Encapsulation (epo) Patents (Class 257/E33.059)
  • Patent number: 8237189
    Abstract: A heat-curable silicone resin-epoxy resin composition that is ideal as a premolded package for a high-brightness LED or solar cell. The composition contains (A) a heat-curable silicone resin, (B) a combination of a triazine derivative epoxy resin and an acid anhydride, or a prepolymer obtained by reaction of them, (C) an inorganic filler, and (D) a curing accelerator. The composition exhibits excellent curability, and yields a uniform cured product that displays excellent retention of heat resistance and light resistance over long periods of time, and suffers minimal yellowing.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: August 7, 2012
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yusuke Taguchi, Toshio Shiobara
  • Publication number: 20120193671
    Abstract: A light-emitting diode device and a method for manufacturing the same are described. The light-emitting diode device includes a metal heat dissipation bulk, a frame, a light-emitting diode chip and a package encapsulant. The metal heat dissipation bulk includes a curve protrusion ring. The frame is disposed on the metal heat dissipation bulk outside the curve protrusion ring. The frame includes at least two electrode pads respectively disposed at two sides of the curve protrusion ring. The light-emitting diode chip is disposed on the metal heat dissipation bulk in an inner side of the curve protrusion ring. The light-emitting diode chip has a first electrode and a second electrode of different conductivity types, and the first electrode and the second electrode are electrically connected to the electrode pads respectively. The package encapsulant encapsulates the light-emitting diode chip, the curve protrusion ring, and a portion of each electrode pad.
    Type: Application
    Filed: February 1, 2012
    Publication date: August 2, 2012
    Applicant: CHI MEI LIGHTING TECHNOLOGY CORP.
    Inventor: Chu-Mo CHIEN
  • Publication number: 20120193668
    Abstract: A light emitting device including a light emitting structure having a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; a first electrode on the light emitting structure; and a photon escape layer on the light emitting structure. Further, the photon escape layer has a refractive index that is between a refractive index of the light emitting structure and a refractive index of an encapsulating material with respect to the light emitting structure such that an escape probability for photons emitted by the light emitting structure is increased.
    Type: Application
    Filed: April 4, 2012
    Publication date: August 2, 2012
    Inventor: Hyun Don SONG
  • Publication number: 20120193662
    Abstract: A light emitting device includes a mounting substrate having a reflective layer that defines spaced apart anode and cathode pads, and a gap between them. A light emitting diode die is flip-chip mounted on the mounting substrate, such that the anode contact of the LED die is bonded to the anode pad and the cathode contact of the LED die is bonded to the cathode pad. A lens extends from the mounting substrate to surround the LED die. The reflective layer extends on the mounting substrate to cover substantially all of the mounting substrate that lies beneath the lens, excluding the gap, and may also extend beyond the lens.
    Type: Application
    Filed: July 8, 2011
    Publication date: August 2, 2012
    Inventors: Matthew Donofrio, John Adam Edmond, Peter Scott Andrews, David Der Chi Chang
  • Publication number: 20120193667
    Abstract: Disclosed herein is a method for controlling the fluidity of a phosphor, a phosphor and a phosphor paste, the method comprising the steps of: treating the surface of a phosphor with a silane compound comprising a double bond; and polymerizing the monomer on the surface of the phosphor to form a polymer membrane thereon. The phosphor having the polymer membrane formed thereon exhibits significantly stabilized fluidity within a polymer encapsulant.
    Type: Application
    Filed: April 4, 2012
    Publication date: August 2, 2012
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seong Jae CHOI, Dong Kee YI, Seon Mi YOON, Hyeon Jin SHIN, Jae Young CHOI
  • Publication number: 20120196393
    Abstract: A packaging method of wafer level chips including following steps is provided. First, a plurality of chips attached on a first film is provided, and the chips on the first film are disposed respectively corresponding to a plurality of electrode patterns of a substrate. Then, a phosphor layer is respectively formed on at least one surface of each of the chips. Next, a second film is disposed on the phosphor layers, and the second film is opposite to the first film. Further, the first film is removed from the base surface of each of the chips. Then, the base surfaces of the chips are attached to the substrate. Afterward, each of the chips is electrically connected with the corresponding electrode pattern through a wire bonding. Finally, a packaging gel is provided to cover each of the chips, and the packaging gel is solidified.
