With Specific Housing Or Contact Structure Patents (Class 257/81)
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Patent number: 8742559Abstract: To suppress the reduction in reliability of a resin-sealed semiconductor device. A first cap (member) and a second cap (member) with a cavity (space formation portion) are superimposed and bonded together to form a sealed space. A semiconductor including a sensor chip (semiconductor chip) and wires inside the space is manufactured in the following way. In a sealing step of sealing a joint part between the caps, a sealing member is formed of resin such that an entirety of an upper surface of the second cap and an entirety of a lower surface of the first cap are respectively exposed. Thus, in the sealing step, the pressure acting in the direction of crushing the second cap can be decreased.Type: GrantFiled: March 14, 2012Date of Patent: June 3, 2014Assignee: Renesas Electronics CorporationInventor: Noriyuki Takahashi
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Patent number: 8742448Abstract: An optoelectronic component has an optoelectronic semiconductor chip, a contact frame, a contact carrier, a first electrical connection zone and a second electrical connection zone electrically insulated from the first electrical connection zone, which each have a part of the contact frame and a part of the contact carrier, wherein the contact frame has a recess which separates the first electrical connection zone at least in places from the second electrical connection zone and into which the optoelectronic semiconductor chip projects, and wherein the contact frame has a contact element which connects the contact frame electrically with the optoelectronic semiconductor chip.Type: GrantFiled: March 5, 2010Date of Patent: June 3, 2014Assignee: OSRAM Opto Semiconductors GmbHInventors: Johann Ramchen, Michael Zitzlsperger
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Patent number: 8742563Abstract: A component and a method for producing a component are disclosed. The component comprises an integrated circuit, a housing body, a wiring device overlapping the integrated circuit and the housing body, and one or more external contact devices in communication with the wiring device.Type: GrantFiled: November 29, 2010Date of Patent: June 3, 2014Assignee: Intel Mobile Communications GmbHInventors: Thorsten Meyer, Harry Hedler, Markus Brunnbauer
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Patent number: 8735189Abstract: A method of fabricating a light emitting diode device comprises providing a substrate, growing an epitaxial structure on the substrate. The epitaxial structure includes a first layer on the substrate, an active layer on the first layer and a second layer on the active layer. The method further comprises depositing a conductive and reflective layer on the epitaxial structure, forming a group of first trenches and a second trench. Each of the first and second trenches extends from surface of the conductive and reflective layer to the first layer to expose part of the first layer. The method further comprises depositing conductive material to cover a portion of the conductive and reflective layer to form a first contact pad, and cover surfaces between adjacent first trenches to form a second contact pad. The second contact pad electrically connects the first layer by filling the conductive material in the first trenches.Type: GrantFiled: May 17, 2012Date of Patent: May 27, 2014Assignee: Starlite LED IncInventor: Chang Han
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Patent number: 8735922Abstract: A LED mirror light assembly comprises a body having a through hole configured subject to a predetermined shape and located on a middle part thereof, a film-coated glass configured subject to shape of the through hole and supported on a first step, a LED holder holding a plurality of light-emitting diodes, and a reflector comprising a reflective surface located on a front side thereof and facing toward the light-emitting diodes and a light-shading coating coated on a rear side thereof The reflector being kept in a non-parallel manner relative to the film-coated glass and defining with the film-coated glass a predetermined contained angle so that the light spots of the light-emitting diodes are repeatedly reflected by the reflective back face of the film-coated glass and the reflective surface of the reflector, forming a curved tunnel of light spots.Type: GrantFiled: July 28, 2011Date of Patent: May 27, 2014Inventor: Chien-Tsai Tsai
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Patent number: 8729572Abstract: A light emitting diode package includes an electrically insulated base, first and second electrodes, an LED chip, a voltage stabilizing module, and an encapsulative layer. The base has a first surface and an opposite second surface. The first and second electrodes are formed on the first surface of the base. The LED chip is electrically connected to the first and second electrodes. The voltage stabilizing module is formed on the first surface of the base, positioned between and electrically connected to the first and second electrodes. The voltage stabilizing module connects to the LED chip in reverse parallel and has a polarity arranged opposite to that of the LED chip. The voltage stabilizing module has an annular shape and encircles the first electrode. The encapsulative layer is formed on the base and covers the LED chip.Type: GrantFiled: June 27, 2012Date of Patent: May 20, 2014Assignee: Advanced Optoelectronic Technology, Inc.Inventors: Hou-Te Lin, Chao-Hsiung Chang
