Making Device Or Circuit Emissive Of Nonelectrical Signal Patents (Class 438/22)
  • Patent number: 8946743
    Abstract: Disclosed is a light emitting apparatus. The light emitting apparatus includes a package body; first and second electrodes; a light emitting device electrically connected to the first and second electrodes and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second conductive semiconductor layers; and a lens supported on the package body and at least a part of the lens including a reflective structure. The package body includes a first cavity, one ends of the first and second electrodes are exposed in the first cavity and other ends of the first and second electrodes are exposed at lateral sides of the package body, and a second cavity is formed at a predetermined portion of the first electrode exposed in the first cavity.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: February 3, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Bong Kul Min
  • Patent number: 8945958
    Abstract: The present invention provides manufacturing methods of an LED and a light emitting device. The manufacturing method of the LED includes: providing a substrate; forming on the substrate an LED chip and a second electrode successively; forming a lens structure covering the second electrode; coating the lens structure with fluorescent powder; forming a plurality of evenly distributed contact holes on a backface of the substrate, the contact holes extending through the substrate and to the LED chip; and filling the contact holes with conducting material till the backface of the substrate is covered by the conducting material. The LED has a high luminous efficiency and the manufacturing method is easy to implement.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: February 3, 2015
    Assignee: Enraytek Optoelectronics Co., Ltd.
    Inventor: Richard Rugin Chang
  • Patent number: 8948224
    Abstract: The inventive concept provides semiconductor laser devices and methods of fabricating the same. According to the method, a silicon-crystalline germanium layer for emitting a laser may be formed in a selected region by a selective epitaxial growth (SEG) method. Thus, surface roughness of both ends of a Fabry Perot cavity formed of the silicon-crystalline germanium layer may be reduced or minimized, and a cutting process and a polishing process may be omitted in the method of fabricating the semiconductor laser device.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: February 3, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: In Gyoo Kim, Gyungock Kim, Sang Hoon Kim, JiHo Joo, Ki Seok Jang
  • Patent number: 8946739
    Abstract: A device for medium wavelength infrared emission and a method for the manufacture thereof is provided. The device has a semiconductor substrate; a passive hermetic barrier disposed upon the substrate, and an emitter element disposed within said hermetic barrier; and a mirror.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: February 3, 2015
    Assignee: Lateral Research Limited Liability Company
    Inventor: Daniel Carothers
  • Publication number: 20150028376
    Abstract: A flexible lighting element is provided, comprising: a first substrate; first and second conductive elements over the first substrate; a light-emitting element having first and second contacts that are both on a first surface of the light-emitting element, the first and second contacts being electrically connected to the first and second conductive elements, respectively, and the light-emitting element emitting light from a second surface opposite the first surface; a transparent layer located adjacent to the second surface; and a transparent affixing layer located between the first substrate and the transparent layer, wherein the transparent layer and the transparent affixing layer are both sufficiently transparent to visible light that they will not decrease light transmittance below 70%, and the first and second conductive layers are at least partially transparent to visible light, or are 300 ?m or smaller in width, or are concealed by a design feature from a viewing direction.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 29, 2015
    Applicant: Grote Industries, LLC
    Inventors: William L. Corwin, Donald Lee Gramlich, JR., Scott J. Jones, Martin J. Marx, Cesar Perez-Bolivar, George M. Richardson, II, James E. Roberts
  • Publication number: 20150028377
    Abstract: A lighting element is provided, comprising: a substrate; a first conductive element on the substrate; a light-emitting element having first and second contacts on top and bottom surfaces, respectively; a transparent layer adjacent to the top surface; an affixing layer between the substrate and the transparent layer, affixing the transparent layer to the substrate; and a second conductive element beneath the transparent layer and proximate to the top surface, wherein the first and second contacts are electrically connected to the first and second conductive elements, respectively, the light-emitting element emits light in a range of wavelengths between 10 nm and 100,000 nm, the transparent and affixing layer's will not decrease light transmittance below 70%, and the first and second conductive elements are at least partially transparent to visible light, or are 300 ?m or smaller in width, or are concealed by a design feature from a viewing direction.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 29, 2015
    Applicant: Grote Industries, LLC
    Inventors: Scott J. Jones, Martin J. Marx, Stanley D. Robbins, James E. Roberts
  • Publication number: 20150031150
    Abstract: A method for producing a radiation-emitting semiconductor component is provided, comprising the following steps:—providing a growth substrate (1)—depositing a nucleation layer (2) on the growth substrate (1),—applying a structured dielectric layer (3) to the nucleation layer (2),—applying an epitaxial layer (4) by means of a FACELO process to the structured dielectric layer (3),—epitaxial growth of an epitaxial layer sequence (5) on the epitaxial layer (4), wherein the epitaxial layer sequence (5) comprises an active zone (6) that is suitable for producing electromagnetic radiation.