    Type: Application
    Filed: June 22, 2011
    Publication date: August 2, 2012
    Applicant: HIMAX TECHNOLOGIES LIMITED
    Inventor: Sin-Hua Ho
  • Patent number: 8232578
    Abstract: A light emitting semiconductor device includes a base substrate; a light emitting semiconductor element including a crystal growth basis and provided on the base substrate so that the crystal growth basis faces in opposite direction to the base substrate; a first transparent sealing medium which seals the light emitting semiconductor on the base substrate; and a second transparent sealing medium which seals the light emitting semiconductor over the first transparent sealing medium and contains phosphor. A thickness of the second sealing medium in a portion with high emission intensity is larger than that of the other portion of the first sealing medium; and the portion with high emission intensity is defined as a portion where light emission intensity from the light emitting semiconductor element is maximum.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: July 31, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Shigeo Takeda, Hiroyuki Tajima, Shota Shimonishi, Yosuke Tsuchiya
  • Publication number: 20120187439
    Abstract: The invention relates to a light-absorbing or light-emitting solar cell assembly and also a solar cell arrangement which is constructed from 2 to 10,000 of the solar cell assemblies according to the invention.
    Type: Application
    Filed: July 19, 2010
    Publication date: July 26, 2012
    Applicant: Frauhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Armin Bösch, Joachim Jaus, Andreas Bett, Gerhard Peharz, Peter Nitz, Thomas Schmidt
  • Publication number: 20120187436
    Abstract: A light emitting diode (LED) device includes a substrate, a supporting member, an electrode layer, an LED chip and an encapsulant. The substrate has a first surface and a second surface. The substrate defines a hole extending through the first surface and the second surface. The supporting member is attached to the second surface of the substrate and covers the hole. The supporting member and the substrate cooperatively define a cavity. The electrode layer is arranged on the first surface of the substrate and an inner surface of the cavity. The encapsulant is arranged on the electrode layer and covers the LED chip.
    Type: Application
    Filed: November 29, 2011
    Publication date: July 26, 2012
    Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: PIN-CHUAN CHEN, HSIN-CHIANG LIN, WEN-LIANG TSENG
  • Publication number: 20120187437
    Abstract: A light-emitting device package having improved connection reliability of a bonding wire, heat dissipation properties, and light quality due to post-molding and a method of manufacturing the light-emitting device package. The light-emitting device package includes, for example, a wiring substrate having an opening; a light-emitting device that is disposed on the wiring substrate and covers the opening; a bonding wire electrically connecting a bottom surface of the wiring substrate to a bottom surface of the light-emitting device via the opening; a molding member that surrounds a side surface of the light-emitting device and not a top surface of the light-emitting device, which is an emission surface, is formed on a portion of a top surface of the wiring substrate, and is formed in the opening of the wiring substrate to cover the bonding wire; and a solder resist and a bump formed on the bottom surface of the wiring substrate.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 26, 2012
    Inventors: Cheol-jun YOO, Young-hee SONG
  • Publication number: 20120187448
    Abstract: Glass is provided which is capable of covering at a covering treatment temperature of at most 400° C. and which has a low thermal expansion coefficient and excellent weather resistance. Glass comprising, as represented by mol % based on oxides, from 29% to 33% of P2O5, from 43% to 58% of SnO, from 11% to 25% of ZnO, from 0.1% to 2% of Ga2O3, from 0.5% to 5% of CaO, and from 0% to 1% of SrO, provided that the sum X of ZnO, Ga2O3 and CaO is within a range of from 13% to 27%, as represented by mol % based on oxides.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 26, 2012
    Applicant: Asahi Glass Company, Limited
    Inventor: Syuji MATSUMOTO
  • Patent number: 8227822
    Abstract: A light emitting diode apparatus comprises a substrate having a circuit pattern, a reflection layer disposed on the substrate, at least one light emitting element disposed on the reflection layer, a reflector disposed around the at t one light emitting element, a sealing material formed over the at least one light emitting element and a phosphor layer disposed over the sealing material. The light emitting element comprises a conductive portion electrically coupled to the circuit pattern. In one embodiment, a plurality of light emitting elements are linearly arrayed, and a spacer is disposed between every two adjacent light emitting elements.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: July 24, 2012
    Assignee: AU Optronics Corporation
    Inventors: Chun Chang Hung, Tung Liang Shao, Falcon Lin
  • Patent number: 8227269
    Abstract: A method of manufacturing a light emitting device comprises: a) depositing over substantially the entire surface of a LED diode wafer having an array of LEDs formed on a surface thereof a mixture of at least one phosphor material and a polymer material, wherein the polymer material is transmissive to light generated by the LEDs and to light generated by the at least one phosphor material; b) mechanically stamping the phosphor/polymer mixture with a stamp having features configured such as to form passages in the phosphor/polymer corresponding to electrode contact pads of each LED thereby enabling access to each electrode contact pad; c) curing the polymer; d) removing the stamp; and e) dividing the LED wafer into individual light emitting devices. The stamp comprises a dissolvable material (polyvinyl alcohol) and the stamp is removed by dissolving it using a solvent (e.g. water).
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: July 24, 2012
    Assignee: Intematix Corporation
    Inventors: Geng Chen, Jonathan Melman
  • Patent number: 8227271
    Abstract: A packaging method of wafer level chips including following steps is provided. First, a plurality of chips attached on a first film is provided, and the chips on the first film are disposed respectively corresponding to a plurality of electrode patterns of a substrate. Then, a phosphor layer is respectively formed on at least one surface of each of the chips. Next, a second film is disposed on the phosphor layers, and the second film is opposite to the first film. Further, the first film is removed from the base surface of each of the chips. Then, the base surfaces of the chips are attached to the substrate. Afterward, each of the chips is electrically connected with the corresponding electrode pattern through a wire bonding. Finally, a packaging gel is provided to cover each of the chips, and the packaging gel is solidified.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: July 24, 2012
    Assignee: Himax Technologies Limited
    Inventor: Sin-Hua Ho
  • Patent number: 8227827
    Abstract: A light emitting device includes a leadframe, a light emitting unit, a transparent encapsulant, and a fluorescent colloid layer. The light emitting unit is disposed on the leadframe. The transparent encapsulant covers the light emitting unit, wherein the transparent encapsulant has a concave on which at least one reflective surface is disposed. The fluorescent colloid layer is disposed outside the transparent encapsulant, wherein a chamber is formed between the fluorescent colloid layer and the transparent encapsulant. The light generated by the light emitting unit is reflected by the reflective surface and guided to a side wall of the fluorescent colloid layer.
    Type: Grant
    Filed: November 18, 2010
    Date of Patent: July 24, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Ming-Te Lin, Ming-Yao Lin, Kuang-Yu Tai
  • Patent number: 8227272
    Abstract: Disclosed is a light emitting device having a plurality of light emitting cells and a package having the same mounted thereon. The light emitting device includes a plurality of light emitting cells which are formed on a substrate and each of which has an N-type semiconductor layer and a P-type semiconductor layer located on a portion of the N-type semiconductor layer. The plurality of light emitting cells are bonded to a submount substrate. Accordingly, heat generated from the light emitting cells can be easily dissipated, so that a thermal load on the light emitting device can be reduced. Meanwhile, since the plurality of light emitting cells are electrically connected using connection electrodes or electrode layers formed on the submount substrate, it is possible to provide light emitting cell arrays connected to each other in series.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: July 24, 2012
    Assignee: Seoul Opto Device Co., Ltd.
    Inventors: Chung Hoon Lee, Lacroix Yves, Hyung Soo Yoon, Young Ju Lee
  • Patent number: 8227276
    Abstract: A method of manufacturing a light emitting device comprises: depositing over substantially the entire surface of a LED wafer having a array of LEDs formed on a surface thereof a mixture of at least one phosphor and a polymer material, wherein the polymer material is transmissive to light generated by the LEDs and to light generated by the at least one phosphor material; using laser ablation to selectively make apertures in the phosphor/polymer material corresponding to electrode contact pads of each LED thereby enabling access to each electrode contact pad; and dividing the wafer into individual light emitting devices. The method can further comprise, prior to dividing the wafer, cutting slots in the phosphor/polymer material which are configured to pass between individual LEDs. The slots are configured such that a layer of phosphor/polymer material remains on the edges of each LED after division of the wafer into individual light emitting devices.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: July 24, 2012
    Assignee: Intematix Corporation
    Inventor: Jonathan Melman
  • Publication number: 20120181555
    Abstract: Light-emitting device packages which may be manufactured using post-molding and with improved heat emission performance and optical quality, and methods of manufacturing the light-emitting device packages. The light-emitting device package includes: a heat dissipation pad; a light-emitting device formed on the heat dissipation pad; a pair of lead frames disposed to be spaced apart from each other at both sides of the light-emitting device and the heat dissipation pad; a molding member surrounding the side of the light-emitting device except for an emission surface of the light-emitting device; and bonding wires for electrically connecting the lead frames to the light-emitting device.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 19, 2012
    Inventors: Cheol-jun Yoo, Young-hee Song, Seong-deok Hwang, Sang-hyun Lee
  • Publication number: 20120181570
    Abstract: A semiconductor light emitting device and a fabrication method thereof are provided. The semiconductor light emitting device includes: a light-transmissive substrate including opposed first and second main planes and having prominences and depressions formed on at least one of the first and second main planes thereof; a light emitting structure formed on the first main plane of the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive layer; a first electrode structure connected to the first conductive semiconductor layer; a second electrode structure connected to the second conductive semiconductor layer.
    Type: Application
    Filed: January 10, 2012
    Publication date: July 19, 2012
    Applicant: SAMSUNG LED CO., LTD.
    Inventors: Hyung Duk KO, Yung Ho RYU, Tae Sung JANG
  • Publication number: 20120181565
    Abstract: A light emitting device comprises a flip-chip light emitting diode (LED) die mounted on a submount. The top surface of the submount has a reflective layer. Over the LED die is molded a hemispherical first transparent layer. A low index of refraction layer is then provided over the first transparent layer to provide TIR of phosphor light. A hemispherical phosphor layer is then provided over the low index layer. A lens is then molded over the phosphor layer. The reflection achieved by the reflective submount layer, combined with the TIR at the interface of the high index phosphor layer and the underlying low index layer, greatly improves the efficiency of the lamp. Other material may be used. The low index layer may be an air gap or a molded layer. Instead of a low index layer, a distributed Bragg reflector may be sputtered over the first transparent layer.
    Type: Application
    Filed: March 29, 2012
    Publication date: July 19, 2012
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Aurelien J. F. David, Rafael I. ALDAZ, Mark Butterworth, Serge J. Bierhuizen
  • Publication number: 20120175661
    Abstract: A semiconductor light emitting package includes a substrate, an encapsulating material, a semiconductor light emitting chip disposed on the substrate, wires; and an integrated glass-fluorescent powder compound light-emitting structure. The encapsulating material and the integrated glass-fluorescent powder compound light-emitting structure are packaged on the semiconductor light emitting chip, the integrated glass-fluorescent powder compound light-emitting structure is coated on the encapsulating material. The semiconductor light-emitting package has a large light-emitting area, high uniformity which can effectively avoid “halo” phenomenon, and long working life. The present invention also relates to a method for manufacturing semiconductor light emitting package, which can be implemented at low temperature and improve the reliability and the stability of the light-emitting property of the compound light-emitting structure.
    Type: Application
    Filed: September 25, 2009
    Publication date: July 12, 2012
    Inventors: Mingjie Zhou, Wenbo Ma, Guitang Chen, Chaopu Shi, Yanbo Qiao, Xi Luo
  • Publication number: 20120175671
    Abstract: The present invention relates to an improved glued light core for a light-emitting diode (LED), which provides an optical lamp body integrally formed on an upper end of an LED lead frame. In particular, the optical lamp body is designed as a glued structure with minimal epoxy, to simplify a complicated packaging operation in a conventional manufacturing process, to directly fasten a crystal cup, a crystal cell and a conductive gold wire to the upper end of the lead frame by the epoxy, and to provide illumination comparable to that of general light core. Additionally, a light-emitting housing is made of polychloroprene or plastic resin which is able to be applied or injected outside the glued light core, such that a light source inside the glued light core emits light beams through the light-emitting housing to form collection or stray lights of a special light source with multiple variations. Thus, the manufacturing process and multiple applications of the LED can be greatly simplified.
    Type: Application
    Filed: January 7, 2011
    Publication date: July 12, 2012
    Inventor: Han-Ming Lee
  • Publication number: 20120175665
    Abstract: A light-emitting device package includes: a package body on which a mount portion and a terminal portion are disposed; a light-emitting device chip that is mounted on the mount portion; and a bonding wire that electrically connects an electrode of the light-emitting device chip and the terminal portion. The bonding wire includes a rising portion that rises from the light-emitting device chip to a loop peak, and an extended portion that connects the loop peak and the terminal portion. A first kink portion, which is bent in a direction intersecting a direction in which the rising portion rises, is disposed on the rising portion.
    Type: Application
    Filed: September 25, 2011
    Publication date: July 12, 2012
    Applicant: SAMSUNG LED CO., LTD.