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Patent number: 8723191Abstract: An electronic device performing as a light emitting diode and a solar cell, and which comprises: a solar cell unit including a first electrode layer, an energy-level compensation layer formed on the first electrode layer, a photoelectric-conversion layer formed on the energy level compensation layer, and a shared electrode layer formed on the photoelectric-conversion layer; and a light emitting diode unit including the shared electrode layer, and a light emitting layer formed on the shared electrode layer and a second electrode layer formed on the light emitting layer, wherein a LUMO energy-level of the energy-level compensation layer is smaller than a work function of the first electrode layer and is larger than a LUMO energy level of the photoelectric-conversion layer, thereby increasing the generating efficiency of the solar cell unit or the luminous efficiency of the light emitting diode unit due to high electron mobility among the respective layers.Type: GrantFiled: November 26, 2010Date of Patent: May 13, 2014Assignee: Gwangju Institute of Science and TechnologyInventors: Kwanghee Lee, Inwook Hwang, Hongkyu Kang, Geunjin Kim
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Patent number: 8723160Abstract: A light emitting diode (LED) die includes a first-type semiconductor layer, a multiple quantum well (MQW) layer and a second-type semiconductor layer. The light emitting diode (LED) die also includes a peripheral electrode on the first-type semiconductor layer located proximate to an outer periphery of the first-type semiconductor layer configured to spread current across the first-type semiconductor layer. A method for fabricating the light emitting diode (LED) die includes the step of forming an electrode on the outer periphery of the first-type semiconductor layer at least partially enclosing and spaced from the multiple quantum well (MQW) layer configured to spread current across the first-type semiconductor layer.Type: GrantFiled: October 4, 2012Date of Patent: May 13, 2014Assignee: SemiLEDS Optoelectronics Co., Ltd.Inventors: Chen-Fu Chu, Feng-Hsu Fan, Hao-Chun Cheng, Trung Tri Doan
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Patent number: 8723336Abstract: According to an embodiment, a semiconductor light emitting device includes a light emitting body including a semiconductor light emitting layer, a support substrate supporting the light emitting body, and a bonding layer provided between the light emitting body and the support substrate, the bonding layer bonding the light emitting body and the support substrate together. The device also includes a first barrier metal layer provided between the light emitting body and the bonding layer, and an electrode provided between the light emitting body and the first barrier metal layer. The first barrier layer includes a first layer made of nickel and a second layer made of a metal having a smaller linear expansion coefficient than nickel, and the first layer and the second layer are alternately disposed in a multiple-layer structure. The electrode is electrically connected to the light emitting body.Type: GrantFiled: May 15, 2012Date of Patent: May 13, 2014Assignee: Kabushiki Kaisha ToshibaInventor: Yasuharu Sugawara
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Patent number: 8723192Abstract: A method for producing an optoelectronic semiconductor component includes providing a carrier; arranging at least one optoelectronic semiconductor chip at a top side of the carrier; shaping a shaped body around the at least one optoelectronic semiconductor chip, wherein the shaped body covers all side areas of the at least one optoelectronic semiconductor chip, and wherein a surface facing away from the carrier at the top side and/or a surface facing the carrier at the underside of the at least one semiconductor chip remains substantially free of the shaped body or is exposed, and removing the carrier.Type: GrantFiled: July 19, 2010Date of Patent: May 13, 2014Assignee: OSRAM Opto Semiconductors GmbHInventors: Karl Weidner, Ralph Wirth, Axel Kaltenbacher, Walter Wegleiter, Bernd Barchmann, Oliver Wutz, Jan Marfeld
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Patent number: 8716721Abstract: A light emitting device comprises a substrate having a plurality of light emitting elements mounted thereon; a side wall structure having a partition wall portion separating a plurality of light emitting areas that each include at least one of the light emitting elements; and encapsulating resin filled in the light emitting areas to bury the light emitting elements therein. The side wall structure is separated by a space from the substrate at, at least, the partition wall portion so as to be in noncontact with the substrate, and the encapsulating resin is formed so as to integrally, continuously fill the light emitting areas and the space without producing any interface therein.Type: GrantFiled: August 2, 2012Date of Patent: May 6, 2014Assignee: Stanley Electric Co., Ltd.Inventor: Kaori Tachibana
