04th week of 2015 patent applcation highlights part 28 |
Patent application number | Title | Published |
20150022984 | EMBEDDED PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - An embedded printed circuit board and a method of manufacturing the same. The embedded printed circuit board includes: an insulating layer on which a cavity is formed; a chip mounted on the cavity; and a circuit layer formed on the insulating layer, wherein the insulating layer is made of photosensitive compositions including photosensitive monomer and photoinitiator. As a result, the cavity can be formed by selectively using only the insulating layer, thereby making it possible to secure a degree of freedom in the design of the embedded printed circuit board. | 2015-01-22 |
20150022985 | DEVICE-EMBEDDED PACKAGE SUBSTRATE AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME - A package substrate includes a core layer having a core top surface and a core bottom surface, and a build-up layer having a stacked structure in which a plurality of interconnection layers and a plurality of insulating layers are alternately stacked on the core top surface. The core bottom surface includes a board connecting area. A surface of the build-up layer includes a chip mounting area. The core layer includes at least one cavity defined by recess sidewalls extending upward from the core bottom surface and a recessed surface located at a higher level than or the same level as the core top surface, at least one device mounted in the at least one cavity, and through-electrodes electrically connecting the core top surface and the core bottom surface. | 2015-01-22 |
20150022986 | Circuit Assembly and Corresponding Methods - A circuit assembly ( | 2015-01-22 |
20150022987 | ELECTRONIC DEVICE COMPRISING AN INTEGRATED CIRCUIT CHIP PROVIDED WITH PROJECTING ELECTRICAL CONNECTION PADS - An electronic device includes an integrated circuit chip with an insulating passivation layer. An opening in the passivation layer uncovers a first region of an electrical contact. An electrical connection pad is formed to fill the opening by covering the first region and extend in projection in such a way as to cover a second region situated on the passivation layer surrounding the opening. The periphery of at least one of the first and second regions has an elongate or oblong shape. Centers of the opening and the pad are aligned with each other. | 2015-01-22 |
20150022988 | LID BODY PORTION AND ELECTRONIC DEVICE PACKAGE USING THE LID BODY PORTION AND ELECTRONIC DEVICE - To provide a lid body portion with an improved mounting ratio of an electronic device component, an electronic device package and an electronic device including the same. There is provided a lid body portion including a concave portion in which a space portion is formed by a bottom portion and a side plate portion and a flange portion extending from an outer edge portion in an opening portion of the concave portion to the outside, in which a side-plate inner surface as a surface facing the space portion of the concave portion in the side plate portion inclines to the outside of the space portion. | 2015-01-22 |
20150022989 | UTILIZING CHIP-ON-GLASS TECHNOLOGY TO JUMPER ROUTING TRACES - A chip-on-glass device comprises a chip-on-glass substrate, a metal layer, and a plurality of chip-on-glass connection bumps. The metal layer comprises a plurality of passive jumper routing traces. The plurality of chip-on-glass connection humps is coupled with passive jumper routing traces of the plurality of passive jumper routing traces. | 2015-01-22 |
20150022990 | VERTICAL BLINDMATE SCALING OF IDENTICAL SYSTEM BOARDS - Two system boards may be connected by a blind plug connector assembly. The top system board supports a first connector and has a hole adjacent the first connector that secures a guide bracket. The blind plug connector assembly is selectively received in the guide bracket to position a proximal connector on the assembly for connecting to the first connector on the top system board and position a distal connector on the assembly for connecting to a second connector on the lower system board. A flexible wired connection extends within the assembly between the proximal connector and the distal connector, and may form a scalability cable. The interaction between the assembly and the guide bracket provide alignment of the connectors. | 2015-01-22 |
20150022991 | CAPACITOR WITH MULTIPLE ELEMENTS FOR MULTIPLE REPLACEMENT APPLICATIONS - An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals. The apparatus also includes a first conductor capable of electrically connecting the first capacitor terminal of a capacitor provided by one of the plurality of capacitive elements to one of the at least three capacitor cover terminals and a second conductor capable of electrically connecting the second capacitor terminal of the capacitor provided by one of the plurality of capacitive elements to the common cover terminal. | 2015-01-22 |
20150022992 | STAND FOR STROBE AND ILLUMINATION DEVICE EQUIPPED WITH SAME - Strobe stand on which strobe device is mounted is provided. Strobe device includes strobe body and light-emitting housing coupled to strobe body. The strobe stand includes the following elements: base plate having leg; attachment section provided on one surface of base plate for receiving strobe device; and suction pad provided on leg on the other surface of base plate. With this configuration, the bounce angle of light-emitting housing of strobe device can be positioned accurately. | 2015-01-22 |
20150022993 | PHOTOGRAPHIC APPARATUS AND METHOD - A photographic flash attachment apparatus. The apparatus includes a sleeve configured to be fixed to a photographic flash, a ring configured to engage with the sleeve, and one or more attachment mechanisms coupled with the ring adapted to receive one or more photographic attachment elements. Upon attachment of one or more photographic attachment elements to the ring via the one or more attachment mechanisms, rotation of the ring provides rotation of the one or more photographic attachment elements relative to the photographic flash. | 2015-01-22 |
20150022994 | SELECTIVELY VISIBLE BATTERY CHARGE STATUS INDICATOR FOR EXTERIOR TRIM COMPONENTS - A vehicular exterior trim component for a vehicle of the type including at least one battery, the exterior trim component comprising an at least partially light-transmissive substrate having opposite first and second surfaces, and an illumination source adjacent the second surface of the substrate, the illumination source actuatable between an illuminated state and a non-illuminated state. A variably light-transmissive layer on one of the first or second surfaces of the substrate includes a non-light-transmissive opaque portion and a light-transmissive portion, the light-transmissive portion defining visually perceptible indicia when backlit by the illumination source in its illuminated state. When the illumination source is in its non-illuminated state, the indicia are visually imperceptible to the naked eye. The exterior trim component is operative to receive information respecting at least a charge status of the at least one battery. When the illumination source is in its illuminated state, the visually perceptible indicia display at least a charge status of the at least one battery. | 2015-01-22 |
20150022995 | KEYBOARD BACKLIGHTING WITH DEPOSITED LIGHT-GENERATING SOURCES - Techniques and devices provide backlighting for keys of a keyboard or keypad. | 2015-01-22 |
20150022996 | AIR CONDITIONER - An air conditioner is provided. The air conditioner may include an input device that receives an input for setting an operation requirement, a fan that blows air according to the set operation requirement, an illumination system that illuminates a closed curve region, a case having the fan provided therein and at least one air outlet formed therein for discharging air outward from the closed curve, and a lighting controller that controls the illumination system to generate an indicator of a flow direction of air being discharged through the at least one air outlet. | 2015-01-22 |
20150022997 | LIGHTING APPARATUS, HEADLAMP, AND MOBILE BODY - A lighting apparatus is provided that, while suppressing an increase in size, can change the illuminating direction. The lighting apparatus has: a laser generator which emits laser light; a light emitting member which is irradiated with the laser light emitted from the laser generator to emit light; an irradiated position changer which moves and thereafter stops an irradiated position at which the light emitting member is irradiated with the laser light; and a light projecting member which projects the light emitted from the light emitting member. | 2015-01-22 |