    Inventors: Jae-yun LIM, Kook-jin OH, Joon-gil LEE
  • Patent number: 8216864
    Abstract: A LED device includes a base structure having a receiving space, a light-emitting chip, an encapsulating structure, and a phosphor layer. The receiving space is defined by an inner bottom surface of the base structure and an inner side wall surrounding the inner bottom surface. The light-emitting chip is mounted on the bottom of the receiving space. The encapsulating structure is filled into the receiving space to cover the light-emitting chip. The phosphor layer is formed on the encapsulating structure. The dimension of the phosphor layer is more than the dimension of the receiving space and less than 1.5 times that of the receiving space, so as to mount on the top surface of the base structure.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: July 10, 2012
    Assignees: Silitek Electronic (Guangzhou) Co., Ltd., Lite-On Technology Corporation
    Inventors: Chia-Hao Wu, Tien-Yu Lee
  • Patent number: 8217414
    Abstract: Provided is a light emitting device wherein a resin molded body having a circular or an oval recessed section at the center suppresses generation of cracks. A light emitting device (1) is provided with a light emitting element (2); a first resin molded body (10) having a plurality of outer surfaces (11), and a recessed section (10a) at the center; a first lead (20) and a second lead (30) electrically connected to the light emitting element (2); and a second resin molded body (40) applied in the recessed section (10a). The light emitting element (2) is place on the first lead (20), and the surface of the second resin molded resin (40) is permitted to be a light emitting surface. A gate notch (50) obtained by cutting a gate formed on the outer surface (11) of the first resin molded body (10) is formed on an extended line of a normal line on one point on a circular cross-section of the recessed section (10a) in the normal nine direction.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: July 10, 2012
    Assignee: Nichia Corporation
    Inventor: Masaki Hayashi
  • Patent number: 8217482
    Abstract: Disclosed are various embodiments of an infrared proximity sensor package comprising an infrared transmitter die, an infrared receiver die, a housing comprising outer sidewalls, a first recess, a second recess and a partitioning divider disposed between the first and second recesses. The transmitter die is positioned in the first recess, the receiver die is positioned within the second recess, and at least the partitioning divider of the housing comprises liquid crystal polymer (LCP) such that infrared light internally-reflected within the housing in the direction of the partitioning divider is substantially attenuated or absorbed by the LCP contained therein.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: July 10, 2012
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Suresh Basoor, Peng Yam Ng, Deng Peng Chen
  • Publication number: 20120168781
    Abstract: An encapsulating composition for a light emitting element, a light emitting diode (LED) and a liquid crystal display device (LCD) are provided. A silicone-cured product included as a main ingredient and a conductivity-providing agent having excellent compatibility and capable of providing superior conductivity can be used to significantly reduce the surface resistivity of the silicone-cured product. Therefore, the encapsulating composition for a light emitting element, the LED and the LCD can be useful in solving the problems regarding attachment of a foreign substance such as dust due to static electricity, and degradation of transparency since the composition has low surface resistivity when used as a semiconductor encapsulation material for an LED, and also in providing a cured product having excellent properties such as light resistance, heat resistance, durability and optical transparency.
    Type: Application
    Filed: July 20, 2010
    Publication date: July 5, 2012
    Applicant: LG CHEM LTD.
    Inventors: Sang Ki Chun, In Seok Hwang, Dong-Wook Lee, Ji Young Hwang
  • Publication number: 20120168815
    Abstract: An encapsulation material and an electronic device, the encapsulation material including a resin, the resin including a first polysiloxane including hydrogen bonded with silicon (Si—H) at a terminal end thereof, and a second polysiloxane including an alkenyl group bonded with silicon (Si-Vi) at a terminal end thereof, a phosphor, and a density controlling agent, wherein a weight ratio of the density controlling agent to the phosphor is about 1.5:1 to about 10:1.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 5, 2012
    Inventors: Sang-Ran Koh, Yong Kook Kim, Woo-Han Kim, Ha Neul Kim, Chi Won An, Sung-Hwan Cha
  • Publication number: 20120168786
    Abstract: An optoelectronic semiconductor component comprising: a main body (100) having a recess; (102), a first optoelectronic element (104) and a second optoelectronic element; (106) a surface structured element; (110) and a filling compound (112) embedding the first optoelectronic element (104) and the second optoelectronic element (106) in the recess, wherein the surface structured element configures a surface of the filling compound (112) such that at least two domed regions (114, 116, 118) of the surface are formed.
    Type: Application
    Filed: August 25, 2010
    Publication date: July 5, 2012
    Applicant: OSRAM AG
    Inventors: Andreas Barth, Peter Brick, Michael Wittmann
  • Publication number: 20120168795
    Abstract: A light emitting diode (LED) package and the manufacturing method thereof are provided. The LED package comprises a substrate, at least one LED die, a lens and an in-mold decoration film, wherein the LED die is fixed on the substrate; the lens is convexly molded on the substrate to encapsulate the LED die; and the in-mold decoration film has at least one phosphor layer disposed on the lens and a surface treatment layer disposed on the phosphor layer.
    Type: Application
    Filed: April 18, 2011
    Publication date: July 5, 2012
    Applicant: Intematix Technology Center Corporation
    Inventor: Hong-Zhi LIU
  • Publication number: 20120168780
    Abstract: A resin for an encapsulation material includes a first polysiloxane including hydrogen bound to silicon (Si—H) at its terminal end, and a second polysiloxane including an alkenyl group bound to silicon (Si-Vi) at its terminal end, wherein a ratio (Si—H/Si-Vi) of hydrogen bound to silicon (Si—H) in the first polysiloxane to the alkenyl group bound to silicon (Si-Vi) in the second polysiloxane is about 1 to about 1.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 5, 2012
    Inventors: Sung-Hwan CHA, Sang-Ran KOH, Yong Kook KIM, Woo-Han KIM, Ha Neul KIM, Chi Won AN
  • Publication number: 20120168804
    Abstract: A light emitting diode package and a fabrication method thereof are provided. The light emitting diode package comprises a lead frame, having a frame body and a conductive layer covering the frame body. A reflector has a first portion and a second portion sandwiching the lead frame, wherein the first portion has a depression to expose the lead frame, and a light emitting diode chip is disposed on the lead frame in the depression. The fabrication method comprises forming a frame body and forming a conductive layer covering the frame body to form a lead frame. A first portion and a second portion of a reflector are formed to sandwich the lead frame, wherein the first portion has a depression to expose the lead frame. A light emitting diode chip is disposed on the lead frame in the depression.