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Patent number: 8716933Abstract: A light-emitting device having the quality of an image high in homogeneity is provided. A printed wiring board (second substrate) (107) is provided facing a substrate (first substrate) (101) that has a luminous element (102) formed thereon. A PWB side wiring (second group of wirings) (110) on the printed wiring board (107) is electrically connected to element side wirings (first group of wirings) (103, 104) by anisotropic conductive films (105a, 105b). At this point, because a low resistant copper foil is used to form the PWB side wiring (110), a voltage-drop of the element side wirings (103, 104) and a delay of a signal can be reduced. Accordingly, the homogeneity of the quality of an image is improved, and the operating speed of a driver circuit portion is enhanced.Type: GrantFiled: November 21, 2012Date of Patent: May 6, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Takeshi Fukunaga
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Patent number: 8716738Abstract: A semiconductor light-emitting device includes a light emitting structure on a substrate. The light emitting structure includes a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer. A plurality of transparent layers is disposed on the light emitting structure. A metal layer is disposed between the plurality of transparent layers. An electrode is electrically connected to the metal layer and contacts a portion of the metal layer.Type: GrantFiled: July 3, 2012Date of Patent: May 6, 2014Assignee: LG Innotek Co., Ltd.Inventor: Jung Hyeok Bae
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Patent number: 8716720Abstract: A method for manufacturing a photocoupler includes: mounting light emitting devices and light receiving devices on a lead frame sheet; positioning the lead frame sheet with respect to a die by cutting off the one set of column portions from a linking portion and inserting a first pilot pin formed on the die into a second pilot hole; opposing the light emitting devices and the light receiving devices to each other; connecting the light emitting side coupling bars and the light receiving side coupling bars to each other on the die; forming a resin body so as to cover a pair of the light emitting device and the light receiving device; and cutting off the light emitting side lead frame portion from the light emitting column portion and cutting off the light receiving side lead frame portion from the light receiving column portion.Type: GrantFiled: May 18, 2012Date of Patent: May 6, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Teruo Takeuchi, Atsushi Takeshita
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Patent number: 8710513Abstract: A light-emitting device package and a method of manufacturing the light-emitting device package. The light-emitting device package includes a wiring substrate; a Zener diode mounted on a first region of the wiring substrate; a light-emitting device chip mounted on the first region and a second region of the wiring substrate; and a molding member for fixing at least a portion of the wiring substrate, wherein the Zener diode is embedded in the molding member.Type: GrantFiled: February 3, 2012Date of Patent: April 29, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol-jun Yoo, Young-hee Song
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Patent number: 8710514Abstract: A light emitting die package is provided which includes a metal substrate having a first surface and a first conductive lead on the first surface. The first conductive lead is insulated from the substrate by an insulating film. The first conductive lead forms a mounting pad for mounting a light emitting device. The package includes a metal lead electrically connected to the first conductive lead and extending away from the first surface.Type: GrantFiled: May 25, 2012Date of Patent: April 29, 2014Assignee: Cree, Inc.Inventors: Peter Scott Andrews, Ban P. Loh
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Patent number: 8704248Abstract: Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.Type: GrantFiled: September 11, 2013Date of Patent: April 22, 2014Assignee: University of Seoul Industry Cooperation FoundationInventor: Doyeol Ahn
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Patent number: 8698168Abstract: A method of crystal growth is provided which can suppress development of dislocations and cracks and a warp in a substrate. The method of crystal growth of a group III nitride semiconductor has: a step of heating a silicon substrate; and a step of forming a depressed structure on the substrate surface by advance-feeding onto the heated silicon substrate a gas containing at least TMA (trimethylaluminum).Type: GrantFiled: March 3, 2011Date of Patent: April 15, 2014Assignees: Sharp Kabushiki Kaisha, The Ritsumeikan TrustInventors: Yoshihiro Ueta, Masataka Ohta, Yoshinobu Aoyagi, Misaichi Takeuchi
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Patent number: 8697461Abstract: There is provided a manufacturing method of an LED module including: forming an insulating film on a substrate; forming a first ground pad and a second ground pad separated from each other on the insulating film; forming a first division film that fills a space between the first and second ground pads, a second division film deposited on a surface of the first ground pad, and a third division film deposited on a surface of the second ground pad; forming a first partition layer of a predetermined height on each of the division films; sputtering seed metal to the substrate on which the first partition layer is formed; forming a second partition layer of a predetermined height on the first partition layer; forming a first mirror connected with the first ground pad and a second mirror connected with the second ground pad by performing a metal plating process to the substrate on which the second partition layer is formed; removing the first and second partition layers; connecting a zener diode to the first mirrorType: GrantFiled: March 18, 2011Date of Patent: April 15, 2014Assignee: Daewon Innost Co., Ltd.Inventors: Won Sang Lee, Young Keun Kim
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Patent number: 8698191Abstract: Ultraviolet light emitting illuminator, and method for fabricating same, comprises an array of ultraviolet light emitting diodes and a first and second terminal. When an alternating current is applied across the first and second terminals and thus to each of the diodes, the illuminator emits ultraviolet light at a frequency corresponding to that of the alternating current. The illuminator includes a template with ultraviolet light emitting quantum wells, a first buffer layer with a first type of conductivity and a second buffer layer with a second type of conductivity, all deposited preferably over strain-relieving layer. A first and second metal contact are applied to the semiconductor layers having the first and second type of conductivity, respectively, to complete the LED. The emission spectrum ranges from 190 nm to 369 nm. The illuminator may be configured in various materials, geometries, sizes and designs.Type: GrantFiled: May 20, 2013Date of Patent: April 15, 2014Assignee: Nitek, Inc.Inventors: Asif Khan, Vinod Adivarahan, Qhalid Fareed
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Patent number: 8698197Abstract: The present invention is directed to a position sensing detector made of a photodiode having a semi insulating substrate layer; a buffered layer that is formed directly atop the semi-insulating substrate layer, an absorption layer that is formed directly atop the buffered layer substrate layer, a cap layer that is formed directly atop the absorption layer, a plurality of cathode electrodes electrically coupled to the buffered layer or directly to the cap layer, and at least one anode electrode electrically coupled to a p-type region in the cap layer. The position sensing detector has a photo-response non-uniformity of less than 2% and a position detection error of less than 10 ?m across the active area.Type: GrantFiled: February 13, 2013Date of Patent: April 15, 2014Assignee: OSI Optoelectronics, Inc.Inventors: Peter Steven Bui, Narayan Dass Taneja
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Patent number: 8698270Abstract: A semiconductor light receiving device includes: a substrate having a rectangular shape with first through fourth corners, a multilayer structure formed on the substrate, a light receiving part having a mesa structure positioned at a first corner side from a center part of the rectangular shape of the substrate, a first electrode pad provided on the semiconductor substrate, and a second electrode pad provided on the semiconductor substrate so as to be close to a second corner diagonally opposite to the first corner, a first minimum distance between the second electrode pad and an edge of the substrate being longer than a second minimum distance between the first electrode pad and the edge of the substrate.Type: GrantFiled: May 27, 2011Date of Patent: April 15, 2014Assignee: Sumitomo Electric Device Innovations, Inc.Inventor: Ryuji Yamabi
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Patent number: 8692281Abstract: This invention relates to the thermal management, extraction of light, and cost effectiveness of Light Emitting Diode, or LED, electrical circuits. An integrated circuit LED submount is described, for the packaging of high power LEDs. The LED submount provides high thermal conductivity while preserving electrical insulation. In particular, a process is described for anodizing a high thermal conductivity aluminum alloy sheet to form a porous aluminum oxide layer and a non-porous aluminum oxide layer. This anodized aluminum alloy sheet acts as a superior electrical insulator, and also provides surface morphology and mechanical properties that are useful for the fabrication of high-density and high-power multilevel electrical circuits.Type: GrantFiled: October 12, 2011Date of Patent: April 8, 2014Assignee: DiCon Fiberoptics Inc.Inventors: Wen-Herng Su, Junying Lu, Ho-Shang Lee
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Patent number: 8692262Abstract: Disclosed is an LED package. The LED package includes a package body, a first frame and a second frame on the package body and a light emitting device chip on the first frame. The first frame is separated from the second frame, and the first frame includes a bottom frame on the package body and at least two sidewall frames extending from the bottom frame and inclined with respect to the bottom frame.Type: GrantFiled: August 23, 2013Date of Patent: April 8, 2014Assignee: LG Innotek Co., Ltd.Inventors: Sung Min Kong, Choong Youl Kim, Hee Seok Choi
