20th week of 2014 patent applcation highlights part 30 |
Patent application number | Title | Published |
20140133127 | Method and Apparatus Pertaining to Keycap Light Guides - An apparatus (such as a keyboard) has a plurality of keycaps and a corresponding light guide film disposed on the underside of those keycaps. The light guide film has a periphery, and at least portions of that periphery are thicker than in an interior portion of the light guide film. So configured, more light can be made available for backlighting purposes in the thicker portions than at the thinner portions. These teachings include determining the various (different) thicknesses to employ for the light guide film based upon desired backlighting of one or more of the plurality of keycaps. | 2014-05-15 |
20140133128 | LAMP AND VEHICLE LAMP APPARATUS USING THE SAME - Disclosed are a lamp capable of displaying an emblem and a vehicle lamp apparatus using the same. The lamp includes a light source module and an optical member spaced apart from the light source module by a predetermined distance. The optical member includes at least one plate including a bottom surface adjacent to the light source module and a top surface opposite the bottom surface, a first pattern disposed at the top surface of the plate to display a predetermined emblem, and a second pattern disposed at the top surface of the plate excluding the first pattern to condense light incident from the light source module. | 2014-05-15 |
20140133129 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device having the same, and a method of fabricating the same. The optical member includes a receiving part having an empty space therein, a host in the receiving part, a plurality of wavelength conversion particles in the host, a sealing part in the receiving part, and a pre-treatment layer between the sealing part and an inner surface of the receiving part. | 2014-05-15 |
20140133130 | Receptacle Cover - A cover for an electrical receptacle including a faceplate. The cover also includes a first transmission tab configured to be electrically connected to a first power line of the electrical receptacle and a second transmission tab configured to be electrically connected to a second power line of the electrical receptacle. Additionally, the cover includes a device (such as a light source, circuit, port, or sensor) in communication with the first transmission tab and the second transmission tab. | 2014-05-15 |
20140133131 | AROMA-DIFFUSING HEATING DEVICE USING AN AROMA CAPSULE - An aroma-diffusing heating device using an aroma capsule is provided, including a hollow housing, a heat conduction container and a heating element. The heat conduction container is disposed in the hollow housing. The heating element is disposed on a bottom side of the heat conduction container. The heat conduction container has an aroma capsule placed therein from a free end thereof. The hollow housing has a funnel-shaped space formed between a slanting slide portion and a protruding edge of a disposable container of the aroma capsule to define an operation space. A user is allowed to grab the protruding edge of the aroma capsule with his fingers and place the aroma capsule in the heat conduction container, and his fingers can slide through the slanting slide portion into the operation space. Therefore, the fingers can enter into and leave from the operation space easily. | 2014-05-15 |
20140133132 | AROMA-DIFFUSING HEATING DEVICE - An aroma-diffusing heating device using an aroma capsule is provided, including a hollow housing, a heat conduction unit and a heating element. The heat conduction unit is disposed in the hollow housing. The heating element is disposed on a bottom side of the heat conduction unit. The heat conduction unit has an aroma capsule placed thereon. The hollow housing has a funnel-shaped space formed between a slanting slide portion and the aroma capsule to define an operation space. A user is allowed to grab the protruding edge of the aroma capsule with his fingers and place the aroma capsule in the heat conduction unit, and his fingers can slide through the slanting slide portion into the operation space. Therefore, the fingers can enter into and leave from the operation space easily. | 2014-05-15 |
20140133133 | LUMINANCE ENHANCEMENT FILM, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a luminance enhancement film which is superior in dimensional stability, thermal stability, and anti-deformation ability. Thus, it can meet the current requirement for thinning LCD apparatuses. | 2014-05-15 |
20140133134 | COLOR OPTICAL PEN FOR ELECTRONIC PANEL - A color optical pen includes a tip unit, a pen body unit attached to the tip unit; a pressure sensor that is disposed in the tip unit and configured to sense at least contact between a display unit of a terminal device and the tip unit; a light source that is disposed in the pen body unit and is configured to output light through the tip unit, if the pressure sensor senses the contact; a color selection switch that is disposed on the pen body, the color selection switch configured to select a color in response to operation by a user; and a driver configured to drive the light source at a frequency or pattern based on operation of the color selection switch. | 2014-05-15 |
20140133135 | HANDHELD ILLUMINATION DEVICE - A handheld illumination device contains a body held by a user and including a through hole defined in the body, a connecting portion formed on a front end of the body, and a holding portion arranged on a rear end of the body; an operating member including a working segment defined on a front end thereof, a shank formed on a rear end of the operating member and inserted into the connecting portion of the body, the shank having a groove defined therein and communicating with the working segment; a lamp module fixed in the holding portion of by using the seat in which a light-emitting element, a battery pack, and a control button are disposed, the light-emitting element emitting light via the through hole and the groove so as to illuminate an work position relative to the working segment of the operating member. | 2014-05-15 |
20140133136 | SYSTEM FOR USE IN ILLUMINATION OF RAILWAY FEATURE - There is provided a system for use in illuminating a feature of a railway. In one embodiment, a system can include an illumination unit disposed for illumination of a railway feature. The illumination unit can include a light source bank, a solar panel, and a rechargeable battery for energizing the light source bank that is rechargeable utilizing energy collected by the solar energy panel. | 2014-05-15 |
20140133137 | MODULAR ILLUMINATING TILE - A modular illuminating tile ( | 2014-05-15 |
20140133138 | Illuminating Device Having Folding Solar Panels - An illuminating device having folding solar panels, which comprises a lamp cover, a light source, two solar panels, and a folding holder on which the two solar panels are positioned. The opening of the lamp cover is smaller than the deployed area of the folding holder. When it is intended to place the light source, solar panels, and folding holder inside the lamp cover, the folding holder are folded by a predetermined angle so as to pass through the opening of the lamp cover. Accordingly, the illuminating device may significantly reduce the overall volume thereof without compromising the working efficiency. The illuminating device is flexible in arrangement and assembly, and is also more flexible in construction since the solar panels may be positioned at the highest portion to absorb more sunlight. | 2014-05-15 |
20140133139 | SOLAR POWER APPARATUS PROVIDING ILLUMINATION TO HANGING FLOWER PLANTERS OR POTTED FLOWERS - A solar-powered lighting/illumination fixture for hanging flower planters or potted flowers comprises a body that can be affixed through a central opening or the like to the hanging hardware of the planter. The lighting fixture has solar cells that charge internal batteries during daylight hours and drive lights that illuminate the planter during nighttime hours. The fixture can also be affixed with a spoke that will allow it to be supported in the ground to provide pathway lighting. The lighting is provided through LEDs which also may accommodate light filters that can provide different colors to change the mood of the setting, as well as being provided with an adapter to fit most hanging planters in the market and also provided with an attaching mechanism that allows the height of the lighting fixture above the planter to be adjusted. | 2014-05-15 |
20140133140 | BURGLARPROOF LAMP - A burglarproof lamp includes a lamp head part with a lamp head shell, a center contact bolt, a center contact insulation fixing base, a center contact insulation fixing sheet, a location post and a connection part fixing base. The center contact bolt is connected to a conductive pole after passing through the center contact insulation fixing base, the lamp head shell and the center contact insulation fixing sheet. The connection part fixing base has a boss and a containing cavity where a spring and a center conductive shaft are located. A conductive fixing ring is connected to the lamp head shell for limiting the position of the connection part fixing base via the boss. The center contact insulation fixing sheet has a location hole, into which the location post can be inserted when it is driven to the position corresponding to the location hole by the connection part fixing base. | 2014-05-15 |
20140133141 | ILLUMINATION DEVICE - Illumination devices are provided. In one aspect, an illumination device includes a housing including a plurality of electrically conductive leads. The illumination device also includes a lens unitarily formed as one-piece with the housing and a first light source electrically coupled to at least one of the plurality of electrically conductive leads and positioned behind the lens. The first light source is adapted to emit light of a first color. The illumination device further includes a second light source electrically coupled to at least another one of the plurality of electrically conductive leads and positioned behind the lens. The second light source is adapted to emit light of a second color different than the first color. The illumination device is adapted to be coupled to a surface of a substrate and emit light through the lens generally parallel to the surface. | 2014-05-15 |
20140133142 | MECHANICAL COLOR MIXING DEVICE - The present invention relates to an illumination device comprising a number of light sources generating light and a number of light collecting means adapted to collect the generated light and to convert the collected light into a number of light beams that propagate along an optical axis. The light sources are arranged in a first group and a second group of light sources and the first and second group of light sources emits light having different spectral distribution. The light sources and the light collecting means are movable in relation to each other and can be positioned in a number of mixing positions, where in the number of mixing positions the light collecting means are adapted to collect at least a part of the light emitted by the first group of light sources and at least a part of the light emitted by said second group of light sources and to convert the collected light into number of mixed light beams. | 2014-05-15 |
20140133143 | ARRANGEMENT FOR OUTPUTTING LIGHT WITH PUNCTIFORM LIGHT SOURCES AND LIGHT DEFLECTION ELEMENT - An arrangement for outputting light is provided, having a plurality of punctiform light sources and a light deflection element with a boundary face and/or a boundary face section, which boundary face or boundary face section is arranged in the beam path of the light of both a first light source and of a second light source. In this context, the boundary face or the boundary face section forms a light input face for the light of the first light source into the light deflection element and at the same time forms a reflective face for the light of the second light source. | 2014-05-15 |
20140133144 | Retrofit lighting device - There is provided a lighting device ( | 2014-05-15 |
20140133145 | LED LAMP - The present invention relates to an LED lamp. In the LED lamp, light may be emitted in lateral and rear directions as well as in a front direction to obtain light distribution characteristics similar to those of an incandescent lamp, and heat generated when the LED emits light may be effectively dissipated. | 2014-05-15 |
20140133146 | PHOSPHOR, METHOD FOR PREPARING AND USING THE SAME, LIGHT EMITTING DEVICE PACKAGE, SURFACE LIGHT SOURCE APPARATUS AND LIGHTING APPARATUS USING RED PHOSPHOR - Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M) | 2014-05-15 |
20140133147 | LIGHT EMITTING DEVICE - A light emitting device includes: a frame having an opening; at least one light emitting diode (LED) disposed on the frame; a reflector disposed on the frame; and a reflective protrusion projecting from the reflector, wherein light emitted from at least one light emitting diode is reflected by the reflector through the opening, wherein the vertical axis of the reflective protrusion is perpendicular to a plane formed by extending the upper surface of the frame, wherein the upper surface of the frame contacts the reflector, and wherein a distance between two LEDs with one LED placed therebetween is greater than a distance between one LED and the reflector. Because a light source is disposed on the frame of the light emitting device, it is possible to easily exchange the light source of the light emitting diode by removing and attaching the frame without disassembling the entire lighting device. | 2014-05-15 |
20140133148 | LIGHTING DEVICE - A lighting device may include: a carrier having a mounting surface, at least one luminescence diode chip having, at its side facing away from the carrier, a radiation exit surface, through which electromagnetic radiation generated in the luminescence diode chip during operation emerges at least partly, at least one optical body designed in a radiation-transmissive fashion, and a shaped body including a phosphor, wherein each luminescence diode chip is fixed to the mounting surface on the carrier, each optical body is fixed to the radiation exit surface of an assigned luminescence diode chip, the shaped body encloses each optical body in a positively locking manner at a side surface of the optical body, and the phosphor converts at least part of the electromagnetic radiation generated in at least one of the luminescence diode chips during operation. | 2014-05-15 |
20140133149 | LAMP | 2014-05-15 |
20140133150 | LINEAR LED LIGHT MOUNTING SYSTEM - In various embodiments, a system for providing an LED illumination source on a surface includes a light module comprising (i) an illumination area for receiving one or more light-emitting diodes (LEDs) and (ii) slip joints at first and second ends of the light module, each slip joint comprising a slip joint slot, and at least one bracket for mounting the light module to the surface, the at least one bracket having (i) a fitting frictionally receivable within one of the slip joint slots and (ii) a mounting region engageable to the surface. | 2014-05-15 |
20140133151 | LIGHT EMITTING DEVICE - A light emitting device includes a flexible substrate member having a base member and a plurality of wiring portions disposed on a surface of the base member, a plurality of light emitting elements arranged on the surface of the base member and electrically connected to the plurality of wiring portions, and a plurality of sealing members sealing corresponding parts of the substrate member and the light emitting elements respectively. The substrate is curved so that at least a part of periphery of the sealing member is arranged at a position lower than the position on which the light emitting element is disposed. | 2014-05-15 |
20140133152 | POINTING SYSTEM FOR A LASER - A pointing system having a rotatable housing, a boresight relative to the housing, a rotatable mirror, and a laser emitting a beam of light, wherein the beam of light is redirected off the mirror to the pointing target. When the rotatable mirror is rotated, the beam of light is moved relative to the boresight. The system operates such that rotation of the beam of light by means of the rotatable mirror is greater than the rotation of the boresight by means of the rotatable housing. | 2014-05-15 |
20140133153 | Luminaire Having Vented Optical Chamber And Associated Methods - A luminaire may include an electrical base, an optic defining an optical chamber, an intermediate member that may be positioned between the electrical base and the optic, and a light source. The intermediate member may include a main body and a plurality of structural supports that may be connected to the main body which may be configured to carry an upper member. A plurality of voids may be positioned between the respective plurality of structural supports to position the optical chamber in optical communication with the environment surrounding the luminaire therethrough. The upper member may be configured to carry the optic and the light source may be electrically coupled to the electrical base and may be positioned within the optical chamber. The optic may be configured to redirect at least a portion of light incident thereupon in the direction of the plurality of voids. | 2014-05-15 |
20140133154 | LIGHTING APPARATUS - Disclosed is a lighting apparatus which may include a heat sink, a light emitting device including a substrate mounted on the heat sink and LEDs arranged on the substrate, a bulb surrounding the light emitting device, an electronic module received within the heat sink to supply power to the light emitting device, a case provided to surround the electronic module, the case being configured to be inserted into the heat sink, a communication module separably coupled to the electronic module, and a power socket electrically connected to the electronic module, the power socket being mounted to the case. The communication module may include a housing, a circuit board provided in the housing. The circuit board may be electrically connected to the electronic module, and a wireless communication device may be provided on the circuit board. | 2014-05-15 |
20140133155 | Scalable Heat Dissipating Microelectronic Integration Platform (SHDMIP) For Lighting Solutions And Method Of Manufacturing Thereof - The present invention provides a Scalable Heat Dissipating Microelectronic Integration Platform (SHDMIP) LED package having excellent heat dissipation and protection to the LED, thus extending the lifespan of the LED. Each of the SHDMIP LED package comprises a dual lead frame assembly comprising bottom and top lead frame, protection and driver circuit electrically connected to the top or bottom lead frame and a LED electrically connected to the top lead frame. The bottom lead frame comprises heat sink pad for heat dissipation purpose. Plurality of SHDMIP LED packages of the present invention can be configured in a matrix or row, forming a SHDMIP LED array for various lighting solutions. | 2014-05-15 |
20140133156 | LED Lighting Apparatus and Housing - A lighting apparatus and method for making the same are presented. In some aspects the apparatus includes a plurality of LED light sources mounted to a metal circuit board in a housing of the apparatus. In other aspects a light-permissive potting compound is disposed in the space between the LEDs and circuit board and the housing of said apparatus so as to permit exit of light from said LEDs while providing mechanical protection for the circuit board and LEDs and removing heat generated from said LEDs. | 2014-05-15 |
20140133157 | LIGHTING ASSEMBLY - A lighting assembly is provided. The lighting assembly includes a bracket and a frusto-spherical housing received by the bracket and mounted for rotation relative to the bracket. By rotating the frusto-spherical housing within the bracket, light emitted by the lighting assembly can be focused or directed in a selected direction. | 2014-05-15 |
20140133158 | EXTERNAL BEAM DELIVERY SYSTEM FOR LASER DARK-FIELD ILLUMINATION IN A CATADIOPTRIC OPTICAL SYSTEM - A catadioptric objective configured to inspect a specimen is provided. The catadioptric objective includes a Mangin element having one surface at a first axial location and an extension element positioned together with the Mangin element. The extension element provides a second surface at a second axial location. Certain light energy reflected from the specimen passes to the second surface of the extension element, the Mangin element, and through a plurality of lenses. An aspheric surface may be provided, and light energy may be provided to the specimen using diverting elements such as prisms or reflective surfaces. | 2014-05-15 |
20140133159 | CELL FOR LIGHT-EMITTING DEVICE AND LIGHT-EMITTING DEVICE - The present invention can further increase the efficiency of light extraction from the light exit surface of a light-emitting device. A cell ( | 2014-05-15 |
20140133160 | Optical Plate and Illuminating Member Using the Same - Disclosed is an optical plate and an illuminating member, and particularly an optical plate for reducing UGR, which has a plurality of micro lens patterns formed on a base substrate, a fill factor of the micro lens patterns being in range of 0.5 to 1.0. | 2014-05-15 |
20140133161 | REFLECTIVE COVER MOLDING METHOD AND REFLECTIVE COVER MANUFACTURED THEREOF - A reflective cover molding method and a reflective cover manufactured thereof are disclosed. The reflective cover molding method comprises the steps of: providing a metal substrate; setting the metal substrate on a substrate mold, and punching the metal substrate by a pressure to form a circular substrate; propping the circular substrate onto a fixed mold with a prop; jointly rotating the fixed mold and the circular substrate, applying a pressure by a spinning roller to attach the circular substrate, and applying a pressure to spin out a molded cover; setting the molded cover onto a shaped mold, and punching the molded cover by a pressure to form an optical structure surface on the molded cover; and punching the molded cover to remove a bottom hole to form the reflective cover, so as to accelerate production rate and enhance product quality, stability and precision. | 2014-05-15 |
20140133162 | COVER FOR BACKLIGHT MODULE, BACKLIGHT MODULE, AND LIQUID CRYSTAL DISPLAY - A cover of a backlight module for protecting backlight components is disclosed. The cover includes: a main body; and bent clasping sheets arranged on at least one edge portion of the main body, the clasping sheet is fixed in a groove cavity between a backplane and a front frame so as to fix the cover on the backplane. In addition, a backlight module and a liquid crystal display are disclosed. The above-mentioned cover, the backlight module, and the liquid crystal display may simplify the assembly process of the backlight module, and may reduce the cost at the same time. | 2014-05-15 |
20140133163 | LIGHTING DEVICE, CORRESPONDING SUPPORT AND CORRESPONDING METHOD - In various embodiments, a lighting device for mounting on a mounting surface is provided. The device may include: a planar solid state lighting module having a light emitting region; a housing which frames the lighting module, the housing having a window therein to expose the light emitting region of the lighting module; wherein the housing is magnetically attractable towards the mounting surface to retain the lighting module applied onto the mounting surface by the lighting module being sandwiched between the mounting surface and the housing magnetically attracted towards the mounting surface. | 2014-05-15 |
20140133164 | LUMINAIRE MOUNTING INTERFACE - Disclosed is a luminaire mounting interface including an interface body configured for association with a luminaire, and an interface surface of the interface body, the interface surface including at least two association points separated by 20 mm to 83 mm. | 2014-05-15 |
20140133165 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer. | 2014-05-15 |
20140133166 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conductive material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conductive layer and an electrically conductive layer such that the electrically non-conductive layer is electrically isolated or separated from the electrically conductive layer. | 2014-05-15 |
20140133167 | Light Emitting Module Having Heat Conductive Substrate - A substrate having a plurality of light-emitting elements mounted thereon is described. The substrate may be mounted in a lighting apparatus and may include a surface on which the plurality of light-emitting elements are mounted and one or more holes through which heat may be conducted from the first surface to another surface of the substrate. For example, a heat conductive and electrically non-conducting material may cover a surface of the one or more holes. According to some arrangements, the surface of the substrate may include an electrically non-conducting layer and an electrically conductive layer such that the electrically non-conducting layer is electrically isolated or separated from the electrically conductive layer. | 2014-05-15 |
20140133168 | LIGHTING DEVICE - A lighting device may include: a plurality of light sources; and a plurality of waveguides; wherein the waveguides each have a light coupling-in surface and a light coupling-out surface; wherein the light coupling-in surfaces are respectively assigned a light-emitting surface of a light source, such that light emitted by the light-emitting surface of the light source impinges on the light coupling-in surface of the waveguide assigned thereto; wherein the light coupling-out surfaces of the waveguides are arranged in a matrix-like manner; wherein the light coupling-in surface of the respective waveguide is smaller than the light-emitting surface of the light source assigned to said waveguide, and a grating-like optical diaphragm having grating cells is provided, which is arranged in the region of the light coupling-in surfaces of the waveguides, such that light coupling-in surfaces belonging to different waveguides are arranged in different grating cells of the grating-like optical diaphragm. | 2014-05-15 |
20140133169 | LIGHTING DEVICE INCLUDING SEMICONDUCTOR LIGHT SOURCE - A lighting device may include a carrier, on which at least one semiconductor light source is arranged; and may have at least one main reflector, which arches over the at least one semiconductor light source; wherein at least one local reflector, which is likewise arched over by the main reflector, is arranged on the carrier. | 2014-05-15 |
20140133170 | SUPPLEMENTAL VEHICLE LIGHTING SYSTEM FOR VISION BASED TARGET DETECTION - A supplemental vehicle lighting system that is responsive to a trailer backup assist system is provided. The system includes a rear vehicle fixture defining a keylock hole customarily used in conjunction with a corresponding keylock cylinder. A light assembly is provided in the place of a keylock cylinder and operably coupled to the keylock hole. The light assembly includes a housing having a barrel that is concentrically aligned with the keylock hole and includes a distal end and a proximal end. A lighting device is disposed inside the housing and operable to emit light through the barrel beginning from the proximal end. A lens is coupled to the distal end of the barrel and is disposed to at least partially coincide with the keylock hole, wherein the lens is configured to disperse light emitted from the lighting device to illuminate a rear vehicle area. | 2014-05-15 |
20140133171 | Light emitting wheel hub - The present inventive compact generator, light emitting wheel hub has an improved light and armature assembly that simplifies manufacturing, improves function and durability of the light emitting wheel hub. The inventive wheel hub is useful for such wheels used in skate board, roller skate, in-line roller skate, wheel chair, and like apparatus. | 2014-05-15 |
20140133172 | Light Output Device with Movable Lightguide System - The invention relates to a light-output device ( | 2014-05-15 |
20140133173 | ILLUMINATED CLIP AND METHODS OF USE - A surgical clip for illuminating tissue in a surgical field has first and second elongate arms and a connector joining the arms together. The arms are biased to expand laterally outward into an expanded configuration in which the arms engage the tissue in the surgical field with enough force to seat the clip without retracting the tissue. A waveguide illuminator is coupled to the first arm, and has a light input portion, a light output portion, and a light conducting portion extending between the light input portion and the light output portion. Light passes through the waveguide illuminator by total internal reflection, and the waveguide illuminator directs light to the tissue. Methods of using the illuminated clip are also disclosed. | 2014-05-15 |
20140133174 | Displays and Display Chassis Structures - Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. A plastic display chassis may be used to support display layers and backlight components. A light blocking material such as a layer of metal or opaque coating material may be formed on a surface of the plastic display chassis and may be used to reduce light leakage from the backlight components to the exterior of the electronic device. A metal barrier structure may be formed on a surface of the support structure and may be used to ground a conductive display layer to a conductive support structure such as a metal display chassis or a metal housing member. The plastic display chassis may be insert molded around a light barrier structure. | 2014-05-15 |
20140133175 | FLAT ILLUMINATION DEVICE - A flat illumination device is provided, and includes a frame, a light guide plate, and at least one light source. The frame includes an inner wall, wherein the inner wall has a reflective surface. The light guide plate is disposed in the frame, and has a first surface, a second surface opposite to the first surface, and at least one light incident surface adjoining the first and second surfaces. The first surface faces the reflective surface, and there is a distance between the first surface and the reflective surface. At least one pattern formed from mesh points or microstructures is disposed on at least one of the first surface and the second surface. The light source is disposed in the frame, and is adjacent to the light incident surface for providing light to the light guide plate. | 2014-05-15 |
20140133176 | Sidelight Backlight Module with Assisting Solar Light Source and Liquid Crystal Display Device - The present invention provides a side-light backlight module with assisting solar light source and which comprises a side-light source; a waveguide having an incident surface facing the side-light source and an emitting surface; an optical film set arranged on top of the waveguide and facing the emitting surface; and an assisting light source directing collected solar light into the incident surface of the waveguide. With the provision of the assisting light source, the solar light can be used as an assisting light source making the backlight module and the liquid crystal display device made therefrom become more environmental friendly. | 2014-05-15 |
20140133177 | LCD BACKLIGHT COMPONENT COATINGS FOR REDUCING LIGHT LOSSES AND IMPROVING IN-STACK LIGHT COLLIMATION - Provided are multilayer stacks for backlight units in LCD panels and methods for forming thereof. The stacks include refractive index matching layers and pressure sensitive adhesives to minimize light losses. More particularly, the stacks comprise a reflector, a light guide, a course diffuser, one or more brightness enhancing films, and a fine diffuser. A refractive index matching layer is deposited onto at least one surface of the backlight components. A pressure sensitive adhesive is deposited onto the refractive index matching layers. Alternatively, the stacks comprise two or more refractive index matching layers on each surface of the backlight components and retain an air gap between the backlight components. The refractive index matching interlayers are based on a polymer solution having about 0.1%-30% by weight of specific rigid rod-like polymer molecules. The molecules may include various cores, spacers, and sides groups to ensure their solubility, viscosity, and cross-linking ability. | 2014-05-15 |
20140133178 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A display device includes a backlight unit generating light and a display panel displaying an image using the light from the backlight unit. The backlight unit includes a circuit board, a plurality of light emitting devices, a light guide member including a light incident surface, and a guide member disposed between a surface of the circuit board and the light incident surface. The guide member uniformly maintains a distance between the light incident surface and the light emitting devices. Thus, a light loss is reduced. | 2014-05-15 |
20140133179 | Electronic Device with Display Chassis Structures - Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. Display chassis structures may be used to support display layers and backlight components. A metal chassis may include a portion that partially surrounds the light source. Openings or perforations in the metal chassis may allow the portion that surrounds the light source to flex about a flex axis. A portion of a display layer may be mounted to a plastic chassis. The plastic chassis may be insert molded over a light source, may form part of a package for a light source, may be adhered to a light source, or may wrap around the light source. An encapsulant may be formed over the light source to protect the light source from vibrations and contaminants. | 2014-05-15 |
20140133180 | PLANAR LIGHT SOURCE DEVICE AND DISPLAY APPARATUS INCORPORATING SAME - A planar light source device with highly uniform intensity and high light utilization efficiency, and a display apparatus incorporating the same, are provided. A light guide plate, configured by a material such as plate-shaped and transparent acryl resin, polycarbonate resin, or glass, causes incident light to propagate within the light guide plate and then to exit the light through an exit surface as a surface emitting light. A first recess is formed substantially in the center of the exit surface. The first recess is cylinder-shaped, and on a bottom thereof is provided a lens that refracts incident light from a light source, in a direction away from the center of a circle on the bottom. | 2014-05-15 |
20140133181 | ILLUMINATION DEVICE AND DISPLAY DEVICE - This illumination device ( | 2014-05-15 |
20140133182 | LIGHT GUIDE PLATE STRUCTURE AND LIGHT-GUIDE-PLATE MANUFACTURING METHOD THEREOF - A light guide plate structure includes a light guide plate, a first medium layer, a micro structure, a second medium layer, and a reflection layer. The light guide plate has a light exit surface and a bottom surface opposite to the light exit surface. The first medium layer is formed on the light exit surface. The micro structure is formed on the bottom surface for redirecting light inside the light guide plate to emit from the light exit surface. The second medium layer is formed on the micro structure. The refractive index of the first medium layer and the refractive index of the second medium layer are less than the refractive index of the light guide plate but greater than the refractive index of air. The reflection layer is formed on the second medium layer for reflecting light inside the light guide plate to emit from the light exit surface. | 2014-05-15 |
20140133183 | LIGHT GUIDING MEMBER, LIGHT EMITTING DEVICE, STATIC ELIMINATING DEVICE, AND IMAGE FORMING APPARATUS - A light guiding member includes a first end portion including an incident surface on which light emitted from a light source is incident; an emitting surface that extends in such a direction as to be at an angle to the incident surface, the emitting surface emitting the light that has been emitted from the light source and that has entered from the incident surface to a target object; and a second end portion including a reflection portion and a refraction portion, the reflection portion having a reflection surface that reflects the light that has entered from the incident surface in a direction away from the emitting surface, the refraction portion reflecting the reflected light that has been reflected by the reflection surface toward the incident surface and then refracting the light toward the emitting surface. | 2014-05-15 |
20140133184 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - A light guide plate for the edge-lit backlight module comprises a first recessed portion and a second recessed portion. The first recessed portion is provided at the bottom of a light incident end of the light guide plate for accommodating a light source. The second recessed portion is provided at the top of the light incident end of the light guide plate, corresponding to the first recessed portion. | 2014-05-15 |
20140133185 | POWER QUALITY CONTROL - An integrated power quality control system includes a transformer with a primary winding, a secondary winding and a compensation winding wound on a magnetic core. A power electronic converter in the system provides a reference voltage to the compensation winding for injecting a series voltage in the secondary winding of the transformer. A controller is utilized to generate the reference voltage for the power electronic converter based on a power quality control requirement. | 2014-05-15 |
20140133186 | SWITCH MODE POWER CONVERTERS USING MAGNETICALLY COUPLED GALVANICALLY ISOLATED LEAD FRAME COMMUNICATION - An integrated circuit package for use in a switch mode power converter comprises an encapsulation and a lead frame. A portion of the lead frame is disposed within the encapsulation. The lead frame includes a first conductor having a first conductive loop disposed substantially within the encapsulation. The lead frame also includes a second conductor galvanically isolated from the first conductor. The second conductor includes a second conductive loop disposed substantially within the encapsulation proximate to and magnetically coupled to the first conductive loop to provide a communication link between the first and second conductors. A first control die including a first control circuit is coupled to the first conductor. A second control die including a second control circuit is coupled to the second conductor. One or more control signals are communicated between the first and second control dice through the communication link. | 2014-05-15 |
20140133187 | ELECTRIC POWER CONVERSION SYSTEM AND FAILURE DETECTION METHOD FOR ELECTRIC POWER CONVERSION SYSTEM - An electric power conversion system includes: a primary conversion circuit; a secondary conversion circuit magnetically coupled to the primary conversion circuit via a transformer; and a failure detection unit configured to detect a failure of any one of switching elements by causing each of the switching elements to switch between an on state and an off state. The switching elements constitute a full-bridge circuit of a conversion circuit to which input voltage is supplied from a corresponding one of center taps of the transformer. The full-bridge circuit is one of a primary full-bridge circuit of the primary conversion circuit and a secondary full-bridge circuit of the secondary conversion circuit. | 2014-05-15 |
20140133188 | SNUBBER CIRCUIT - A snubber circuit of a switching power supply device includes a transistor and a capacitor which are connected in series between a cathode and an anode of a diode, and a secondary winding of a transformer. A vibration voltage is generated in the secondary winding when a surge voltage is generated in the diode. The snubber circuit further includes a differentiating circuit which differentiates a voltage between terminals of the secondary winding, and a peak charging circuit which generates a control voltage of a waveform connecting a plurality of peaks of an output voltage of the differentiating circuit and applies the control voltage to a gate of the transistor to cause the transistor conduct. | 2014-05-15 |
20140133189 | RESONANT-MODE POWER SUPPLY WITH A MULTI-WINDING INDUCTOR - A resonant-mode power supply, comprising an assembly of switches connected in a bridge or a half-bridge configuration, a series resonant circuit connected in the bridge or half bridge diagonal, a part of which is formed by a multi-winding inductor by means of which a load is connected, and a controller configured to stabilize output voltages or currents by controlling the switching frequency of the assembly of switches. The series resonant circuit comprises an energy recirculation circuit (ERC1) for limiting the resonant circuit quality factor, connected through the diode rectifier (DR2) to the supply voltage node and a current monitoring circuit (CMC) configured to monitor the recirculation circuit current (Ilim) and, by means of the controller (C), to change the switching frequency of the assembly of switches (K1, K2, K3, K4) in order to reduce power supplied to the resonant circuit upon exceeding the threshold value by the current (Ilim) in the energy recirculation circuit (ERC1). | 2014-05-15 |
20140133190 | ISOLATED SWITCH-MODE DC/DC CONVERTER WITH SINE WAVE TRANSFORMER VOLTAGES - A converter includes a transformer including a primary winding and a secondary winding, a primary-side circuit connected to first and second input terminals and to the primary winding and including a switching circuit connected to the primary winding and a parallel resonant tank circuit including the primary winding and a resonant capacitor connected in parallel with the primary winding, a secondary-side circuit connected to the secondary winding and to first and second output terminals and including a rectifier circuit connected to the secondary winding, and an inductor including a primary inductor winding connected to the first input terminal and the primary winding and a secondary inductor winding connected to the secondary winding and the first output terminal. | 2014-05-15 |
20140133191 | POWER CONVERTER AND CONTROL METHOD THEREOF - A power converter is provided. A transformer includes a primary winding for providing a primary voltage according to an input voltage, a secondary winding for providing a secondary voltage according to the primary voltage and an auxiliary winding for providing a reflection voltage according to the secondary voltage. A first switch coupled between the primary winding of the transformer and a ground has a control terminal for receiving a first control signal. A second switch coupled to the secondary winding has a control terminal for receiving a second control signal. A controller provides the first control signal to switch the first switch, so as to control the transformer to provide the secondary voltage. The controller provides the second control signal to switch the second switch according to the first control signal and the reflection voltage, so as to provide an output voltage in response to the secondary voltage. | 2014-05-15 |
20140133192 | FLYBACK POWER CONVERTER AND ELECTRONIC APPARATUS - A flyback power converter is disclosed. The flyback power converter includes a voltage transformer, a main switch, a synchronous rectification switch, a synchronous rectification control circuit, a sampling circuit and an operation circuit. A control end of the main switch receives a main switch signal so as to control the main switch. The synchronous rectification control circuit transmits control signal to control end of the synchronous rectification switch according to sensing signal received. The sampling circuit samples the state of the synchronous rectification switch so as to generate first logic signal and second logic signal. The operation circuit executes timing for charging/discharging according to the first and the second logic-signal, so as to output switch cut-off pulse signal to a voltage-dividing circuit. If voltage of the sensing signal is lower than predetermined threshold voltage, the synchronous rectification switch enters into cut-off state according to the control signal. | 2014-05-15 |
20140133193 | METHODS FOR FLYBACK CONVERTER - Methods for flyback converters are provided. The method, adopted by a flyback converter circuit including a transformer, including: determining an output voltage output from a secondary circuit of the transformer; feeding a feedback voltage based on the output voltage from the secondary circuit back to a primary circuit of the transformer; increasing a current limit and a switching frequency of a primary current with the feedback voltage; and supplying the primary current to a primary winding of the transformer. | 2014-05-15 |
20140133194 | APPARATUS AND METHOD FOR DETECTING A CHANGE IN OUTPUT VOLTAGE OF AN ISOLATED POWER CONVERTER - A power converter controller includes a drive circuit coupled to control switching of a power switch to control a transfer of energy from an input of the power converter to an output of the power converter. A voltage sensor is coupled to the drive circuit to receive a feedback signal. The voltage sensor includes pulse sampler circuitry coupled to sample a first voltage representative of one of the peaks other than a first peak of ringing of the feedback signal in a first enabled switching cycle, sample a second voltage representative of the same peak of ringing of the feedback signal in a subsequent enabled switching cycle, and compare the sample of the first voltage with the sample of the second voltage and output a change signal based on the comparison. The drive circuit is further coupled to control switching of the power switch in response to the change signal. | 2014-05-15 |
20140133195 | CONTROL METHOD AND DEVICE FOR SWITCHING POWER SUPPLIES HAVING MORE THAN ONE CONTROL MODE - A control device for controlling a switching power supply adapted to convert an input voltage into an output voltage according to a switching rate of a switching element. The control device includes first control means for switching the switching element in a first working mode at a constant frequency and second control means for switching the switching element in a second working mode at a variable frequency, under a maximum frequency, in response to the detection of a predefined operative condition of the switching power supply. The control device further includes means for selecting the first working mode or the second working mode. | 2014-05-15 |
20140133196 | CONVERTER - A power electronic converter, for use in high voltage direct current power transmission and reactive power compensation, comprises at least one converter limb including first and second terminals being connectable to a DC network and a third terminal, the or each converter limb defining first and second limb portions connected in series between the third terminal and a respective one of the first and second terminals, each limb portion including a chain-link converter, each chain-link converter including a plurality of modules connected in series, each module including at least one primary switching element connected to at least one energy storage device, each converter limb being controllable to selectively define a circulation path carrying an AC circulation current for presentation to the DC network to minimise DC ripple in a DC voltage presented to the DC network. | 2014-05-15 |
20140133197 | Communication Within A Power Inverter Using Transformer Voltage Frequency - A power inverter may include a transformer serving as an isolation barrier. The power inverter may include a first controller on one side of the isolation barrier. The first controller may encode the frequency of an input voltage of the transformer with one or more operating conditions of a direct current power supply electrically coupled to the inverter. As second controller on the other side of the isolation barrier may determine a frequency associated with an output voltage of the transformer. The second controller may decode the frequency associated with the output voltage of the transformer to determine the encoded operating conditions. | 2014-05-15 |
20140133198 | REACTIVE POWER COMPENSATOR - A reactive power compensator according to an embodiment comprises: multilevel inverter circuits respectively constituting each of the three phases; a filter circuit for reducing harmonics connected between the output terminals of each of the multilevel inverter circuits and a power system interconnection terminal; and a control section for causing prescribed three-phase AC voltage to be output by controlling each of said multilevel inverter circuits. Each of the multilevel inverter circuits is constituted by connecting in series one or more single-phase full-bridge single-pulse inverters and is arranged to convert DC voltage to respective positive and negative single-pulse voltages once per cycle of the fundamental wave of the voltage instruction value. | 2014-05-15 |
20140133199 | Capacitor Module And Power Conversion Device - A power conversion device for a vehicle includes: a power module that includes a switching device and, upon operation of the switching device, converts DC power into AC power to be supplied to an electric machine for driving a vehicle; a capacitor module that includes a smoothing capacitor element, an input-side power source terminal for receiving DC power, and an output-side power source terminal for supplying DC power to the power module; and a noise removal capacitor for removing noise, wherein: the noise removal capacitor is built in the capacitor module, and the noise removal capacitor is electrically connected to the input-side power source terminal in a position where a distance between a connection position of the noise removal capacitor and the input-side power source terminal is less than a distance between a connection position of the noise removal capacitor and the output-side power source terminal of the capacitor module. | 2014-05-15 |
20140133200 | CLAMP SNUBBER CIRCUIT AND RESISTANCE ADJUSTMENT METHOD FOR THE SAME - A clamp snubber circuit for reducing a value of a peak voltage on a power switch of a power converter includes: a clamp switch; a clamp capacitor having a first terminal electrically coupled to the power switch via the clamp switch, and a second terminal electrically coupled to a ground; and at least one resistance adjustment circuit, each of which includes: a switch element having a first terminal electrically coupled to the first terminal of the clamp capacitor, a second terminal electrically coupled to the ground, and a control terminal; and a control circuit configured to receive a detection parameter of the power converter and compare the detection parameter with a preset parameter and output a control signal to the control terminal of the switch element to adjust a resistance value of the resistance adjustment circuit. Peak voltages applied on power switches may be clamped and absorbed more effectively. | 2014-05-15 |
20140133201 | UPS SYSTEMS AND METHODS USING UPS MODULES WITH DIFFERENTIAL MODE INDUCTOR COUPLING - An uninterruptible power supply (UPS) system includes at least two UPS modules having respective switchmode power converter circuits coupled in common to a current source/sink by respective conductors. The system further includes at least one differential mode inductor magnetically coupling the at least two conductors. For example, the switchmode power converter circuits may include respective DC/DC converter circuits coupled in common to a terminal of a DC power source, such as a battery, by the conductors. The differential mode inductors may be implemented using, for example, ferrite rings. | 2014-05-15 |
20140133202 | BUCK-BOOST AC/DC CONVERTER - A buck-boost AC/DC converter includes a first switching element group that performs full-wave rectification of an AC signal thereby generating a full-wave rectified signal and performs a buck operation, a second switching element group for performing a boost operation, a reactor, and a control unit that causes the first switching element group or the second switching element group to selectively perform the buck operation or the boost operation based on PWM operation, to maintain a DC voltage at a constant value. The switching elements included in the first and second switching element groups possess FET characteristics, inverse FET characteristics and inverse conductive characteristics. The control unit is further configured to switch a gate-source voltage to be supplied to the switching elements included in the first switching element group according to a polarity of the AC signal, thereby causing the first switching element group to perform full-wave rectification. | 2014-05-15 |
20140133203 | Universal Power Conversion Methods - Methods and systems for transforming electric power between two or more portals. Any or all portals can be DC, single phase AC, or multi-phase AC. Conversion is accomplished by a plurality of bi-directional conducting and blocking semiconductor switches which alternately connect an inductor and parallel capacitor between said portals, such that energy is transferred into the inductor from one or more input portals and/or phases, then the energy is transferred out of the inductor to one or more output portals and/or phases, with said parallel capacitor facilitating “soft” turn-off, and with any excess inductor energy being returned back to the input. Soft turn-on and reverse recovery is also facilitated. Said bi-directional switches allow for two power transfers per inductor/capacitor cycle, thereby maximizing inductor/capacitor utilization as well as providing for optimum converter operation with high input/output voltage ratios. Control means coordinate the switches to accomplish the desired power transfers. | 2014-05-15 |
20140133204 | REACTOR, CONVERTER, AND POWER CONVERTER APPARATUS | 2014-05-15 |
20140133205 | SINE PULSE WIDTH MODULATION CONTROLLER - A sine pulse width modulation controller includes an edge detection unit for receiving a feedback input signal from the external electrical device to generate an edge signal, a register unit for storing and outputting a parameter signal, an angle increasing unit for receiving the edge signal and the parameter signal, determining cycles of pulse width modulation and generating an angle signal, a sine calculation unit for receiving the angle signal and performing a recursive algorithm based on the angle signal to implement the recursive algorithm so as to generate a sine calculation value, a multiplication unit for receiving the sine calculation value which is then further multiplied by the amplitude signal from the register unit to generate a pulse width signal, and a sine output unit receiving the pulse width signal to generate driving signals for driving the external electrical device to generate a sine terminal voltage. | 2014-05-15 |
20140133206 | FULL-BRIDGE POWER CONVERTER - A full-bridge power converter is provided wherein a full-bridge circuit is operated so as to minimize ripple current. A switch control unit | 2014-05-15 |
20140133207 | CURRENT CONVERTOR - The current convertor comprises a current converting device and a combinative plug. The current converting device comprises a casing and a current converting module arranged in the casing. The casing has at least one track extended from an outer surface of the casing along a sliding direction. The combinative plug comprises an insulating body and a conductive pin set disposed on the insulating body. The insulating body has a quick releasing portion conformed in shape to the track. The quick releasing portion is detachably sliding on the track of the casing along the sliding direction for maintaining the relative position between the current converting device and the combinative plug and for establishing electrical connection between the conductive pin set and the current converting module. | 2014-05-15 |
20140133208 | MEMORY ARCHITECTURES HAVING WIRING STRUCTURES THAT ENABLE DIFFERENT ACCESS PATTERNS IN MULTIPLE DIMENSIONS - Multi-dimensional memory architectures are provided having access wiring structures that enable different access patterns in multiple dimensions. Furthermore, three-dimensional multiprocessor systems are provided having multi-dimensional cache memory architectures with access wiring structures that enable different access patterns in multiple dimensions. | 2014-05-15 |
20140133209 | MEMORY ARCHITECTURES HAVING WIRING STRUCTURES THAT ENABLE DIFFERENT ACCESS PATTERNS IN MULTIPLE DIMENSIONS - Multi-dimensional memory architectures are provided having access wiring structures that enable different access patterns in multiple dimensions. Furthermore, three-dimensional multiprocessor systems are provided having multi-dimensional cache memory architectures with access wiring structures that enable different access patterns in multiple dimensions. | 2014-05-15 |
20140133210 | VARIABLE RESISTIVE ELEMENT, STORAGE DEVICE AND DRIVING METHOD THEREOF - An element according to an embodiment can transit between at least two states including a low-resistance state and a high-resistance state. The element comprises a first electrode, a second electrode, a first layer and a second layer. The first electrode includes metal elements. The first layer is located between the first electrode and the second electrode while contacting with the first electrode. The second layer is located between the first layer and the second electrode. At the low-resistance state, a density of the metal elements in the first layer is higher than that of the metal elements in the second layer. The density of the metal elements in the first layer at the low-resistance state is higher than that of the metal elements in the first layer at the high-resistance state. A relative permittivity of the second layer is higher than a relative permittivity of the first layer. | 2014-05-15 |
20140133211 | RESISTIVE RANDOM ACCESS MEMORY EQUALIZATION AND SENSING - Providing for a two-terminal memory architecture that can mitigate sneak path current in conjunction with memory operations is described herein. By way of example, a voltage mimicking mechanism can be employed to dynamically drive un-selected bitlines of the memory architecture at a voltage observed by a selected bitline. According to these aspects, changes observed by the selected bitline can be applied to the un-selected bitlines as well. This can help reduce or avoid voltage differences between the selected bitline and the un-selected bitlines, thereby reducing or avoiding sneak path currents between respective bitlines of the memory architecture. Additionally, an input/output based configuration is provided to facilitate reduced sneak path current according to additional aspects of the subject disclosure. | 2014-05-15 |
20140133212 | Non-Volatile Counter Utilizing a Ferroelectric Capacitor - A counter that can include a plurality of count stages is disclosed. Each count stage includes a ferroelectric capacitor characterized by first and second polarization states, a variable impedance element, reset and count ports and a detector. The variable impedance element has an impedance between first and second switch terminals that is determined by a signal on a control terminal, the ferroelectric capacitor being connected between the control terminal and the first switch terminal. A reset signal coupled to the control terminal causes the ferroelectric capacitor to be polarized in the first polarization state. The count port is configured to receive pulses to be counted, the count port being connected to the first switch terminal by a conductive load. The detector generates a count complete signal if a potential on the first terminal exceeds a threshold value while the count port is receiving one of the pulses. | 2014-05-15 |
20140133213 | RESISTIVE RANDOM ACCESS MEMORY DEVICE AND OPERATING METHOD THEREOF - A resistive random access memory (RRAM) device and operating method are disclosed herein. The RRAM device includes at least one RRAM cell and a control circuit. The RRAM cell includes a bottom electrode, an amorphous Indium-Gallium-Zinc-Oxide (a-IGZO) layer, a Ti layer and a top electrode. The a-IGZO layer is disposed on the bottom layer. The Ti layer is disposed on the a-IGZO layer. The top electrode is disposed on the Ti layer. The control circuit is configured to provide at least one electrical signal to the RRAM cell, so as to change the resistance value of the RRAM cell. | 2014-05-15 |
20140133214 | RESISTIVE MEMORY DEVICE AND METHOD FOR DRIVING THE SAME - A resistive memory device includes a plurality of memory cells, each of which is configured to store a normal data, a first reference data corresponding to a first resistance state and a second reference data corresponding to a second resistance state, a data copy unit configured to temporarily store the normal data read from a selected memory cell and generate a copied cell current based on the stored normal data, a mirroring block configured to temporarily store the first and second reference data read from the selected memory cell, and to generate a first reference current and a second reference current based on the stored first and second reference data, respectively, and a sensing unit configured to sense the stored normal data based on the copied cell current and the first reference current and the second reference current. | 2014-05-15 |
20140133215 | RESISTOR THIN FILM MTP MEMORY - An integrated circuit is formed having an array of memory cells located in the dielectric stack above a semiconductor substrate. Each memory cell has two adjustable resistors and two heating elements. A dielectric material separates the heating elements from the adjustable resistors. One heating element alters the resistance of one of the resistors by applying heat thereto to write data to the memory cell. The other heating element alters the resistance of the other resistor by applying heat thereto to erase data from the memory cell. | 2014-05-15 |
20140133216 | SYSTEM AND METHOD FOR MRAM HAVING CONTROLLED AVERAGABLE AND ISOLATABLE VOLTAGE REFERENCE - A memory has a plurality of non-volatile resistive (NVR) memory arrays, each with an associated reference voltage generating circuit coupled by a reference circuit coupling link to a reference line, the reference coupled to a sense amplifier for that NVR memory array. Reference line coupling links couple the reference lines of different NVR memory arrays. Optionally, different ones of the reference coupling links are removed or opened, obtaining respective different average and isolated reference voltages on the different reference lines. Optionally, different ones of the reference circuit coupling links are removed or opened, obtaining respective different averaged voltages on the reference lines, and uncoupling and isolating different reference circuits. | 2014-05-15 |
20140133217 | CONCURRENT USE OF SRAM CELLS WITH BOTH NMOS AND PMOS PASS GATES IN A MEMORY SYSTEM - A memory system includes first memory cells and second memory cells. Each of the first memory cells includes first and second pass gates including NMOS transistors. Each of the second memory cells include first and second pass gates including PMOS transistors. The first memory cells are pre-charged by one polarity of a voltage supply. The second memory cells are pre-charged by an opposite polarity of the voltage supply. | 2014-05-15 |
20140133218 | Memory Cell - A memory cell and array and a method of forming a memory cell and array are described. A memory cell includes first and second pull-up transistors, first and second pull-down transistors, first and second pass-gate transistors, and first and second isolation transistors. Drains of the first pull-up and first pull-down transistors are electrically coupled together at a first node. Drains of the second pull-up and second pull-down transistors are electrically coupled together at a second node. Gates of the second pull-up and second pull-down transistors are electrically coupled to the first node, and gates of the first pull-up and first pull-down transistors are electrically coupled to the second node. The first and second pass-gate transistors are electrically coupled to the first and second nodes, respectively. The first and second isolation transistors are electrically coupled to the first and second nodes, respectively. | 2014-05-15 |
20140133219 | Power Line Lowering for Write Assisted Control Scheme - Some embodiments of the present disclosure relate to a memory array having a cell voltage generator configured to provide a cell voltage header to a plurality of memory cells. The cell voltage generator is connected to the memory cells by way of supply voltage line and controls a supply voltage of the memory cells. The cell voltage generator has a pull-down element coupled between a control node of the supply voltage line and a ground terminal, and a one or more pull-up elements connected in parallel between the control node and a cell voltage source. A control unit is configured to provide one or more variable valued pull-up enable signals to input nodes of the pull-up elements. The variable valued pull-up enable signals operate the pull-up elements to selectively connect the supply voltage line from the cell voltage source to provide a cell voltage header with a high slew rate. | 2014-05-15 |
20140133220 | METHODS AND DEVICES FOR AVOIDING LOWER PAGE CORRUPTION IN DATA STORAGE DEVICES - A data storage device may comprise a plurality of Multi-Level Cell (MLC) non-volatile memory devices comprising a plurality of lower pages and a corresponding plurality of higher-order pages. A controller may be configured to write data to and read data from the plurality of lower pages and the corresponding plurality of higher-order pages. A buffer may be coupled to the controller, which may be configured to accumulate data to be written to the MLC non-volatile memory devices, allocate space in the buffer and write the accumulated data to the allocated space. At least a portion of the accumulated data may be written in a lower page of the MLC non-volatile memory devices and the space in the buffer that stores data written to the lower page may be de-allocated when all higher-order pages corresponding to the lower page have been written in the MLC non-volatile memory devices. | 2014-05-15 |
20140133221 | Magnectic Structure - A method of shifting information between magnetic layers in a thin film structure. The method can comprising applying a magnetic field to the thin film structure, the field having a magnitude sufficient to switch the magnetisation direction of a predetermined one of a pair of layers within the thin film structure when that pair of layers holds a frustration between two regions of different magnetisation direction order parameter within the thin film structure. | 2014-05-15 |
20140133222 | PHASE CHANGE MEMORY DEVICES AND METHODS COMPRISING GALLIUM, LANTHANIDE AND CHALCOGENIDE COMPOUNDS - A new class of phase change materials has been discovered based on compounds of: Ga; lanthanide; and chalcogenide. This includes compounds of Ga, La, and S (GLS) as well as related compounds in which there is substitution of S with O, Se and/or Te. Moreover, La can be substituted with other lanthanide series elements. It has been demonstrated that this class of materials exhibit low energy switching. For example, the GLS material can provide an optical recording medium with erasability 3-5 dB greater than the erasability of GeSbTe (GST) material which is the standard material for phase change memories. | 2014-05-15 |
20140133223 | MEMORY SEMICONDUCTOR DEVICE AND METHOD OF OPERATING THE SAME - In a read step or a program (write) verification step of a semiconductor memory device, read voltages different from one another are applied to a pair of word lines respectively disposed on both sides of a selected word line to suppress the enlargement of program distribution. | 2014-05-15 |
20140133224 | ARCHITECTURE AND METHOD FOR MEMORY PROGRAMMING - Methods of programming a memory, memory devices, and systems are disclosed, for example. In one such method, each data line of a memory to be programmed is biased differently depending upon whether one or more of the data lines adjacent the data line are inhibited. In one such system, a connection circuit provides data corresponding to the inhibit status of a target data line to page buffers associated with data lines adjacent to the target data line. | 2014-05-15 |
20140133225 | DATA COMPENSATING METHOD FOR FLASH MEMORY - A data compensating method for a flash memory is provided. Firstly, a first threshold voltage distribution curve of the cells of the flash memory with a first storing state is acquired. Then, a second threshold voltage distribution curve of the cells of the flash memory with a second storing state is acquired. Then, a first occurrence probability of a first type ICI pattern of the first storing state is calculated according to a statistic voltage range and the first threshold voltage distribution curve. A second occurrence probability of the first type ICI pattern of the second storing state is acquired according to the statistic voltage range and the second threshold voltage distribution curve. During a read cycle, storing states of central cells corresponding to the first type ICI pattern are compensated according to the first occurrence probability and the second occurrence probability. | 2014-05-15 |
20140133226 | ERASING PHYSICAL MEMORY BLOCKS OF NON-VOLATILE MEMORY - Apparatus and methods are disclosed, such as those that provide dynamic block allocations in NAND flash memory between single-level cells (SLC) and multi-level cells (MLC) based on characteristics. In one embodiment, a memory controller dynamically switches between programming and/or reprogramming blocks between SLC mode and MLC mode based on the amount of memory available for use. When memory usage is low, SLC mode is used. When memory usage is high, MLC mode is used. Dynamic block allocation allows a memory controller to obtain the performance and reliability benefits of SLC mode while retaining the space saving benefits of MLC mode. | 2014-05-15 |