    Type: Application
    Filed: March 7, 2012
    Publication date: July 5, 2012
    Applicant: EVERLIGHT ELECTRONICS CO., LTD.
    Inventor: Yu-Huan Liu
  • Publication number: 20120171789
    Abstract: A method of making a solid element device that includes a solid element, an element mount part on which the solid element is mounted and which has a thermal conductivity of not less than 100 W/mK, an external terminal provided separately from the element mount part and electrically connected to the solid element, and a glass sealing part directly contacting and covering the solid element for sealing the solid element, includes pressing a glass material at a temperature higher than a yield point of the glass material for forming the glass sealing part.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 5, 2012
    Applicants: SUMITA OPTICAL GLASS INC., TOYODA GOSEI CO., LTD.
    Inventors: Yoshinobu Suehiro, Mitsuhiro Inoue, Hideaki Kato, Kunihiro Hadame, Ryoichi Tohmon, Satoshi Wada, Koichi Ota, Kazuya Aida, Hiroki Watanabe, Yoshinori Yamamoto, Masaaki Ohtsuka, Naruhito Sawanobori
  • Publication number: 20120161195
    Abstract: An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and/or a viscosity modifier. In other exemplary embodiments a second solvent is also included, and the composition has a viscosity substantially between about 100 cps and about 25,000 cps at about 25° C. In an exemplary embodiment, a composition comprises: a plurality of diodes or other two-terminal integrated circuits; one or more solvents comprising about 15% to 99.9% of any of N-propanol, isopropanol, dipropylene glycol, diethylene glycol, propylene glycol, 1-methoxy-2-propanol, N-octanol, ethanol, tetrahydrofurfuryl alcohol, cyclohexanol, and mixtures thereof; a viscosity modifier comprising about 0.10% to 2.5% methoxy propyl methylcellulose resin or hydroxy propyl methylcellulose resin or mixtures thereof; and about 0.01% to 2.5% of a plurality of substantially optically transparent and chemically inert particles having a range of sizes between about 10 to about 50 microns.
    Type: Application
    Filed: August 31, 2011
    Publication date: June 28, 2012
    Applicant: NthDegree Technologies Worldwide Inc.
    Inventors: Mark David Lowenthal, William Johnstone Ray, Neil O. Shotton, Richard A. Blanchard, Mark Allan Lewandowski, Brad Oraw, Jeffrey Baldridge, Eric Anthony Perozziello
  • Publication number: 20120161196
    Abstract: An exemplary printable composition of a liquid or gel suspension of diodes comprises a plurality of diodes, a first solvent and/or a viscosity modifier. An exemplary apparatus comprises: a plurality of diodes; at least a trace amount of a first solvent; and a polymeric or resin film at least partially surrounding each diode of the plurality of diodes. Various exemplary diodes have a lateral dimension between about 10 to 50 microns and about 5 to 25 microns in height. Other embodiments may also include a plurality of substantially chemically inert particles having a range of sizes between about 10 to about 50 microns.
    Type: Application
    Filed: August 31, 2011
    Publication date: June 28, 2012
    Applicant: NthDegree Technologies Worldwide Inc.
    Inventors: Mark David Lowenthal, William Johnstone Ray, Neil O. Shotton, Richard A. Blanchard, Mark Allan Lewandowski, Brad Oraw, Jeffrey Baldridge, Eric Anthony Perozziello
  • Publication number: 20120160031
    Abstract: A sensor for sensing pressure is disclosed. The sensor may be a pressure sensor for sensing pressure, or a tactile sensor for sensing tactile events through pressure measurement. In one aspect, the sensor includes at least one pressure sensor having at least one VCSEL on a substrate. It further includes a compressible sensor layer covering a top surface of the at least one VCSEL, and a reflecting element covering a top surface of the sensor layer. A method of manufacturing such a sensor is also disclosed.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 28, 2012
    Applicants: IMEC, Universiteit Gent, Vrije Universiteit Brussel
    Inventors: Geert Van Steenberge, Erwin Bosman, Hugo Thienpont
  • Publication number: 20120161179
    Abstract: An LED package includes a base, an LED die arranged on the base, an encapsulation sealing the LED die, and a light wavelength converting layer arranged on a light path of the LED die. The light wavelength converting layer includes a plurality of first areas comprising red fluorescent powder, a plurality of second areas comprising green fluorescent powder and a plurality of third areas comprising blue fluorescent powder. The first, second and third areas are aligned along a first direction and a second direction perpendicular to the first direction. Each two neighboring areas on the first direction have different colors. Each two neighboring areas on the second direction also have different colors.
    Type: Application
    Filed: August 30, 2011
    Publication date: June 28, 2012
    Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventors: JUNG-HSI FANG, SHIH-YUAN HSU
  • Patent number: 8206999
    Abstract: In a chip-type LED according to an embodiment of the present invention, a first recess hole for mounting an LED chip and a second recess hole for connecting a fine metal wire are formed in an insulating substrate, a metal sheet serving as a first wiring pattern is formed at a portion that includes the first recess hole, a metal sheet serving as a second wiring pattern is formed at a portion that includes the second recess hole, an LED chip is mounted on the metal sheet within the first recess hole, the LED chip is electrically connected to the metal sheet within the second recess hole via a fine metal wire, the LED chip including the first recess hole and the fine metal wire including the second recess hole are encapsulated in a first transparent resin that contains a fluorescent material, a surface of the insulating substrate including the first transparent resin is encapsulated in a second transparent resin.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: June 26, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Makoto Matsuda, Toshio Hata
  • Patent number: 8207548
    Abstract: An LED array chip (2), which is one type of a semiconductor light emitting device, includes an array of LEDs (6), a base substrate (4) supporting the array of the LEDs (6), and a phosphor film (48). The array of LEDs (6) is formed by dividing a multilayer epitaxial structure including a light emitting layer into a plurality of portions. The phosphor film (48) covers an upper surface of the array of the LEDs (6) and a part of every side surface of the array of LEDs (6). Here, the part extends from the upper surface to the light emitting layer.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: June 26, 2012
    Assignee: Panasonic Corporation
    Inventor: Hideo Nagai
  • Publication number: 20120153345
    Abstract: The present invention relates to an optical semiconductor device including: a substrate having mounted thereon an LED chip; an encapsulation resin layer embedding the LED chip; an inorganic high-heat conductive layer; and a wavelength conversion layer containing an inorganic phosphor powder, in which the encapsulation resin layer, the inorganic high-heat conductive layer and the wavelength conversion layer are laminated in this order on the substrate either directly or indirectly.
    Type: Application
    Filed: December 14, 2011
    Publication date: June 21, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takashi Ozaki, Takashi Kondo, Koji Akazawa
  • Publication number: 20120153284
    Abstract: A light emitting device is provided that includes a substrate, a light emitting unit formed on the substrate, and an encapsulation unit. The encapsulation unit may include a first region corresponding to the light emitting unit and a second region coalesced with the substrate. The encapsulation unit of the first region or a part of the encapsulation unit of the first region may have a positive curvature.
    Type: Application
    Filed: January 30, 2012
    Publication date: June 21, 2012
    Inventors: Hongmo Koo, Daeyang Oh
  • Patent number: 8204283
    Abstract: A fingerprint input module includes at least one prism sheet, an image-capturing unit, and a planar light source. The prism sheet has a micro-prism array. The image-capturing unit has a lens. The planar light source is disposed between the prism sheet and the image-capturing unit, and has a through hole in optical alignment with the lens for passage of light from the micro-prism array to the lens.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: June 19, 2012
    Assignee: Gingy Technology Inc.
    Inventor: Jen-Chieh Wu
  • Patent number: 8203169
    Abstract: To provide glass with which a sealing treatment can be carried out at a temperature of at most 400° C. and which does not deteriorate or change in quality for a long time. Glass comprising, as represented by mol % based on oxides, from 27 to 33% of P2O5, from 50 to 70% of SnO, from 0 to 10% of ZnO, from 0.5 to 5% of CaO and from 0 to 5% of B2O3.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: June 19, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Syuji Matsumoto, Nobuhiro Nakamura, Naoya Wada, Yasuko Osaki
  • Publication number: 20120146088
    Abstract: The present invention provides a sealant for an optical semiconductor device which is less likely to reduce its luminance and is also less likely to change its color even used in an energized state in harsh environments of high temperature and high humidity. The sealant for an optical semiconductor device includes: a first organopolysiloxane not containing a hydrogen atom bound to a silicon atom, but containing an alkenyl group bound to a silicon atom and an aryl group bound to a silicon atom, a second organopolysiloxane containing a hydrogen atom bound to a silicon atom and an aryl group bound to a silicon atom, and a platinum-alkenyl complex. The platinum-alkenyl complex is a reaction product obtained by reacting chloroplatinic acid hexahydrate with not less than 6 equivalent of a bi- or more-functional alkenyl compound.
    Type: Application
    Filed: June 22, 2011
    Publication date: June 14, 2012
    Inventors: Mitsuru Tanikawa, Takashi Watanabe, Shintaro Moriguchi, Osamu Inui, Yoshitaka Kunihiro, Ryosuke Yamazaki, Ayuko Oki
  • Publication number: 20120148820
    Abstract: To provide a mold release film for producing a light emitting diode by a mold, which is less susceptible to formation of pin holes or rupture and which is applicable to mass production of a light emitting diode by means of a mold having a plurality of cavities, and a process for producing a light emitting diode by means of such a mold release film. A mold release film to be disposed on the cavity surface of a mold to form a substantially hemispherical lens portion by encapsulating a light emitting element of a light emitting diode with an encapsulation resin, which release film has a thickness of from 16 to 175 ?m and a tensile rupture elongation of from 600 to 3,000% at 110° C. as measured in accordance with JIS K7127, and a process for producing a light emitting diode by means of such a mold release film.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Applicant: Asahi Glass Company, Limited
    Inventor: Tamao OKUYA
  • Publication number: 20120138989
    Abstract: A light emitting device package includes a plurality of lead frames separated from one another; at least one light emitting device provided with a wire bonding pad attached to a lower surface thereof opposite an upper light emission surface thereof, and mounted on the lead frames such that the wire bonding pad is positioned in a space between the lead frames; a bonding wire electrically connecting the wire bonding pad to the lead frame through the space between the lead frames; and a mold part encapsulating the lead frames, the light emitting device and the bonding wire, and having a reflection groove formed in an upper surface thereof to expose the light emission surface therethrough and a pad groove formed in a bottom surface thereof to expose a portion of the lead frame so as to form a solder pad thereon.
    Type: Application
    Filed: December 1, 2011
    Publication date: June 7, 2012
    Inventors: Cheol Jun YOO, Young Hee Song, Seong Deck Hwang, Sang Hyun Lee
  • Publication number: 20120139821
    Abstract: The present disclosure relates to an organic light emitting display device and a method for manufacturing the same.
    Type: Application
    Filed: December 2, 2011
    Publication date: June 7, 2012
    Inventors: Jongmoo Kim, Juhnsuk Yoo
  • Publication number: 20120139002
    Abstract: An LED package structure comprises a substrate, two electrodes arranged on the substrate, an LED chip arranged on the substrate and electrically connected to the electrodes, an encapsulation covering the LED chip, and a shell surrounding the substrate and the encapsulation. The shell includes walls, of a height which exceeds the thickness of the substrate and so functions as a reflector. A circuit structure connected to the electrodes is arranged on the bottom of the walls.
    Type: Application
    Filed: October 7, 2011
    Publication date: June 7, 2012
    Applicant: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC.
    Inventor: YAU-TZU JANG
  • Patent number: 8193631
    Abstract: A first interconnection is formed along a groove of a substrate and on a bottom surface of the groove, and has a first thickness. A second interconnection is electrically connected to the first interconnection and has a second thickness larger than the first thickness. An acceleration sensing unit is electrically connected to the second interconnection. A sealing unit has a portion opposed to the substrate with the first interconnection therebetween, and surrounds the second interconnection and the acceleration sensing unit on the substrate. A cap is arranged on the sealing unit to form a cavity on a region of the substrate surrounded by the sealing unit. Thereby, airtightness of the cavity can be ensured and also an electric resistance of the interconnection connected to the acceleration sensing unit can be reduced.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: June 5, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kimitoshi Sato, Mika Okumura, Yasuo Yamaguchi, Makio Horikawa
  • Patent number: 8193540
    Abstract: An SMD diode holding structure includes a plastic housing and a plurality of metal holders. Two ends of the plastic housing from a function area and a notch. The metal holder has a base portion and a connecting pin portion. The top and bottom surfaces of the base portion are exposed to the function area and the notch. The top surface of one base portion in the function area is connected with an LED chip, and the bottom surface of another base portion in the notch is connected with the anti-ESD chip. The LED chip, the anti-ESD chip, and the base portion are connected with a conductive wire. The function area is covered with a first sealing compound, and the notch is covered with a second sealing compound. Light emitted from the LED chip is uniformly reflected in the function area, and the brightness is uniform.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: June 5, 2012
    Assignee: Lextar Electronics Corp.
    Inventors: Yi-Ming Huang, Hsiang-Cheng Hsieh