20150022998 | White Light Illumination System with Narrow Band Green Phosphor and Multiple-Wavelength Excitation - A white light illumination system may comprise: a phosphor package; a first radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 250 nm to about 410 nm; and a second radiation source for providing co-excitation radiation to the phosphor package, the source emitting in wavelengths ranging from about 410 nm to about 540 nm; wherein the phosphor package is configured to emit photoluminescence in wavelengths ranging from about 440 nm to about 700 nm upon co-excitation from the first and second radiation sources, and wherein the phosphor package comprises at least one narrow band green phosphor with a photoluminescence peak with a full width at half maximum of less than 60 nm, and wherein the narrow band green phosphor is configured to emit photoluminescence in wavelengths ranging from about 500 nm to about 550 nm. | 2015-01-22 |
20150022999 | LIGHTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A lighting device in which a heat sink and a cover are formed by co-extrusion and a manufacturing method for the same are provided. The heat sink and the cover may be co-extruded. A shape control portion may be formed at the heat sink to control a shape of a seating portion to seat a circuit substrate during extrusion of the heat sink. In addition, a light characteristic control portion may be provided between a light emitting diode (LED) and the cover to control characteristic of light generated from the LED. | 2015-01-22 |
20150023000 | LIGHTED REFRIGERATOR SHELF WITH OVERMOLD - A shelf for supporting items including but not limited to in refrigerated appliances includes in an integrated fashion a supporting surface and around the perimeter of the supporting surface of similar dimensions. A lighting subassembly is mountable to or integrated in the framing. Electrical power can be through touchless or contact electrical communication. In one form the supporting surface is a single substantially clear plate. In another form the supporting surface is a thin glass top layer and a bottom layer overmolded with the framing to the thin glass top layer. | 2015-01-22 |
20150023001 | BACKLIGHT ASSEMBLY AND A DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a first light source part including a plurality of light sources and extending in a first direction, a second light source part including a plurality of light sources, wherein the second light source part is spaced apart from and in parallel with the first light source part, and a driving part disposed between the first light source part and the second light source part. The driving part is connected to the first and second light source parts, and is configured to drive the light sources of the first and second light source parts. | 2015-01-22 |
20150023002 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module and a liquid crystal display are provided. The backlight module includes an optical film, a reflection member and a light-emitting unit. A reflection surface of the reflection member includes multiple side edges. The light-emitting unit is disposed on one intersection position formed by the side edges of the reflection surface, and a light-emitting direction of the light-emitting unit faces the reflection surface. The reflection surface has a default track, whereby the lights emitted from the light-emitting unit can be projected to the reflection surface, and then uniformly entering into the optical film after being reflected by the reflection surface. | 2015-01-22 |
20150023003 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module and a liquid crystal display are provided. The backlight module includes a first light-emitting unit and at least one second light-emitting unit. The first light-emitting unit is located outside of a light guide region between an optical film and a reflection plate, and the at least one second light-emitting unit is located within the light guide region. The at least one second light-emitting unit includes a curved reflection sheet. The curved reflection sheet faces the first light-emitting unit, and is used to reflect the lights being projected to the at least one second light-emitting unit unto the optical film. | 2015-01-22 |
20150023004 | Backlight Module And Display Device - Embodiments of the present invention provide a backlight module comprising a light source and a diffusion plate disposed immediately opposite a light exiting surface of the light source. | 2015-01-22 |
20150023005 | ILLUMINATION ASSEMBLY FOR GARMENT - An illumination assembly structured to be supported on an individual, including a garment worn by the individual, having a base connectable to the garment and an adjustment assembly connected to the base. An illumination source is connected to the adjustment assembly and moveable therewith relative to the base. The adjustment assembly is disposed in movable interconnecting relation between the illumination source and the base and is cooperatively structured therewith to facilitate adjustable, multi-directional movement and multi-positional placement of the illumination source on the base. The base may be removably connected to a mounting structure connected to the garment, wherein the mounting structure is dimensioned and configured to be unobtrusive when not connected to the base and disposed in underlying relation to an over garment. | 2015-01-22 |
20150023006 | DISPLAY LIGHTING - A lighting system ( | 2015-01-22 |
20150023007 | DOOR OF AUTOMATIC VENDING MECHANISM - A door includes a decorating panel and a separating panel. The decorating panel includes a showing area. A first illuminator is located on a first side of the showing area, and a second illuminator is located on a second opposite side of the showing area. The separating panel includes a main body and a reflecting portion located on the main body. The first reflecting portion comprises a first reflecting surface and a second reflecting surface. The first reflecting surface reflects a plurality of light beams emitted from the first illuminator, for allowing the plurality of light beams to evenly transmit to an upper half of the showing area. The second reflecting surface reflects a plurality of light beams emitted from the second illuminator, for allowing the plurality of light beams to evenly transmit to a lower half of the showing area. | 2015-01-22 |
20150023008 | Adjustable Safety Light Attachment for Various Sized Handles - An adjustable safety light attachment with an opening that can be adjusted in size and shape to fit various sizes and patterns of handles for any tool. The adjustable safety light attachment has a hollow housing with a front portion that is held together to a back portion using a hinge, so that the front portion can swivel with respect to the back portion. The front portion and back portion are also held together and locked in a closed position using at least one strap. Adjustable inserts are inserted inside the housing and can be changed to control the opening of the hollow housing. A circuit board containing control circuitry is powered using a power source, with both being disposed on the hollow housing. The control circuitry is used to control a plurality of lights disposed in various places on the hollow housing. | 2015-01-22 |
20150023009 | Multipurpose sign bases for supporting temporary roadway safety signs and like - A multipurpose sign base suitable for supporting temporary signs includes an upstanding mast supportable atop a support surface by a substantially horizontally extending, elongate, support member connected to a lower region of the mast, and by a plurality of elongate leg members of adjustable length each having an upper portion movably connected to a central region of the mast, and each having a lower portion movably connected to a different foot adapted to engage a different area of the support surface at locations arrayed about the mast. An upper region of the mast is connectable to a sign to support and display the sign. The legs and feet have retracted positions near the mast. A rearwardly extending formation of the horizontal support member can be coupled to a vehicle hitch so the sign base also can be supported on a vehicle for transport while displaying a sign. | 2015-01-22 |