    Type: Application
    Filed: January 10, 2013
    Publication date: January 29, 2015
    Inventors: Joachim Hertkorn, Lorenzo Zini
  • Publication number: 20150027541
    Abstract: Various embodiments may relate to an electronic component including a layer to be protected against moisture, and a moisture barrier layer arranged at least partly on or above and/or below the layer to be protected. The moisture bather layer includes a plurality of layers composed of the same material having different stoichiometric compositions.
    Type: Application
    Filed: March 13, 2013
    Publication date: January 29, 2015
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Richard Baisl, Michael Popp, Tilman Schlenker, Erwin Lang, Evelyn Trummer-Sailer
  • Publication number: 20150028379
    Abstract: A light emitting diode includes a semiconductor epitaxial stack structure, a first transparent conductive layer and at least one second transparent conductive layer. The semiconductor epitaxial stack structure includes a first semiconductor layer, an active layer and a second semiconductor layer. The active layer is disposed on a portion of the second semiconductor layer. The first semiconductor layer is disposed on the active layer. The first transparent conductive layer is disposed on the first semiconductor layer, and includes plural first crystalline particles, wherein the average size thereof is d1. The second transparent conductive layer is disposed on the first transparent conductive layer, and includes plural second crystalline particles, wherein the average size thereof is d2, and d1 is greater than d2.
    Type: Application
    Filed: January 24, 2014
    Publication date: January 29, 2015
    Applicant: Lextar Electronics Corporation
    Inventor: Cheng-Hung CHEN
  • Patent number: 8941124
    Abstract: According to one embodiment, a semiconductor light emitting device includes a semiconductor layer, a p-side electrode, an n-side electrode, and an inorganic film. The semiconductor layer includes a first surface having an unevenness, a second surface opposite to the first surface, and a light emitting layer. The semiconductor layer includes gallium nitride. The inorganic film is provided to conform to the unevenness of the first surface and in contact with the first surface. The inorganic film has main components of silicon and nitrogen. The inorganic film has a refractive index between a refractive index of the gallium nitride and a refractive index of air. An unevenness is formed also in a surface of the inorganic film.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 27, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Kojima, Takayoshi Fujii, Yoshiaki Sugizaki
  • Patent number: 8940622
    Abstract: A method for manufacturing a compound semiconductor device, the method includes: forming a compound semiconductor laminated structure; removing a part of the compound semiconductor laminated structure, so as to form a concave portion; and cleaning the inside of the concave portion by using a detergent, wherein the detergent contains a base resin compatible with residues present in the concave portion and a solvent.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: January 27, 2015
    Assignee: Fujitsu Limited
    Inventor: Junichi Kon
  • Publication number: 20150021403
    Abstract: A conductive coupling frame (CF) having two ends, forming an open loop having two ends or a discontinuous metal layer disposed surrounding and closely adjacent a transponder chip module (TCM, 610), and substantially coplanar with an antenna structure (AS, CES, LES) in the transponder chip module (TCM). A metal card body (MCB, CB) or a transaction card with a discontinuous metal layer having a slit (S) or a non-conductive strip (NCS, 1034) extending from a module opening (MO) to a periphery of the card body to function as a coupling frame (CF). The coupling frame (CF) may be thick enough to be non-transparent to RF at frequencies of interest. A switch (SW) may be provided to connect ends of the coupling frame (CF) across the slit (S, 630). A reinforcing structure (RS) may be provided to stabilize the coupling frame (CF) and card body (CB).
    Type: Application
    Filed: September 22, 2014
    Publication date: January 22, 2015
    Inventors: David Finn, Mustafa Lotya, Darren Molloy
  • Publication number: 20150021544
    Abstract: The present invention provides a light-emitting device and a manufacturing method thereof. The light-emitting device includes: a heat dissipation layer (2), a buffer layer (4) formed on the heat dissipation layer (2), and a light emission unit (6) formed on the buffer layer (4). The heat dissipation layer (2) is made of graphene. The manufacturing method of a light-emitting device according to the present invention makes use of a graphene-made heat dissipation layer to effectively dissipate away heat emitting from the emissive layer of the light emission unit so as to effectively reduce the temperature of the light-emitting device and extend the service life of the light-emitting device. Particularly, when the light-emitting device is a light-emitting diode, the emissive layer thereof is a quantum dot emissive layer for effectively improving color saturation of the light-emitting diode and enhancing color displaying performance of the light-emitting diode.
    Type: Application
    Filed: July 19, 2013
    Publication date: January 22, 2015
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chong Huang, Yuchun Hsiao, Guofu Tang
  • Patent number: 8937294
    Abstract: Disclosed herein is a semiconducting nanoparticle comprising a one-dimensional semiconducting nanoparticle having a first end and a second end; where the second end is opposed to the first end; and two first endcaps, one of which contacts the first end and the other of which contacts the second end respectively of the one-dimensional semiconducting nanoparticle; where the first endcap that contacts the first end comprises a first semiconductor and where the first endcap extends from the first end of the one-dimensional semiconducting nanoparticle to form a first nanocrystal heterojunction; where the first endcap that contacts the second end comprises a second semiconductor; where the first endcap extends from the second end of the one-dimensional semiconducting nanoparticle to form a second nanocrystal heterojunction; and where the first semiconductor and the second semiconductor are chemically different from each other.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 20, 2015
    Inventors: Moonsub Shim, Nuri Oh, You Zhai, Sooji Nam, Peter Trefonas, Kishori Deshpande, Jake Joo
  • Patent number: 8937328
    Abstract: A light emitting device includes a light emitting element that emits light having a wavelength of 250 nm to 500 nm and a fluorescent layer that is disposed on the light emitting element. The fluorescent layer includes a phosphor having a composition expressed by the equation, ((M1?x1Eux1)3?ySi13?zAl3+zO2+uN21?w), and an average particle diameter of 12 ?m or more, wherein in the equation, M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Al, rare-earth elements, and IVB group elements, and x1, y, z, u, and w satisfy each of the inequalities simultaneously, that is to say each of the following inequalities is satisfied by the choice of values of the identified paramaters within the noted ranges of 0<x1<1, ?0.1<y<0.3, ?3<z?1, ?3<u?w?1.5, 2<u, w<21.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: January 20, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Iwao Mitsuishi, Yumi Fukuda, Aoi Okada, Naotoshi Matsuda, Shinya Nunoue, Keiko Albessard, Masahiro Kato
  • Patent number: 8936950
    Abstract: To improve light emission efficiency and reliability. A transparent conductive film 10 is formed on an entire top surface of a second semiconductor layer 108, and a photo-resist is applied thereon. When removing the photo-resist on the upper surface corresponding to an electrode forming part 16 of a first semiconductor layer 104, the photo-resist is removed to be gradually thinned at a boundary of a portion to be removed. The transparent conductive film is wet etched using the remaining photo-resist as a mask to expose a part of the second semiconductor layer. Dry etching is performed using the remaining photo-resist and the transparent conductive film as a mask to expose the electrode forming part of the first semiconductor layer. A portion of the transparent conductive film exposed in the dry etching using the remaining photo-resist as a mask is wet etched. The remaining photo-resist is eliminated.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: January 20, 2015
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Naoki Nakajo, Masao Kamiya, Akihiro Honma
  • Publication number: 20150014736
    Abstract: The structure intended to emit electromagnetic radiation, comprises first and second electrodes configured so as to allow carriers to be injected into at least one semiconductor-based stack with a view to making them recombine in an active zone of the stack in order to form all or some of the electromagnetic radiation to be emitted. The first electrode has at least one first face for injecting carriers into the stack, said face being oriented in a different direction to the direction in which the stack is formed. The second electrode comprise a second face for injecting carriers into the stack, wherein said second injection face comprises a first portion facing the first electrode and a second portion for which the first electrode is not facing, and a dielectric element, making contact with the first electrode, is interposed between at least one part of the first electrode and at least one part of the first portion.
    Type: Application
    Filed: July 14, 2014
    Publication date: January 15, 2015
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventor: David Vaufrey
  • Publication number: 20150014670
    Abstract: A white light emitting device having an anode and a cathode and therebetween an organic electroluminescent layer which emits white light on the provision of a current between the anode and the cathode, said organic electroluminescent layer comprising a plurality of electroluminescent zones in laterally separated arrangement, the first of said electroluminescent zones comprising a first polymer and the second of said electroluminescent zones comprising a second polymer, wherein the first polymer comprises a fluorescent blue light emitting species and the second polymer comprises a fluorescent green light emitting species, said first and/or second zones further comprising a phosphorescent red light emitting species, such that together with the blue emitting species results in the emission of white light, said first and second polymers being physically incompatible so that separation of the zones pertains.
    Type: Application
    Filed: January 18, 2013
    Publication date: January 15, 2015
    Inventors: Martin Humphries, Martina Pintani, Ilaria Grizzi, Clare Foden, Richard J. Wilson, Martial Berry
  • Patent number: 8933468
    Abstract: A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: January 13, 2015
    Assignees: Princeton University Office of Technology and Trademark Licensing, Universal Display Corporation
    Inventors: Prashant Mandlik, Ruiqing Ma, Jeff Silvernail, Julia J. Brown, Lin Han, Sigurd Wagner, Luke Walski
  • Patent number: 8932888
    Abstract: A method of applying a conversion means to an optoelectronic semiconductor chip includes preparing the optoelectronic semiconductor chip having a main radiation face, preparing the conversion means, the conversion means being applied to a main carrier face of a carrier, arranging the conversion means such that it faces the main radiation face and has a spacing relative to the main radiation face, and releasing the conversion means from the carrier and applying the conversion means to the main radiation face by irradiation and heating of an absorber constituent of the conversion means and/or of a release layer located between the conversion means and the carrier with a pulsed laser radiation which passes through the carrier.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: January 13, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Ralph Wagner
  • Patent number: 8932885
    Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: January 13, 2015
    Assignee: Epistar Corporation
    Inventors: Min-Hsun Hsieh, Kuen-Ru Chuang, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou
  • Patent number: 8932890
    Abstract: The present invention relates to a vertical-structure semiconductor light emitting device and a production method thereof, more specifically, to a vertical-structure semiconductor light emitting device having a high-performance heat sink support comprising a thick metal film or metal foil. The vertical-structure semiconductor light emitting element produced in accordance with the present invention constitutes a highly reliable light emitting element with absolutely no thermal or mechanical damage since it has the high performance heatsink support and so suffers not fine micro-cracking and can be freely subjected to heat treatment and to post-processing including of a side-surface passivation thin film.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: January 13, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Tae Yeon Seong
  • Publication number: 20150011029
    Abstract: Networks of semiconductor structures with fused insulator coatings and methods of fabricating networks of semiconductor structures with fused insulator coatings are described. In an example, a method of fabricating a semiconductor structure involves forming a mixture including a plurality of discrete semiconductor nanocrystals. Each of the plurality of discrete semiconductor nanocrystals is discretely coated by an insulator shell. The method also involves adding a base to the mixture to fuse the insulator shells of each of the plurality of discrete nanocrystals, providing an insulator network. Each of the plurality of discrete semiconductor nanocrystals is spaced apart from one another by the insulator network. The base one such as, but not limited to, LiOH, RbOH, CsOH, MgOH, Ca(OH)2, Sr(OH)2, Ba(OH)2, (Me)4NOH, (Et)4NOH, or (Bu)4NOH.
    Type: Application
    Filed: December 12, 2013
    Publication date: January 8, 2015
    Inventors: Benjamin Daniel Mangum, Weiwen Zhao, Kari N. Haley, Juanita N. Kurtin, Nathan Evan Stott
  • Patent number: 8928018
    Abstract: In a light-emitting device, an insulating separation layer whose upper portion protrudes more than a bottom portion in a direction parallel to a substrate is provided on and in contact with a common wiring provided over the substrate. An EL layer provided over the separation layer on the common wiring is physically divided by the separation layer. An upper electrode layer formed in the same position is also physically divided by the separation layer and is in contact with the common wiring in a region overlapped with the most protruding portion of the separation layer. Such a common wiring may be used as an auxiliary wiring. Further, such a light-emitting device may be applied to a lighting device and a display device.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 6, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hisao Ikeda, Satoshi Seo, Shunpei Yamazaki
  • Patent number: 8927990
    Abstract: Hydrogen concentration and oxygen vacancies in an oxide semiconductor film are reduced. Reliability of a semiconductor device which includes a transistor using an oxide semiconductor film is improved. One embodiment of the present invention is a semiconductor device which includes a base insulating film; an oxide semiconductor film formed over the base insulating film; a gate insulating film formed over the oxide semiconductor film; and a gate electrode overlapping with the oxide semiconductor film with the gate insulating film provided therebetween. The base insulating film shows a signal at a g value of 2.01 by electron spin resonance. The oxide semiconductor film does not show a signal at a g value of 1.93 by electron spin resonance.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: January 6, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toshinari Sasaki, Kosei Noda, Yuhei Sato, Yuta Endo
  • Patent number: 8927964
    Abstract: Apparatus and methods are provided. A first apparatus includes: a semiconductor film; and at least one semiconductor nanostructure, including a heterojunction, configured to modulate the conductivity of the semiconductor film by causing photo-generated carriers to transfer into the semiconductor film from the at least one semiconductor nanostructure. A second apparatus includes: a semimetal film; and at least one semiconductor nanostructure, including a heterojunction, configured to generate carrier pairs in the semimetal film via resonant energy transfer, and configured to generate an external electric field for separating the generated carrier pairs in the semimetal film.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: January 6, 2015
    Assignee: Nokia Corporation
    Inventors: Alan Colli, Tim J. Echtermeyer, Anna Eiden, Andrea C. Ferrari
  • Patent number: 8928008
    Abstract: A light emitting device package is provided. The light emitting device package comprises a package body comprising a first cavity, and a second cavity connected to the first cavity; a first lead electrode, at least a portion of which is disposed within the second cavity; a second lead electrode, at least a portion of which is disposed within the first cavity; a light emitting device disposed within the second cavity; a first wire disposed within the second cavity, the first wire electrically connecting the light emitting device to the first lead electrode; and a second wire electrically connecting the light emitting device to the second lead electrode.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: January 6, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Wan Ho Kim, Jun Seok Park
  • Patent number: 8927998
    Abstract: An array substrate for a liquid crystal display (LCD) and manufacturing method thereof are provided. The array substrate for a liquid crystal display (LCD) includes: a substrate, including: a gate electrode, a pixel electrode, and a common electrode, a gate pad formed on the substrate, and connected to the gate electrode, a gate insulating layer formed on the gate pad, a first protective layer formed on the gate insulating layer, a second protective layer formed on the first protective layer, a first metal layer formed on the second protective layer, and connected to the gate pad through a first contact hole which exposes the gate pad, a third protective layer formed on the first metal layer and the second protective layer, and a second metal layer formed on the third protective layer, and connected to the first metal layer through a second contact hole which exposes the first metal layer.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: January 6, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: YoonHwan Woo, SunJung Lee
  • Patent number: 8928007
    Abstract: An electro-optical device includes: a pixel region that is formed on a substrate and in which a light emitting element that has a first electrode, a second electrode and a light emitting layer formed between the first electrode and the second electrode is arranged; a partition wall portion that is formed above the substrate and located on an outer side of the pixel region; a connecting line that is formed above the substrate and located on an outer side of the partition wall portion; and a connecting section that is formed above the substrate and electrically connects the second electrode to the connecting line, wherein the second electrode covers and extends over the pixel region and the partition wall portion and does not overlap the connecting line in a planar view.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: January 6, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Suguru Akagawa, Yuki Hanamura
  • Patent number: 8927961
    Abstract: Disclosed is a semiconductor light emitting device including a first conductive semiconductor layer including an n-type dopant, an active layer, and a second to sixth conductive semiconductor layers including a p-type dopant. The third to sixth conductive semiconductor layers includes an AlGaN-based semiconductor on the active layer, and the second conductive semiconductor layer includes a GaN-based semiconductor layer on the sixth conductive semiconductor layer. The active layer includes plurality of quantum barrier layers and plurality of quantum well layers and includes a cycle of 2 to 10. The plurality of quantum well layers include an InGaN semiconductor and at least one of the plurality of quantum barrier layers includes a GaN-based semiconductor. The sixth conductive semiconductor layer has a thickness of about 5 nm to about 100 nm.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: January 6, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Kyong Jun Kim
  • Patent number: 8921140
    Abstract: Quantum dots are modified with varying amounts of (a) a redox-active moiety effective to perform charge transfer quenching, and (b) a fluorescent dye effective to perform fluorescence resonance energy transfer (FRET), so that the modified quantum dots have a plurality of photophysical properties. The FRET and charge transfer pathways operate independently, providing for two channels of control for varying luminescence of quantum dots having the same innate properties.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: December 30, 2014
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Igor L. Medintz, W. Russ Algar, Michael H. Stewart, Kimihiro Susumu
  • Patent number: 8921142
    Abstract: Provided is a method and an apparatus for manufacturing an organic EL device which make it possible to manufacture organic EL devices capable of suppressing quality degradation. The method for manufacturing an organic EL device, in which constituent layers of an organic EL element are formed over a substrate in the form of a strip by deposition, while the substrate is being moved in the longitudinal direction, includes: a constituent layer-forming step of performing deposition over one surface of the substrate, while the substrate is being moved in the longitudinal direction, sequentially in an upward deposition unit and a lateral deposition unit provided along the moving direction of the substrate by discharging a vaporized material from an evaporation source. The constituent layer-forming step includes an upward deposition step, a laterally deposition step, and a direction changing step.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: December 30, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Ryohei Kakiuchi, Satoru Yamamoto, Kanako Hida
  • Patent number: 8921139
    Abstract: A manufacturing method of an organic light emitting diode (OLED) display includes manufacturing a mother substrate including a plurality of panels formed with a plurality of anodes for each pixel and a test pad connected to each anode of the panel. The method further includes loading the mother substrate into a plasma chamber and applying a plasma voltage to the test pad of the mother substrate to perform a plasma surface treatment process. The test pad is applied with a different plasma voltage for each pixel.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jae-Young Lee
  • Patent number: 8916396
    Abstract: A method of manufacturing a semiconductor element includes forming an element structure layer having a semiconductor layer, on a first substrate. The method also includes forming a first bonding layer on the element structure layer. The method also includes forming a second bonding layer on a second substrate. The method also includes performing heating pressure-bonding on the first and second bonding layers, with the first and second bonding layers facing each other. One of the first bonding layer and the second bonding layer is an AU layer, and the other is an AuSn layer. The AuSn layer has a surface layer having an Sn content of between 85 wt % (inclusive) and 95 wt % (inclusive).
    Type: Grant
    Filed: March 17, 2013
    Date of Patent: December 23, 2014
    Assignee: Stanley Electric Co., Ltd.
    Inventors: Takako Chinone, Mamoru Miyachi, Tatsuma Saito, Takanobu Akagi
  • Patent number: 8916884
    Abstract: Disclosed is a light-emitting device comprising: a light-emitting stack with a length and a width comprising: a first conductivity type semiconductor layer; an active layer on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer on the active layer; a conductive layer with a width greater than the width of the first conductivity type semiconductor layer and under the first conductivity type semiconductor layer, the conductive layer comprising a first overlapping portion which overlaps the first conductivity type semiconductor layer and a first extending portion which does not overlap the first conductivity type semiconductor layer; a transparent conductive layer with a width greater than the width of the second conductivity type semiconductor layer over the second conductivity type semiconductor layer, the transparent conductive layer comprising a second overlapping portion which overlaps the second conductivity type semiconductor layer and a second extending por
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: December 23, 2014
    Assignee: Epistar Corporation
    Inventors: Shih-I Chen, Wei-Yu Chen, Yi-Ming Chen, Ching-Pei Lin, Tsung-Xian Lee
  • Publication number: 20140367731
    Abstract: A light emitting diode includes: a substrate; an n-type semiconductor layer disposed on the substrate; an active layer disposed on the n-type semiconductor layer; a p-type semiconductor layer disposed on the active layer; a first electrode disposed on the p-type semiconductor layer and made of a metal oxide; a second electrode disposed on the first electrode and made of graphene; a p-type electrode disposed on the second electrode; and an n-type electrode disposed on the n-type semiconductor layer, wherein a work function of the first electrode is less than a work function of the p-type semiconductor layer, but is greater than a work function of the second electrode.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 18, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Doo Hyeb YOUN, Young-Jun YU, Kwang Hyo CHUNG, Choon Gi CHOI
  • Publication number: 20140367634
    Abstract: Disclosed are a nitride-based light emitting diode (LED) and a method of manufacturing the same. The LED includes an n-type nitride semiconductor layer formed on a substrate, a plurality of n-type nitride semiconductor nanorods formed on the n-type nitride semiconductor layer and each having a non-polar face on a major surface thereof, a photoactive layer formed on the n-type nitride semiconductor layer and surfaces of the n-type nitride semiconductor nanorods, a p-type nitride semiconductor layer formed in a hexagonal pyramid shape on the photoactive layer, a current spreading layer formed on the p-type nitride semiconductor layer, an anode formed on the current spreading layer, and a cathode formed on an exposed surface of the n-type nitride semiconductor layer.
    Type: Application
    Filed: November 15, 2013
    Publication date: December 18, 2014
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong-