable cell-states includes applying to each cell at least one initial voltage and making a measurement indicative of cell current due to the initial voltage; determining a read voltage for the cell in dependence on the measurement; applying the read voltage to the cell; making a read measurement indicative of cell current due to the read voltage; and outputting a cell-state metric dependent on the read measurement; wherein the read voltages for cells are determined in such a manner that the cell-state metric exhibits a desired property. | 2013-12-05 |
20130322157 | READ MEASUREMENT OF RESISTIVE MEMORY CELLS - A method for read measurement of resistive memory cells having s≧2 programmable cell-states includes applying to each cell at least one initial voltage and making a measurement indicative of cell current due to the initial voltage; determining a read voltage for the cell in dependence on the measurement; applying the read voltage to the cell; making a read measurement indicative of cell current due to the read voltage; and outputting a cell-state metric dependent on the read measurement; wherein the read voltages for cells are determined in such a manner that the cell-state metric exhibits a desired property. | 2013-12-05 |
20130322158 | Memory Cells, Memory Cell Constructions, and Memory Cell Programming Methods - Some embodiments include memory cells including a memory component having a first conductive material, a second conductive material, and an oxide material between the first conductive material and the second conductive material. A resistance of the memory component is configurable via a current conducted from the first conductive material through the oxide material to the second conductive material. Other embodiments include a diode comprising metal and a dielectric material and a memory component connected in series with the diode. The memory component includes a magnetoresistive material and has a resistance that is changeable via a current conducted through the diode and the magnetoresistive material. | 2013-12-05 |
20130322159 | MULTI-PORT REGISTER FILE WITH MULTIPLEXED DATA - A semiconductor memory storage device comprises an array of storage devices including a plurality of rows of the storage devices and a plurality of columns of the storage devices, a first plurality of write ports, a write select signal coupled to the write ports, a plurality of write port address lines coupled as input to each of the write ports, and a first plurality of word line select circuits coupled to receive an address signal and the write select signal for each of the write ports and to provide a single selected write word line signal to a respective one of the rows of the storage devices for one of the first plurality of write ports activated by the write select signal. | 2013-12-05 |
20130322160 | MEMORY DEVICE TO CORRECT DEFECT CELL GENERATED AFTER PACKAGING - A memory device to correct a defect cell generated after packing is performed includes a memory cell array in which a plurality of memory cells are arranged, a repair circuit unit including a first storage unit to store defect cell information in the memory cell array, and a fuse circuit unit including a second storage unit that is programmed according to the defect cell information stored in the first storage unit. The first storage unit includes a volatile memory device, and the second storage unit includes a non-volatile memory device. | 2013-12-05 |
20130322161 | MAGNETIC RANDOM ACCESS MEMORY - According to one embodiment, a magnetic random access memory includes a write circuit to write complementary data to first and second magnetoresistive elements, and a read circuit to read the complementary data from the first and second magnetoresistive elements. The control circuit is configured to change the first and second bit lines to a floating state after setting the first and second bit lines to a first potential, and change a potential of the first bit line in the floating state to a first value in accordance with a resistance value of the first magnetoresistive element and a potential of the second bit line in the floating state to a second value in accordance with a resistance value of the second magnetoresistive element by setting the common source line to a second potential higher than the first potential. | 2013-12-05 |
20130322162 | SEMICONDUCTOR MEMORY DEVICES AND RELATED METHODS OF OPERATION - A semiconductor memory device includes a cell array including one or more bank groups, where each of the one or more bank groups includes a plurality of banks and each of the plurality of banks includes a plurality of spin transfer torque magneto resistive random access memory (STT-MRAM) cells. The semiconductor memory device further includes a source voltage generating unit for applying a voltage to a source line connected to the each of the plurality of STT-MRAM cells, and a command decoder for decoding a command from an external source in order to perform read and write operations on the plurality of STT-MRAM cells. The command includes a combination of at least one signal of a row address strobe (RAS), a column address strobe (CAS), a chip selecting signal (CS), a write enable signal (WE), and a clock enable signal (CKE) | 2013-12-05 |
20130322163 | SEMICONDUCTOR MEMORY DEVICE - According to one embodiment, a semiconductor memory device includes a first cell array includes memory cells and reference cells, a second cell array located adjacent to the first cell array in a first direction, a third cell array located adjacent to the first cell array in a second direction crossing the first direction, a fourth cell array located adjacent to the second cell array in the second direction, and a sense amplifier connected to the first to fourth cell array and configured to compare a current through a memory cell with a current through a reference cell to determine the data of the memory cell. A reference cell is selected from a cell array which is diagonally opposite to a cell array as a read target. | 2013-12-05 |
20130322164 | SEMICONDUCTOR DEVICE FOR SUPPLYING AND MEASURING ELECTRIC CURRENT THROUGH A PAD - The present invention relates to a semiconductor device, and more particularly, to a semiconductor memory device capable of supplying and measuring an electric current through a pad. The semiconductor device includes a memory cell, a data pad configured to receive data to be programmed into the memory cell or a write current to be supplied to the memory cell from an external device, and output data read out from the memory cell or a cell current flowing from the memory cell to the external device, and a path switching unit configured to set up a path so that the memory cell and the data pad are directly coupled when a test operation is performed. | 2013-12-05 |
20130322165 | PROGRAMMING OF GATED PHASE-CHANGE MEMORY CELLS - A method for programming gated phase-change memory cells, each with a gate, source and drain, having s≧2 programmable cell-states including an amorphous RESET state and at least one crystalline state includes applying a programming signal between the source and drain of a memory cell to program that cell to a desired cell-state; and when programming the cell from a crystalline state to the RESET state, applying a bias voltage to the gate of the cell to increase the cell resistance. | 2013-12-05 |
20130322166 | MEMORY APPARATUS WITH GATED PHASE-CHANGE MEMORY CELLS - A memory apparatus includes a plurality of gated phase-change memory cells having s≧2 programmable cell-states, the cells each having a gate and being arranged in series between a source and drain; a bias voltage generator configured to apply a bias voltage to the gate of each cell; and a controller configured to control the bias voltage generator, in a write operation for programming the state of a cell, to apply a first bias voltage to the gate of each cell except an addressed cell for the write operation, wherein application of the first bias voltage to a cell reduces the cell resistance such that application of a programming signal between the source and drain effects programming of the addressed cell only. | 2013-12-05 |
20130322167 | PROGRAMMING OF GATED PHASE-CHANGE MEMORY CELLS - A method for programming gated phase-change memory cells, each with a gate, source and drain, having s≧2 programmable cell-states including an amorphous RESET state and at least one crystalline state includes applying a programming signal between the source and drain of a memory cell to program that cell to a desired cell-state; and when programming the cell from a crystalline state to the RESET state, applying a bias voltage to the gate of the cell to increase the cell resistance. | 2013-12-05 |
20130322168 | MEMORY APPARATUS WITH GATED PHASE-CHANGE MEMORY CELLS - A memory apparatus includes a plurality of gated phase-change memory cells having s≧2 programmable cell-states, the cells each having a gate and being arranged in series between a source and drain; a bias voltage generator configured to apply a bias voltage to the gate of each cell; and a controller configured to control the bias voltage generator, in a write operation for programming the state of a cell, to apply a first bias voltage to the gate of each cell except an addressed cell for the write operation, wherein application of the first bias voltage to a cell reduces the cell resistance such that application of a programming signal between the source and drain effects programming of the addressed cell only. | 2013-12-05 |
20130322169 | MULTI-LEVEL CELL (MLC) UPDATE WITH PROTECTED MODE CAPABILITY - Method and apparatus for managing data in a memory, such as a flash memory array. In accordance with some embodiments, a first block of data is written to a group of memory cells at a first memory location in single-level cell (SLC) mode. The first block of data is copied from the first memory location to a group of memory cells at a second memory location to provide a backup copy of the first block of data during a protected mode of operation. A second block of data is subsequently overwritten to the group of memory cells at the first memory location so that the first memory location stores both the first and second blocks of data in multi-level cell (MLC) mode. | 2013-12-05 |
20130322170 | MEMORY CELL SENSING - This disclosure concerns memory cell sensing. One or more methods include determining a data state of a first memory cell coupled to a first data line, determining a data state of a third memory cell coupled to a third data line, transferring determined data of at least one of the first and the third memory cells to a data line control unit corresponding to a second data line to which a second memory cell is coupled, the second data line being adjacent to the first data line and the third data line, and determining a data state of the second memory cell based, at least partially, on the transferred determined data. | 2013-12-05 |
20130322171 | METHODS OF OPERATING NONVOLATILE MEMORY DEVICES THAT SUPPORT EFFICIENT ERROR DETECTION - Methods of operating nonvolatile memory devices may include identifying one or more multi-bit nonvolatile memory cells in a nonvolatile memory device that have undergone unintentional programming from an erased state to an at least partially programmed state. Errors generated during an operation to program a first plurality of multi-bit nonvolatile memory cells may be detected by performing a plurality of reading operations to generate error detection data and then decoding the error detection data to identify specific cells having errors. A programmed first plurality of multi-bit nonvolatile memory cells and a force-bit data vector, which was modified during the program operation, may be read to support error detection. This data, along with data read from a page buffer associated with the first plurality of multi-bit nonvolatile memory cells, may then be decoded to identify which of the first plurality of multi-bit nonvolatile memory cells are unintentionally programmed cells. | 2013-12-05 |