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Patent number: 8692273Abstract: The present application is to provide a light-emitting device comprising a metal reflective layer; a first transparent conductive oxide layer having a first refractive index; a second transparent conductive oxide layer having a second refractive index different from the first refractive index, and being between the metal reflective layer and the first transparent conductive oxide layer; and a light-emitting stack layer electrically connected to the second transparent conductive oxide layer substantially through the first transparent conductive layer; wherein there is no light absorbing material between the metal reflective layer and the first transparent conductive oxide layer.Type: GrantFiled: March 26, 2012Date of Patent: April 8, 2014Assignee: Epistar CorporationInventors: Jin-Ywan Lin, Ya-Lang Yang
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Publication number: 20140091326Abstract: A semiconductor proximity sensor (100) has a flat leadframe (110) with a first (110a) and a second (110b) surface, the second surface being solderable; the leadframe includes a first (111) and a second (112) pad, a plurality of leads (113, 114), and fingers (115, 118) framing the first pad, the fingers spaced from the first pad by a gap (116) which is filled with a clear molding compound. A light-emitting diode (LED) chip (120) is assembled on the first pad and encapsulated by a first volume (140) of the clear compound, the first volume outlined as a first lens (141). A sensor chip (130) is assembled on the second pad and encapsulated by a second volume (145) of the clear compound, the second volume outlined as a second lens (146). Opaque molding compound (150) fills the space between the first and second volumes of clear compound, forms shutters (151) for the first and second lenses, and forms walls rising from the frame of fingers to create an enclosed cavity for the LED.Type: ApplicationFiled: July 30, 2013Publication date: April 3, 2014Inventors: Andy Quang Tran, Lance Wright
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Patent number: 8686461Abstract: A light emitting diode (LED) die includes a first substrate having a first surface and an opposing second surface; a second substrate on the second surface of the first substrate; a p-type semiconductor layer on the first surface of the first substrate; a multiple quantum well (MQW) layer on the p-type semiconductor layer configured to emit light; and an n-type semiconductor layer on the multiple quantum well (MQW) layer.Type: GrantFiled: December 14, 2011Date of Patent: April 1, 2014Assignee: SemiLEDS Optoelectronics Co., Ltd.Inventors: Jiunn-Yi Chu, Chen-Fu Chu, Chao-Chen Cheng
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Patent number: 8680540Abstract: The optical semiconductor apparatus includes, on an n-GaAs substrate, a surface-emitting semiconductor laser device and a photodiode integrated on the periphery of the laser device with an isolation region interposed there between. The laser device is composed of an n-DBR mirror, an active region, and a p-DBR mirror and includes a columnar layered structure with its sidewall covered with an insulating film. The photodiode is formed on the substrate and has a circular layered structure wherein an i-GaAs layer and a p-GaAs layer surrounds the laser device with an isolating region interposed between the i-GaAs and p-GaAs layers and the laser device. The diameter of the photodiode is smaller than the diameter of the optical fiber core optically coupled with the optical semiconductor apparatus. Since the laser device and the photodiode are monolithically integrated, the devices do not require optical alignment, and thus, facilitate optical coupling with an optical fiber.Type: GrantFiled: January 3, 2007Date of Patent: March 25, 2014Assignee: Sony CorporationInventors: Hironobu Narui, Tomonori Hino, Nobukata Okano, Jugo Mitomo
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Patent number: 8680586Abstract: A semiconductor light emitting device including: a substrate made of GaAs; and a semiconductor layer formed on the substrate, in which part of the substrate on a side opposite to the semiconductor layer is removed by etching so that the semiconductor light emitting device has a thickness of not more than 60 ?m.Type: GrantFiled: January 4, 2008Date of Patent: March 25, 2014Assignee: ROHM Co., Ltd.Inventors: Tadahiro Hosomi, Kentaro Mineshita
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Patent number: 8679868Abstract: An improved bifacial solar cell is disclosed. In some embodiments, the front side includes an n-type field surface field, while the back side includes a p-type emitter. In other embodiments, the p-type emitter is on the front side. To maximize the diffusion of majority carriers and lower the series resistance between the contact and the substrate, the regions beneath the metal contacts are more heavily doped. Thus, regions of higher dopant concentration are created in at least one of the FSF or the emitter. These regions are created through the use of selective implants, which can be performed on one or two sides of the bifacial solar cell to improve efficiency.Type: GrantFiled: October 1, 2013Date of Patent: March 25, 2014Assignee: Varian Semiconductor Equipment Associates, Inc.Inventors: Atul Gupta, Nicholas P. T. Bateman
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Publication number: 20140070101Abstract: An optical path of infrared rays (see the broken lines in FIG. 1) is modified to a substantially U-like shape by a first reflecting mirror and a second reflecting mirror. An incidence angle of the infrared rays incident on the wavelength filter (an angle between the infrared rays incident on the surface of the wavelength filter and the line perpendicular to the surface of the wavelength filter) is nearly zero. For this reason, as compared with a conventional example, the influence of the incidence angle dependence of the wavelength filter can be reduced. As a result, the amount of the infrared rays reaching the light receiving unit through the wavelength filter is increased, thereby suppressing a decline in the detection accuracy of the gas component.Type: ApplicationFiled: April 5, 2012Publication date: March 13, 2014Applicant: PANASONIC CORPORATIONInventors: Shunsuke Matsushima, Eiichi Furukubo
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Patent number: 8669581Abstract: Provided is a light emitting device package, which includes a ceramic body, an ultraviolet light emitting diode, a support member, and a glass film. The ceramic body defines a cavity. The ultraviolet light emitting diode is disposed within the cavity. The support member is disposed on the body, and surrounds the cavity. The glass film is coupled to the support member, and covers the cavity. Since the light emitting device package includes the ceramic body to efficiently dissipate heat, and the glass film is directly attached to the ceramic body to decrease the number of components, thereby simplifying the manufacturing process thereof, and reducing the manufacturing costs thereof.Type: GrantFiled: January 13, 2012Date of Patent: March 11, 2014Assignee: LG Innotek Co., Ltd.Inventors: Jung Su Jung, Byung Mok Kim, Yu Dong Kim, Gun Kyo Lee
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Patent number: 8664656Abstract: Methods and devices for embedding semiconductors in printed circuit boards (PCBs) are provided. In one example, a method of manufacturing a PCB having a die assembly embedded therein includes removing a release film from an adhesive layer of the die assembly. The method also includes disposing the die assembly on a first layer of the PCB such that the adhesive layer contacts the first layer of the PCB. The method includes disposing a second layer of the PCB over the first layer such that the die assembly is within an intermediate portion between the first layer and the second layer. The method also includes filling the intermediate portion with resin and subjecting the PCB to a press cycle to cure the resin.Type: GrantFiled: October 4, 2012Date of Patent: March 4, 2014Assignee: Apple Inc.Inventors: Shawn X. Arnold, Dennis Pyper
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Patent number: 8664683Abstract: A method for providing, on a carrier (40), an insulative spacer layer (26) which is patterned such that a cavity (27) is formed which enables connection of an optical semiconductor element (41) to the intended conductor structure (22) when placed inside the cavity (27). The cavity (27) is formed such that it, through its shape, extension and/or depth, accurately defines a location of an optical element (45; 61) in relation to the optical semiconductor element (41). Through the provision of such a patterned insulative spacer layer, compact and cost-efficient optical semiconductor devices can be mass-produced based on such a carrier without the need for prolonged development or acquisition of new and expensive manufacturing equipment.Type: GrantFiled: December 14, 2007Date of Patent: March 4, 2014Assignee: Koninklijke Philips N.V.Inventor: Gerardus Henricus Franciscus Willebrordus Steenbruggen
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Patent number: 8659033Abstract: A light-emitting diode (LED) device is provided. The LED device has raised semiconductor regions formed on a substrate. LED structures are formed over the raised semiconductor regions such that bottom contact layers and active layers of the LED device are conformal layers. The top contact layer has a planar surface. In an embodiment, the top contact layers are continuous over a plurality of the raised semiconductor regions while the bottom contact layers and the active layers are discontinuous between adjacent raised semiconductor regions.Type: GrantFiled: October 6, 2011Date of Patent: February 25, 2014Assignee: TSMC Solid State Lighting Ltd.Inventors: Chen-Hua Yu, Wen-Chih Chiou, Ding-Yuan Chen, Chia-Lin Yu, Hung-Ta Lin
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Patent number: 8653539Abstract: In accordance with certain embodiments, an illumination system comprising a plurality of power strings features elements facilitating compensation for failure of one or more light-emitting elements connected along each power string.Type: GrantFiled: July 15, 2011Date of Patent: February 18, 2014Assignee: Cooledge Lighting, Inc.Inventors: Michael Tischler, Philippe Schick, Calvin Wade Sheen, Paul Jungwirth
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Patent number: 8653540Abstract: An optoelectronic semiconductor body includes a semiconductor layer sequence which has an active layer suitable for generating electromagnetic radiation, and a first and a second electrical connecting layer. The semiconductor body is provided for emitting electromagnetic radiation from a front side. The first and the second electrical connecting layer are arranged at a rear side opposite the front side and are electrically insulated from one another by means of a separating layer. The first electrical connecting layer, the second electrical connecting layer and the separating layer laterally overlap and a partial region of the second electrical connecting layer extends from the rear side through a breakthrough in the active layer in the direction of the front side. Furthermore, a method for producing such an optoelectronic semiconductor body is specified.Type: GrantFiled: April 12, 2013Date of Patent: February 18, 2014Assignee: OSRAM Opto Semiconductors GmbHInventors: Karl Engl, Patrick Rode, Lutz Hoeppel, Matthias Sabathil
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Publication number: 20140034972Abstract: A housing for optoelectronic components, such as LEDs, and to a method for producing such a housing are provided. The housing has a base body with an upper surface that at least partially defines a mounting area for at least one optoelectronic functional element, such that the base body provides a heat sink for an optoelectronic functional element. The base body also has a lower surface and a lateral surface. The housing has a connecting body for the optoelectronic functional element, which is joined to the base body at least by a glass layer. The connecting body is arranged at a lateral side of the base body and at least partially extends around a periphery of the base body.Type: ApplicationFiled: March 5, 2012Publication date: February 6, 2014Applicant: SCHOTT AGInventors: Robert Hettler, Matthias Rindt
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Patent number: 8643033Abstract: A light emitting device includes a substrate elongated in a lengthwise direction; a plurality of LED chips disposed on the substrate in an intermediate region in widthwise direction, and aligned along the lengthwise direction at a distance of 80 ?m or less; and interconnection wirings formed on regions outside the intermediate region in the widthwise direction; wherein each of the LED chips has a p-side electrode disposed on the substrate, a p-type semiconductor layer disposed on the p-side electrode, an active layer formed on the p-type semiconductor layer, and an n-type semiconductor layer formed on the active layer, and has a region in which the n-type semiconductor layer, the active layer, and the p-type semiconductor layer are patterned, and an n-side electrode formed selectively on a surface of the n-type semiconductor layer and connected to the p-side electrode of an adjacent LED chip through the interconnection wiring.Type: GrantFiled: March 13, 2013Date of Patent: February 4, 2014Assignee: Stanley Electric Co., Ltd.Inventors: Tatsuma Saito, Mamoru Miyachi
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Patent number: 8637891Abstract: A light-emitting device includes first and second semiconductor layers and a light-emitting layer between the first and second semiconductor layers. The light-emitting device also includes an improved electrode structures.Type: GrantFiled: May 27, 2009Date of Patent: January 28, 2014Assignee: Toshiba Techno Center Inc.Inventors: Steven D. Lester, Chao-Kun Lin
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Patent number: 8633498Abstract: A display substrate includes a base substrate, a data line, a gate line, a switching element, a self assembled monolayer (SAM) and a pixel electrode. The data line is formed on the base substrate. The gate line is formed across the data line. The switching element includes a source electrode electrically connected to the data line, a drain electrode spaced apart from the source electrode, a semiconductor pattern covering the source and drain electrodes, and a gate electrode electrically connected to the gate line and facing the semiconductor pattern. The SAM is disposed around the semiconductor pattern and a conductive pattern including the data line. The pixel electrode is electrically connected to the switching element.Type: GrantFiled: May 20, 2011Date of Patent: January 21, 2014Assignee: Samsung Display Co., Ltd.Inventors: Tae-Young Choi, Kang-Moon Jo, Bo-Sung Kim, Young-Min Kim
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Patent number: 8629347Abstract: Novel structures of photovoltaic cells (also known as solar cells) are provided. The Cells are based on the nanometer-scaled wire, tubes, and/or rods, which are made of the electronics materials covering semiconductors, insulator or metallic in structure. These photovoltaic cells have large power generation capability per unit physical area over the conventional cells. These cells can have also high radiation tolerant capability. These cells will have enormous applications such as in space, in commercial, residential and industrial applications.Type: GrantFiled: September 30, 2012Date of Patent: January 14, 2014Assignee: Banpil Photonics, Inc.Inventors: Nobuhiko P. Kobayashi, Achyut K. Dutta
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Patent number: 8628984Abstract: A package system includes a substrate having at least one first thermally conductive structure through the substrate. At least one second thermally conductive structure is disposed over the at least one first thermally conductive structure. At least one light-emitting diode (LED) is disposed over the at least one second thermally conductive structure.Type: GrantFiled: February 15, 2013Date of Patent: January 14, 2014Assignee: TSMC Solid State Lighting Ltd.Inventor: Chung Yu Wang
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Patent number: 8624268Abstract: A light emitting device package is provided. The light emitting device package comprises a substrate comprising a plurality of protrusions, an insulating layer on the substrate, a metal layer on the insulating layer, and a light emitting device on the substrate electrically connected to the metal layer.Type: GrantFiled: July 23, 2008Date of Patent: January 7, 2014Assignee: LG Innotek Co., Ltd.Inventors: Bum Chul Cho, Jin Soo Park
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Patent number: 8624108Abstract: Novel structures of photovoltaic cells (also treated as solar cells) are provided. The cells are based on nanometer-scaled wires, tubes, and/or rods, which are made of electronic materials covering semiconductors, insulators or metallic in structure. These photovoltaic cells have large power generation capability per unit physical area over the conventional cells. These cells will have enormous applications in space, commercial, residential, and industrial applications.Type: GrantFiled: October 8, 2012Date of Patent: January 7, 2014Assignee: Banpil Photonics, Inc.Inventor: Achyut K. Dutta
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Patent number: 8624107Abstract: Novel structures of photovoltaic cells (also known as solar cells) are provided. The Cells are based on the nanometer-scaled wire, tubes, and/or rods, which are made of the electronics materials covering semiconductors, insulator or metallic in structure. These photovoltaic cells have large power generation capability per unit physical area over the conventional cells. These cells can have also high radiation tolerant capability. These cells will have enormous applications such as in space, in commercial, residential and industrial applications.Type: GrantFiled: September 30, 2012Date of Patent: January 7, 2014Assignee: Banpil Photonics, Inc.Inventors: Nobuhiko P. Kobayashi, Achyut K. Dutta
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Patent number: 8614446Abstract: A semiconductor device includes a semiconductor layer (1) containing GaN and an electrode. The electrode includes an electrode main body (6), a connection-use electrode (8) containing Al and formed at a position farther from the semiconductor layer (1) than the electrode main body (6), and a barrier layer (7) formed between the electrode main body (6) and the connection-use electrode (8), the barrier layer (7) containing at least one selected from the group consisting of W, TiW, WN, TiN, Ta, and TaN. A surface roughness RMS of the barrier layer (7) is 3.0 nm or less.Type: GrantFiled: December 25, 2009Date of Patent: December 24, 2013Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tomihito Miyazaki, Makoto Kiyama, Taku Horii
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Patent number: 8610134Abstract: A light emitting diode (LED) package may include a base, at least one light emitting die on the base, and a flextape on the base. The flextape includes at least one metal trace connected to the light emitting die. In a method of manufacturing the LED package, the base may be formed so as to include a basin and at least one light emitting die may be placed within the basin. The flextape may be provided to include at least one metal trace that is electrically connected to the light emitting die.Type: GrantFiled: June 29, 2006Date of Patent: December 17, 2013Assignee: Cree, Inc.Inventor: Peter Andrews
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Patent number: 8610135Abstract: A frame body surrounding a perimeter of each light-emitting element is provided one surface of a substrate. Glass films having apertures are formed on the substrate by glass printing to form the frame body.Type: GrantFiled: October 14, 2011Date of Patent: December 17, 2013Assignees: Stanley Electric Co., Ltd., Nippon Carbide Industries Co., Inc.Inventors: Dai Aoki, Makoto Ida, Shigehiro Kawaura
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Patent number: 8610143Abstract: An object of the present invention is to provide a light emitting device that has high output power and long service life where a package is suppressed from discoloring due to heat generation. The light emitting device 1 of the present invention contains a light emitting element 10, a package 40 formed of a thermosetting resin, the package having a recess 43 wherein the light emitting element 10 is mounted, a first lead electrode 20 which is exposed at the bottom of the recess 43 of the package 40 and whereon the light emitting element 10 is mounted, and a second lead electrode 30 which is exposed at the bottom of the recess 43 of the package 40 and is electrically connected to the light emitting element 10. The light emitting element 10 is bonded to the first lead electrode 20 through a eutectic layer 70, and at least a surface of the first electrode 20 is coated with an Ag film 22, a thickness of the Ag film 22 being in the range from 0.5 ?m to 20 ?m.Type: GrantFiled: March 7, 2008Date of Patent: December 17, 2013Assignee: Nichia CorporationInventor: Masaki Hayashi