20150023010 | LED Lighting Panel - The invention relates to LED light panel adapted for use with a troffer style light fixture. The invention is also directed to a LED light retrofit kit to convert or replace existing troffer style light fixtures. The lighting panel includes a base member. The base member includes a first layer that is made up of a heat conductive material with a sufficient thermal conductivity to adequately dissipate heat generated by the lighting elements discussed below. The base member may also include a second layer that may provide structural support. A third layer base plate may also be included which may comprise an aluminum or copper sheet or other lightweight structurally strong heat conductive material. A power supply, which is connected to an energy source is provided and supplies electricity to at least one strip of LED lights, which are mounted with the first layer of the base member. | 2015-01-22 |
20150023011 | LIGHT-EMITTING MODULE, LIGHTING DEVICE, AND LIGHTING FIXTURE - A light-emitting module including: a first light source including a first light-emitting element and a wavelength converter and emitting visible light having a chromaticity within rectangle range ABCD, the wavelength converter changing a wavelength of a portion of light emitted by the first light-emitting element; and a second light source including a second light-emitting element and emitting red light. The light-emitting module emits white light by mixing the visible light and the red light, and satisfies conditions 2.0≦(S | 2015-01-22 |
20150023012 | LIGHT SOURCE AND DISPLAY SYSTEM - Disclosed are a light source and a display system. The light source comprises at least one original light emitting device group ( | 2015-01-22 |
20150023013 | Illuminating Unit - An illuminating unit includes a first bus bar, a second bus bar and a third bus bar of the same shape, each of which has a pair of right and left contact spring pieces that are spaced in a given direction and parallel to each other. The first bus bar, the second bus bar and the third bus bar are inserted into a housing and aligned in parallel in the given direction. Semiconductor light emitting elements, which emit lights in different color temperatures, are inserted into the housing, and connected to respective adjacent pairs of the right and left contact spring pieces of the first bus bar and the second bus bar, and the second bus bar and the third bus bar. A cover accommodates the housing, and includes a lens through which outgoing lights from the semiconductor light emitting elements pass. | 2015-01-22 |
20150023014 | LAMP AND LIGHTING APPARATUS - A lamp includes a base configured by a case and a heat discharging board, a supporting member disposed upright on the base, a light-transmitting substrate mounted on the supporting member, and light-emitting units mounted on the light-transmitting substrate. The supporting member includes a stand part, a rod-shaped leg part disposed upright thereon, and a head part positioned on top of the leg part. The head part has an upper surface and a side surface which is a continuation thereof. In planar view in a downwards direction, the light emitting units are positioned on a section of the light-transmitting substrate that extends beyond the upper surface. The side surface includes an inclined face that is light reflective and inclined relative to the upper surface, forming an obtuse dihedral angle therebetween. | 2015-01-22 |
20150023015 | Attachment Plate and Cover Configuration for a Luminaire - A luminaire may include a luminaire main body, an attachment plate, a plurality of light-emitting modules, a plurality of lenses, and a lighting circuit. In some examples, the luminaire main body may include an opening in a lower surface. The attachment plate may have a flat plate shape and may be arranged in the luminaire main body, and a lower surface faces the opening. The plurality of light-emitting modules may include semiconductor light-emitting elements, and may be attached to the lower surface of the attachment plate. The plurality of lenses may be provided for the respective light-emitting modules, and control luminous intensity distribution of light from the light-emitting modules. The lighting circuit may be arranged above the attachment plate in the luminaire main body, and configured to light the light-emitting modules. | 2015-01-22 |
20150023016 | LED LIGHTING APPARATUS - An LED lighting apparatus includes an LED substrate, a LED chip, a sealing resin member, and a reflecting face. The LED substrate has a main surface. The LED chip is mounted on the main surface of the LED substrate. The sealing resin member is made of a material that transmits light from the LED chip. The sealing resin member covers the LED chip. The sealing resin member has a shape bulging in the direction in which the main surface faces. The reflecting face surrounds the sealing resin member. | 2015-01-22 |
20150023017 | LIGHT TOWER - A portable, low-energy light tower to provide high, bright light having ground-engaging elements, a telescoping mast secured to the base and the mast having a pivot, the telescoping mast being rotatable about the pivot between a transport position and an operating position, and LED lighting elements at the top end of the telescoping mast. An electrically operated linear actuator mounted on the telescoping mast extends and retracts the telescoping mast through a system of cables and pulleys. | 2015-01-22 |
20150023018 | FASTENER, LIGHT SOURCE MODULE, AND METHOD OF ASSEMBLING A LIGHT SOURCE MODULE - A fastener includes a head portion and a shank portion that extends from the head portion. The shank portion has a distal end that is distal from the head portion and that is formed with at least two bendable anchor segments. The fastener is used to fasten a base plate of a light emitting bar to a base of a light source module. | 2015-01-22 |
20150023019 | LIGHT CONTROL SYSTEMS AND METHODS - Provided is a light-emitting device control system, comprising: a light source module that outputs a beam of light at a first surface location; a beam steering mechanism, the light source module coupled to the beam steering mechanism for directing the beam of light at the first surface location, wherein an illumination region is formed at the first surface location in response to the directed beam of light; a control module that detects a signal corresponding to a hand gesture, the control module positioned at a separate location than the light source module and the beam steering mechanism, and communicating with the light source module via a network; and a control spot generator that generates a control spot at a second surface location, the control module detecting a presence of a hand forming the hand gesture at the control spot, and wherein the beam steering mechanism moves the illumination region in response to the hand gesture at the control spot. | 2015-01-22 |
20150023020 | LIGHTING APPARATUS - Lighting appliance provided with an outer chassis made in such a way as to permit the operator to comfortably perform in situ a repair or maintenance operation if needed. Said chassis makes it possible to efficiently separate the light emission devices and the reflector and refractor means associated thereto from the power supply means guaranteeing that the section containing the LED devices is such as to ensure the required level of insulation from external elements, such as IP55 or more preferably IP67, even after the chassis has been opened and said section has been separated from the rest of the chassis. | 2015-01-22 |
20150023021 | LED LIGHTING ENGINE ADOPTING AN ICICLE TYPE DIFFUSION UNIT - Disclosed is an LED lighting engine adopting an icicle type diffusion unit. The LED lighting source having a surface light source characteristic and an icicle type diffusion unit corresponding to the surface light source are integrally formed through coupling therebetween to provide a shield type structure having waterproof and dustproof functions. Also, the LED lighting engine may improve lighting efficiency and reduce manufacturing costs when compared to an existing lighting device, and may also be applied in various ways. Also, the LED lighting engine may satisfy quality and pricing standards for LED lighting which are the main variables visible to the eyes of a user. In addition, the LED lighting engine may be simply replaced with conventional LED lighting in a one-on-one ratio (size) which greatly influences market competitiveness. Also, the LED lighting engine may be simply and freely adjusted in terms of light uniformity and light diffusion angle. | 2015-01-22 |
20150023022 | Air cooled horticulture lighting fixture for a double ended high pressure sodium lamp - An air cooled double ended high pressure sodium lamp fixture for growing plants in confined indoor spaces. The fixture seals the lamp and heat generated by the same to a reflector interior. Flow disruptors create turbulence in a cooling chamber thereby enhancing thermal transfer into a cooling air stream that flows over and around the reflector's exterior side thereby convectively cooling the lamp using the reflector as a heat sink. The lamp is effectively maintained at operational temperatures and the fixture housing is insulated from the hotter reflector by a gap of moving cooling air, allowing use of the double ended HPS lamp in confined indoor growing spaces. | 2015-01-22 |
20150023023 | LIGHTING SYSTEMS WITH HEAT EXTRACTING LIGHT EMITTING ELEMENTS - Lighting systems with heat extracting light emitting elements are disclosed based on the light emitting surface also functioning as the heat cooling surface. Lighting systems which have only their light emitting surfaces exposed to ambient are disclosed. A thermally conductive mostly reflective light transmitting element provides light diffusion, interconnect, and forms a light recycling cavity providing very low profile and lightweight solid state light sources. These properties make these light sources very useful in applications such as aircraft, rescue, temporary illumination, and automotive where weight directly impacts cost and utility. The integration of drivers and other electrical functions onto the heat extracting light emitting elements is also disclosed. | 2015-01-22 |
20150023024 | LIGHT EMITTING MODULE AND LIGHTING DEVICE USING THE SAME - A light emitting module includes a surface emitting panel and an optical member located at the light emitting surface side of the surface emitting panel. The surface emitting panel has a light emitting region and a non-light emitting region. The optical member has a reflector in the region corresponding to the light emitting region. The reflector has a reflectivity distribution in which the average reflectance per unit area varies. According to this configuration, light emitted from the surface emitting panel and guided by the optical member is reflected by the reflector and emitted in front of the non-light emitting region. By this way, a region in front of the non-light emitting region is difficult to be dark, thus allowing the light emission area to be increased. Further, where a number of light emitting modules are arranged in a matrix as a lighting device, a uniform illumination surface is provided. | 2015-01-22 |
20150023025 | Lighting Device, Lighting Unit, and Support - A lighting unit includes a board on which a light emitting portion having a semiconductor light emitting device is arrayed on an upper side along the longitudinal direction. The lighting unit also includes a reflector which is disposed on the upper side of the board, and has a reflection portion inside the reflector for reflecting a light from the light emitting portion, as well as covering the light emitting portion. The lighting unit further includes a case disposed so as to support the board and the reflector from the top and the bottom. | 2015-01-22 |
20150023026 | LIGHT EMITTING DEVICE - A light emitting device includes a light emitting element; a light reflecting member having an Ag-containing layer on a surface thereof and a protective film having a thickness of 1 nm to 300 nm and covering a surface of the light reflecting member, the protective film covering a surface of the light reflecting member, in which the Ag-containing layer has a thickness of 0.1 μm to 0.5 μm. | 2015-01-22 |
20150023027 | LIGHT GUIDE ELEMENT AND LAMP FOR CONTROLLING LIGHT BEAM ANGLE - A light guide element and a lamp are described. The light guide element has a length and an angle of total reflection. The light guide element includes a light-incident surface, a light-emitting surface, a first reflecting surface, and a second reflecting surface. The light-incident surface includes a first outer peripheral edge and a first inner peripheral edge. The light-emitting surface includes a second outer peripheral edge and a second inner peripheral edge. The first reflecting surface connects the first outer peripheral edge and the second outer peripheral edge. The second reflecting surface connects the first inner peripheral edge and the second inner peripheral edge. An angle is formed between the first reflecting surface and the second reflecting surface. The angle is smaller than the angle of total reflection, and the length is greater than a predetermined distance divided by tan the angle of total reflection). | 2015-01-22 |
20150023028 | LENSES FOR COSINE CUBED, TYPICAL BATWING, FLAT BATWING DISTRIBUTIONS - A lighting apparatus with uniform illumination distribution, according to various embodiments, can include a lens for area lighting. In one embodiment, the lens comprises a plurality of cross-sections identified by a thickness ratio defined at different angles. The thickness ratio is determined relative to the thickness of the cross-section defined at a center angle of the lens. In another embodiment, the lighting apparatus with uniform illumination distribution includes a lens having an inner surface and an outer surface. A profile of the inner surface and the outer surface is composed of a plurality of piecewise circular arcs defined with radii and circle centers. The lens is formed as a complex curve lens by joining the piecewise circular arcs of the inner surface and the outer surface. | 2015-01-22 |
20150023029 | OMNI-DIRECTIONAL CHANNELING OF LIQUIDS FOR PASSIVE CONVECTION IN LED BULBS - An LED bulb has a base, a shell connected to the base, and a thermally conductive liquid held within the shell. The LED bulb has a plurality of LEDs mounted on LED mounting surfaces disposed within the shell. The LED mounting surfaces face different radial directions, and the LED mounting surfaces are configured to facilitate a passive convective flow of the thermally conductive liquid within the LED bulb to transfer heat from the LEDs to the shell when the LED bulb is oriented in at least three different orientations. In a first orientation, the shell is disposed vertically above the base. In a second orientation, the shell is disposed on the same horizontal plane as the base. In a third orientation, the shell is disposed vertically below the base. | 2015-01-22 |
20150023030 | LIGHT-EMITTING DEVICE - A foldable light-emitting device is provided. Furthermore, a light-emitting device which can be developed is provided. The light-emitting device includes a light-emitting panel having flexibility, two support panels which support the light-emitting panel, and arms which are connected to the respective panels to be rotatable. Furthermore, the light-emitting device has a structure in which the two support panels, which are apart from each other and connected to the two arms that are connected to be rotatable, support the light-emitting panel. Accordingly, the light-emitting device can be folded so that the two support panels are apart from each other. | 2015-01-22 |
20150023031 | SUPPORT OF FLEXIBLE COMPONENT AND LIGHT-EMITTING DEVICE - To provide a support for supporting a flexible component and a light-emitting device. A first substrate, a second substrate, a rack, a pinion, and a hinge are provided. When the second substrate is moved, the rotational force of the pinion is transmitted to the rack of the first substrate and thus the first substrate is moved in the horizontal direction while being overlapped with one of hinge pieces of the hinge; accordingly, the flexible component can be bent while the flexible component is fixed to the first substrate and the second substrate and the allowable curvature radius is maintained in the vicinity of the hinge. | 2015-01-22 |
20150023032 | CURRENT CONTROLLING APPARATUS FOR AUTOMOTIVE LAMP - A current controlling apparatus for an automotive lamp is provided that adjusts a current applied to the automotive lamp that uses laser light as a light source to adjust the intensity of the laser light. The automotive lamp includes a light source that generates laser light and a phosphor excited by the generated laser light to generate light of a predetermined color. A minor is configured to transmit therethrough a first portion of the generated laser light while reflecting a second portion of the generated laser light. A light receiver is configured to receive reflected laser light from the minor and output an output signal based on an intensity of the received laser light. In addition, a controller is configured to detect an intensity of the generated laser light based on the output signal and adjust a current applied to the light source based on results of the detection. | 2015-01-22 |
20150023033 | Luminous Pedal Structure for a Bicycle - A luminous pedal structure for a bicycle is mounted on a crank of a bicycle and contains a body, an electricity generating device, a shaft, and a covering member. Each limiting column of the electricity generating device fits with each magnetic element and inserts into each connecting post, and coils fit with limiting columns and contact with magnetic elements; the transmission set has a large chainring and plural small chainrings meshing with the large chainring meshes, the holders of the covering member connect with the limiting columns, the shaft and the limiting columns are rotated by picture bearings which rotate at different speeds and axes so as to drive the large chainring and the small chainrings to rotate, such that the magnetic elements are driven to rotate the coils so as to generate an induced voltage, by which the light-emitting elements generate a forward voltage to emit lights. | 2015-01-22 |
20150023034 | PORTABLE LIGHT FOR A BICYCLE - The present invention discloses a portable light which comprises a case; a PCB assembly comprising a powering source; a plurality of LEDs emitting light in different color which are installed on the PCB assembly and electrically connected to the powering source and arranged to emit light; and a lens disposed in the case for protecting the LEDs and enhancing the emitting of light through the case; and wherein the PCB assembly controls current supplied to the LEDs such that one of the LED is lighted in a stead mode or a flashing mode. The portable light of the invention can be easily operated to emit single color of light and can be easily operated to change other color of light in a steady mode or a flashing mode so as to alert other traffic to their presence on the road, especially in an emergent circumstance. | 2015-01-22 |
20150023035 | LANE GUIDE DEVICE FOR A DRIVER OF AN AUTOMOBILE - An automotive safety device, specifically, an automobile safety device that assists drivers to remain in their proper driving lane when driving a moving vehicle. One embodiment of the present invention can include a flat planar body member, a plurality of light emitting members connected to the planar body member, wherein the light emitting members are configured in a predetermined arrangement, a power source electronically connected to the light emitting members, and a selectively engageable dimmer switch electronically connected to the power source and the light emitting members. The plurality of light emitting members can be configured in an angled position such that when the planar body member is positioned on the dashboard of a motor vehicle, between a steering wheel and a windshield of the motor vehicle, the reflection of the light emitting members appears to project outwardly in a straight line in front of the windshield. | 2015-01-22 |
20150023036 | ADJUSTABLE ELEVATED LIGHT FOR TRANSPORTATION VEHICLES - An adjustable, elevated and externally mounted lighting device ( | 2015-01-22 |
20150023037 | LIGHT GUIDING ELEMENT FOR A LASER VEHICLE HEADLIGHT - The invention relates to a light guiding element ( | 2015-01-22 |
20150023038 | GUIDE LAMP APPARATUS FOR VEHICLE - A guide lamp apparatus for a vehicle may include a light source, a side reflector which may be arranged on a lateral side of the light source, form an imaginary light source identical to the light source on a side of the light source, and reflect the light radiated from the light source to be divided into a plurality of lights, and a light collection lens that may be arranged in a front of the light source and collects light from the light source that may be divided into the plurality of lights by the side reflector and forms predetermined patterned images on a road surface. | 2015-01-22 |
20150023039 | VEHICLE LAMP - A vehicle lamp is provided that forms a predetermined image using a leaked portion of light generated by a light source. The vehicle lamp includes a light source and a light image forming part that is configured to form an image of a predetermined shape using light emitted from the light source. In addition, a reflector is configured to form a beam pattern by reflecting the light of the light source to a certain area and guide the light of the light source to the light image forming part disposed in front of the light source by reflecting the light of the light source to another area. | 2015-01-22 |
20150023040 | VEHICULAR LAMP - A vehicular lamp includes a projection lens, a light source disposed to the rear of the projection lens, and an additional lens. First light from the light source is irradiated to the front through the projection lens to form a predetermined light distribution pattern. The projection lens has an elongated external shape when the lamp is seen from the front. The additional lens is disposed on a circumference of the projection lens and configured to control second light from the light source to forwardly pass through the additional lens. | 2015-01-22 |
20150023041 | LED REFLECTOR OPTIC FOR AN AUTOMOTIVE HEADLIGHT - The automotive headlight includes one or more first light emitting diodes (LEDs) and one or more second LEDs, wherein the one or more second LEDs are positioned at about 180 degrees with respect to the one or more first LEDs, wherein the headlight optical axis is about −90 degrees with respect to a LED optical axis of the one or more first LEDs, at least one first reflector, wherein the at least one first reflector redirects light from the one or more first LEDs to an angle of about −90 degrees with respect to a LED optical axis of the one or more first LEDs and at least one second reflector, wherein the at least one second reflector redirects light from the one or more second LEDs to an angle of about −90 degrees with respect to the LED optical axis of the one or more first LEDs. | 2015-01-22 |
20150023042 | Vehicle Lamp - A vehicle lamp is provided with a housing for mounting to a vehicle and defining a outward opening. A lens is attached to the outward opening of the housing to define a lamp chamber therebetween. The lens has an appearance portion and a concealed portion. A condensation trap feature is formed along an inner surface of the concealed portion of the lens. | 2015-01-22 |
20150023043 | GUIDE LAMP APPARATUS FOR VEHICLE - A guide lamp apparatus for a vehicle may include a light source, a light division lens that may be arranged on a front of the light source and divides a light emitted from the light source into a plurality of lights, and a front light collection lens that may be arranged on a front of the light division lens and forms predetermined patterned images on a road surface. | 2015-01-22 |
20150023044 | HEADLIGHT LENS FOR A VEHICLE HEADLIGHT - Headlight lens for a vehicle headlight having a monolithic body of transparent material, the monolithic body including at least one light entry face, a light passage section and at least one optically operative light exit face. | 2015-01-22 |
20150023045 | PROJECTION MODULE FOR A MOTOR VEHICLE - The invention relates to a light module ( | 2015-01-22 |
20150023046 | ORGANIC ELECTROLUMINESCENT PANEL AND VEHICLE LAMP - An organic electroluminescent panel is provided. The organic electroluminescent panel includes a substrate made of glass or transparent resin, a light emitting portion provided along a peripheral edge of the substrate, and a metal electrode. The light emitting portion comprises a cathode layer, a transparent conductive film having an extension portion, the extension portion extending toward an outer peripheral portion of the substrate and contacting the metal electrode, and an organic light emitting layer provided between the cathode layer and the transparent conductive film. The metal electrode is provided on the outer peripheral portion of the substrate to serve as an anode. | 2015-01-22 |
20150023047 | LIGHT EMITTING UNIT - A light emitting unit includes a light source and a light guiding member. The light guiding member includes a light incident guiding portion that is arranged to face a light emitting surface of the light source and have a light incident surface, on which light emitted from the light source is incident, is formed at one end thereof, and a plurality of branched extending light guiding portions that are branched from the light incident guiding portion and extend towards back surfaces of a plurality of display portions. The plurality of branched extending light guiding portions are so formed that, the end surfaces of the branched extending light guiding portions have larger areas in accordance with increase of the lengths in the extending directions of the branched extending light guiding portions. | 2015-01-22 |
20150023048 | APPARATUS AND METHOD FOR REDUCING LASER SPECKLE - An apparatus for reducing laser speckle cooperates with a laser light source and comprises a light guide tube and a vibration element coupled on the light guide tube. The light guide tube includes an input member corresponding to the laser light source, an output member far away from the laser light source, and a chamber allowing a laser beam which is emitted by the laser light source to perform total reflection inside. The vibration element is arranged at a region between the input member and the output member to drive the light guide tube to vibrate reciprocally along a direction not parallel to the axis of the light guide tube. The vibration element controls the light guide tube to perform swift, reciprocal and high-frequency vibration to destroy coherence of the laser beam. Thus the laser beam can be output uniformly to avoid laser speckles caused by light interference. | 2015-01-22 |
20150023049 | Method and apparatus for coordinating solar powered lighting with grid powered lighting - A light collecting reflector assembly adjustably secured to the peripheral edge of a photovoltaic solar array useful to charge a storage battery connected to power a light upon the sensing an ambient light below a predetermined level for collecting sufficient light emitted by a selected grid powered light source and reflecting same to supplement said ambient light to said predetermined light level. | 2015-01-22 |
20150023050 | BACKLIGHT MODULE - A backlight module includes a light source unit, an optical fiber, a diverging lens and a light guide unit. The light source unit includes a first light source emitting red light, a second light source emitting green light and a third light source emitting blue light. The optical fiber includes a first, second, and third incident branches and a light output portion. The three incident branches converge into the light output portion and are aligned with the three light sources to guide and mix red, blue, and green light to form white light. The diverging lens is aligned with the light output portion to receive and diverge the white light. The light guide unit faces the diverging lens to receive the white light. | 2015-01-22 |
20150023051 | OPTICAL CONFIGURATIONS IN A TILEABLE DISPLAY APPARATUS - A display apparatus including a screen layer for displaying a unified image to a viewer and an illumination layer having an array of light sources. Each light source emits a light beam. An array of optical elements, each coupled to a corresponding light source in the array of light sources, is disposed between the screen layer and the illumination layer. The display layer includes a matrix of pixlets and a spacing region disposed between the pixlets in the matrix, wherein the array of light sources emit their light beams through the array of optical elements, wherein each optical element is configured to shape the received light beam into a divergent projection beam having a limited angular spread to project sub-images displayed by the pixlets as magnified sub-images on the backside of the screen layer, the magnified sub-images to combine to form the unified image that is substantially seamless. | 2015-01-22 |
20150023052 | TWO-SIDED LIGHT GUIDE - A multi-display system includes a single, two-sided backlight assembly between the display panels. The two-sided backlight assembly is able to emit light in two light paths generally 180 degrees apart—one light path passes through one of the display panels and another light pass through the other of the display panels. That is, the two-sided light guide assembly emits light out two sides and generally in opposite directions. The two-sided backlight assembly uses lights such as light emitting diodes (LEDs) mounted on the side of a light guide thereby permitting the backlight assembly to be relatively thin. Because a single, thin, two-sided backlight assembly is used, the overall depth of the multi-display system is less than would be the case if two separate backlight assemblies were used. | 2015-01-22 |
20150023053 | BACKLIGHT UNIT INCLUDING COLOR-COMPENSATING DIFFUSER AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit includes a light source. A light guide plate receives light supplied from the light source at an incident light part of the light guide plate. A reflective sheet is positioned below the light guide plate and reflects light upwardly. A diffuser sheet is formed on the light guide plate and diffuses the light to transfer the diffused light upwardly. The diffuser sheet includes a color material, and a concentration of the color material within the diffuser sheet is dependent upon a distance from the incident light part. | 2015-01-22 |
20150023054 | REFLECTIVE FILM - A reflective film includes a first section in which a layer including a resin A and a layer including a resin B are alternately laminated in 200 layers or more, and a second section including a resin C which meets at least one of (I) to (III), the sections arranged laminatedly in the thickness direction, wherein relative average reflectance at a wavelength of 400 to 700 nm of light incident upon the first section side arranged laminatedly is 70% or more, and the reflectance of a specular reflection component is 10% or more of the relative average reflectance:
| 2015-01-22 |
20150023055 | LIGHT SOURCE ASSEMBLY, BACKLIGHT ASSEMBLY HAVING THE SAME AND DISPLAY APPARATUS HAVING THE SAME - A light source assembly includes a red laser diode configured to generate a red laser light, a blue laser diode disposed adjacent to the red laser diode, and configured to generate a blue laser light or a cyan laser light, a green phosphor disposed on the blue laser diode, and configured to change a wavelength of the blue laser light or the cyan laser light, and a holographic diffuser disposed on the green phosphor and the red laser diode. The holographic diffuser is configured to diffuse or scatter the red laser light and is configured to diffuse or scatter the blue laser light or the cyan laser light which passed the green phosphor. | 2015-01-22 |
20150023056 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The present invention discloses a backlight module and a liquid crystal display. The light guide plate is formed with hollow structures therein, and the hollow structures includes a first reflecting surface and a second reflecting surface; the first reflecting surface has a first inclination; the second reflecting surface has a second inclination; based on the first inclination, the first reflecting surface reflects light emitting toward the first reflecting surface; and based on the second inclination, the second reflecting surface reflects light emitting toward the second reflecting surface. | 2015-01-22 |
20150023057 | DISPLAY DEVICE - A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices. | 2015-01-22 |
20150023058 | BACKLIGHT UNIT AND DISPLAY APPARATUS USING THE SAME - Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface. A cross-sectional area of the grooves is larger than that of the stoppers. | 2015-01-22 |
20150023059 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes: a backplane ( | 2015-01-22 |
20150023060 | ILLUMINATION APPARATUS CONFINING LIGHT BY TOTAL INTERNAL REFLECTION AND METHODS OF FORMING THE SAME - In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide. | 2015-01-22 |
20150023061 | ILLUMINATING ELEMENT HAVING A CODING ELEMENT - A light-emitting element may include at least one coding element. The coding element may have at least two switching states and an operating mode of the light-emitting element may be set on the basis of a switching state of the coding element. | 2015-01-22 |
20150023062 | SWITCHING POWER SUPPLY DEVICE - In a switching power supply device having low loss in synchronous rectifying switches, exhibiting high power efficiency, and not causing troubles by reverse current in the switches. A secondary control circuit includes a reference voltage circuit to generate a reference voltage having a predetermined potential, and an ON-timing detector circuit to detect an ON timing of a synchronous rectifying switch through monitoring of a terminal voltage of the switch, an OFF-timing detector circuit to detect an OFF timing of the switch, and a timer circuit to be turned on at the ON timing and measure a predetermined period. The threshold voltage consisting of the reference voltage generated by the reference voltage circuit and an offset voltage is applied to the OFF-timing detector circuit during the measurement of the timer circuit, and the threshold voltage consisting of the reference voltage is applied to the OFF-timing detector circuit during the non-measurement. | 2015-01-22 |
20150023063 | Resonant Power Converters Using Impedance Control Networks And Related Techniques - An impedance control resonant power converter (converter) operated at a fixed switching frequency includes an impedance control network (ICN) coupled between two or more inverters operated at a fixed duty ratio with a phase shift between them and one or more rectifiers. The phase shift is used to control output power or compensate for variations in input or output voltage. The converter operates at fixed frequency yet achieves simultaneous zero voltage switching (ZVS) and zero or near zero current switching (ZCS) across a wide operating range. Output power may be controlled by: (1) changing phase shift between inverters; or (2) adjusting phase shift between inverters depending upon input and/or output voltages so that an admittance presented to the inverters is conductive and then turning the converter on and off at a frequency lower than the converter switching frequency to control output power below a value set by the phase shift. | 2015-01-22 |
20150023064 | METHOD OF FORMING A POWER SUPPLY CONTROLLER AND STRUCTURE THEREFOR - In one embodiment, a method of forming a power supply controller includes forming the power supply controller to receive an input signal that is representative of an ac signal, and forming the power supply controller to form an average value of an output current over a period of a drive signal that is formed by the power supply controller to have a waveshape of substantially one of a squared version of the input signal or a waveshape of the input signal. | 2015-01-22 |
20150023065 | VOLTAGE GENERATING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME - Until an output voltage of a converter reaches a threshold value, a control part performs switching control, and after the output voltage reaches the threshold value, the control part performs supply voltage control while the state of a switching control signal at the time when the output voltage reaches the threshold value is maintained. Switching control is a control method in which the output voltage is adjusted by adjusting the frequency or duty ratio of the switching control signal that drives a driving part. Supply voltage control is a control method in which the output voltage is adjusted by adjusting the supply voltage that is applied to the primary side of the converter. | 2015-01-22 |
20150023066 | CONTROL DEVICE OF A SWITCHING POWER SUPPLY - A control section for a current resonant converter section controls a DC output voltage of a current resonant converter section to settle to a target voltage by varying a resonant period between predetermined two resonant periods based on an error signal between the DC output voltage and the target voltage. A gain converter is provided in a preceding stage of a frequency generator for generating a square waveform signal with a duty ratio of 50% and the gain converter has a setting of a nonlinear gain characteristic that cancels nonlinearity in the input-output characteristics of the current resonant converter section. The nonlinear gain characteristic can be a characteristic of continuous gain conversion or discrete gain conversion. | 2015-01-22 |
20150023067 | POWER-FACTOR CORRECTION CIRCUIT - The present invention includes: a series circuit including a reactor and a switching element connected between the rectified-current output terminals of a rectifier; a series circuit including a diode and a smoothing capacitor for obtaining an output voltage, connected in parallel to the switching element; an error amplifier configured to detect the output voltage, amplify the error between the detected output voltage and a reference voltage, and output an error signal; a zero-current detector configured to output a signal when detecting that a reactor current flowing in the reactor has become zero current; a correction signal circuit configured to detect a switching current flowing in the switching element, and generate a correction signal corresponding to the detected switching current; and an ON-period control circuit configured to control the switching element's ON period in accordance with the error signal and correction signal, from when the zero-current detector detects the zero current. | 2015-01-22 |
20150023068 | SWITCHING POWER SUPPLY APPARATUS - A switching power supply apparatus includes a voltage step-up converter that increases input voltage in response to turning on and off of a switching element, a transformer including a primary winding and a secondary winding and the primary winding of which is connected to the output of the voltage step-up converter, a microcontroller that controls the turning on and off of the switching element, an input voltage detection circuit that detects input voltage of the microcontroller, and an intermediate bus voltage detection circuit that detects intermediate bus voltage from the microcontroller. The input voltage detection circuit and the intermediate bus voltage detection circuit are circuits including elements having the same specifications. The microcontroller controls the turning on and off of the switching element based on a result of calculation from voltage values detected by the input voltage detection circuit and the intermediate bus voltage detection circuit. | 2015-01-22 |
20150023069 | SYSTEMS AND METHODS FOR HIGH PRECISION AND/OR LOW LOSS REGULATION OF OUTPUT CURRENTS OF POWER CONVERSION SYSTEMS - Systems and methods are provided for signal processing. An example error amplifier for processing a reference signal and an input signal associated with a current of a power conversion system includes a first operational amplifier, a second operational amplifier, a first transistor, a second transistor, a current mirror component, a switch, a first resistor and a second resistor. The first operational amplifier includes a first input terminal, a second input terminal and a first output terminal, the first input terminal being configured to receive a reference signal. The first transistor includes a first transistor terminal, a second transistor terminal and a third transistor terminal, the first transistor terminal being configured to receive a first amplified signal from the first output terminal, the third transistor terminal being coupled to the second input terminal. | 2015-01-22 |
20150023070 | AC/DC CONVERTER - A first rectified voltage obtained by rectifying an AC voltage is input to an input detection terminal of a control circuit. A first NMOS transistor configured as a depletion-type high-voltage element, and its drain is connected to the input detection terminal, and its gate is connected to its source. An AC voltage detection circuit detects the amplitude of the AC voltage based on a current that flows through the first NMOS transistor. | 2015-01-22 |
20150023071 | VOLTAGE CONVERTER CIRCUIT AND VOLTAGE CONVERTER CONTROLLER AND PARAMETER SETTING METHOD THEREFOR - A voltage converter circuit includes a voltage converter controller which generates a PWM signal to operate a power switch for voltage conversion. The voltage converter controller includes a sensing pin for sensing a current and the voltage converter controller receives a power supply. A parameter setting method for the voltage converter circuit includes: during a start-up stage, when the power supply increases above a predetermined reference level, the voltage converter controller outputting a current through the sensing pin; and setting at least one parameter of the voltage converter controller according to a voltage at the sensing pin. | 2015-01-22 |
20150023072 | START-UP CIRCUIT AND METHOD FOR AC-DC CONVERTERS - For starting-up a power converter, an AC rectified voltage is generated upon power-up of the power converter. A depletion mode transistor generates a first voltage from the rectified voltage. The first voltage is inputted to a controller of the power converter to provide power for operation of the controller before an output stage of the power converter starts outputting power. A gate biasing voltage is generated from the first voltage and supplied to a gate terminal of the depletion mode transistor to bias the gate terminal of the depletion mode transistor. | 2015-01-22 |
20150023073 | POWER CONTROL DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A power control device and an image forming apparatus including the same are disclosed. A power control device meets the need for low power consumption by minimizing standby power consumption in a plug-on state of an electronic apparatus, and meets the safety requirements by increasing a discharging rate of an X-cap or an E-cap in a plug-off state. The power control device includes a first capacitor charged by AC power during input of the AC power, a rectifier converting the AC power to DC power, a second capacitor disposed at an output of the rectifier, and a discharge circuit including at least one discharge resistor, and a first switch and a second switch configured to be alternately turned on/off in response to supply and interruption of the AC power, and discharging at least one of the first and second capacitors via the at least one discharge resistor, in response to turn-off of the first switch and turn-on of the second switch. | 2015-01-22 |
20150023074 | AC/DC ELECTRICAL CONVERSION DEVICE PERMITTING ENERGY RECOVERY AND MANAGEMENT OF DC-SIDE SHORT-CIRCUITS - An AC/DC electrical converter device having a source mode and a recovery mode, and for connection, on the AC side, to an AC voltage source and, on the DC side, to a DC power distribution network. It includes an AC/DC converter, a switching cell with two switches (K | 2015-01-22 |
20150023075 | INVERTER CONTROL APPARATUS AND CONTROL METHOD THEREOF - An apparatus and method for controlling an operation of an inverter are provided. In the inverter control apparatus, an operation signal input unit detects a current of each phase output from an inverter. An error detecting unit detects whether there is a fault of the inverter on the basis of the current detected by the operation signal input unit. A controller controls driving of the inverter according to a type of the fault detected by the error detecting unit. A storage unit stores a kind of fault of the inverter and a corresponding fault type on the basis of the current detected in the operation signal detecting unit. | 2015-01-22 |
20150023076 | POWER CONVERTER CONTROL DEVICE - A power converter control device includes an alarm signal generation circuit which detects information necessary for a protection operation of a semiconductor element configuring a power converter, and generates and externally outputs an alarm signal with a pulse width responding to a protection factor; a temperature signal generation circuit which detects a temperature of the semiconductor element, and generates a PWM signal, correlated with the temperature, the cycle of which is different from the pulse width of the alarm signal; and an output control circuit which selects the PWM signal in normal time, and selects and externally outputs the alarm signal in place of the PWM signal when the alarm signal is generated. | 2015-01-22 |
20150023077 | INTERLEAVED TWO-STAGE POWER FACTOR CORRECTION SYSTEM - Methods and systems are described for providing power factor correction for high-power loads using two interleaved power factor correction stages. Each power factor correction stage includes a controllable switch that is operated to control the phasing of each power factor correction stage. The phasing of output current from the second power factor correction stage is shifted 180 degree relative to the output current from the first power factor correction stage. | 2015-01-22 |
20150023078 | POWER DIMMER - A control circuit varies the power of a load powered by an alternating voltage, comprising: a first thyristor and a first diode connected in antiparallel between first and second nodes, the cathode of the first diode being on the side of the first node; a second thyristor and a second diode connected in antiparallel between the second node and a third node, the cathode of the second diode being on the side of the third node; third and fourth diodes connected in antiseries between the first and third nodes, the cathodes of the third and fourth diodes being connected to a fourth node; a transistor between the second and fourth nodes; and a control unit for controlling the first and second thyristors and the transistor. | 2015-01-22 |
20150023079 | POWER SUPPLY DEVICE - In a power supply device, the bridge circuit including a plurality of switching arms which is an inverse-parallel circuit of a semiconductor switch and a diode. The power supply device includes a control unit. The control unit switches the semiconductor switch such that a voltage v between AC terminals becomes a positive-negative voltage whose peak value is the voltage V | 2015-01-22 |
20150023080 | METHODS AND APPARATUS FOR CONTROLLING POWER SWITCHES VIA A DIGITAL COMMUNICATION BUS - Methods and apparatus are provided that can be used to control a set of power switches operating as a power converter. The method comprises providing a set of power switches and at least one switch driver, each power switch being operable to connect and disconnect one of a set of input power line to an output power line, each switch driver setting the state(s) of an associated power switch or switches; generating by a controller a set of switch commands, each command indicating a desired state of a respective one of said power switches at a moment in time; sending each switch command from the controller to a driver module containing the switch driver associated with the respective power switch; receiving at each driver module switch commands for its associated power switch(es) and causing each switch driver to set the state(s) of the appropriate power switch(es) accordingly; wherein the step of sending said switch commands comprises multiplexing commands for at least a subset of said switches into a series of multi-bit command frames and transmitting said command frames on a serial communication channel, and wherein the step of receiving said switch commands comprises receiving said multi-bit command frames from said communication channel and extracting individual switch commands therefrom. The method and apparatus can be used for example in a UPS system. | 2015-01-22 |
20150023081 | POWER SEMICONDUCTOR MODULE AND POWER CONVERSION DEVICE - A power semiconductor module capable of reducing variation of inductance between upper/lower arms and reducing variation of current caused by the variation of inductance. The power semiconductor module includes circuit blocks (upper/lower arms) each of which is configured by connecting self-arc-extinguishing type semiconductor elements in series; a positive electrode terminal, a negative electrode terminal, and an AC terminal that are connected to each of the circuit blocks; and wiring patterns that connect the self-arc-extinguishing type semiconductor elements of the circuit blocks to the positive electrode terminal, the negative electrode terminal, and the AC terminal, wherein the circuit block is plural in number; the positive electrode terminal, the negative electrode terminal, and the AC terminal are each disposed to be plural in number corresponding to the circuit blocks; and the positive electrode terminals and the negative electrode terminals are closely disposed. | 2015-01-22 |
20150023082 | SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE USING THE SAME - In a semiconductor device such as a three-phase one-chip gate driver IC, HVNMOSs configuring two set and reset level shift circuits are disposed on non-opposed surfaces, and it is thereby possible to reduce the amount of electrons flowing into drains of HVNMOSs of another phase due to a negative voltage surge. Also, distances from an opposed surface on the opposite side to the respective drains of the HVNMOSs configuring the two set and reset level shift circuits are made equal to or more than 150 μm, and it is thereby possible to prevent a malfunction of a high side driver circuit of another phase to which no negative surge is applied. | 2015-01-22 |
20150023083 | POWER CONVERTER - In a filter capacitor including three capacitor elements including a first capacitor element at an end on one side in an electrical connection form and a second capacitor element at an end on the other side, a pair of direct-current terminals including a positive-electrode-side main terminal and a negative-electrode-side main terminal, which receive a direct-current voltage from a direct-current power supply, are provided, a first conductor path length between a positive-electrode-side terminal of the first capacitor element and the positive-electrode-side main terminal and a second conductor path length between a positive-electrode-side terminal of the second capacitor element and the positive-electrode-side main terminal are approximately the same, and a third conductor path length between a negative-electrode-side terminal of the first capacitor element and the negative-electrode-side main terminal and a fourth conductor path length between the negative-electrode-side terminal of the second capacitor element and the negative-electrode-side main terminal are approximately the same. | 2015-01-22 |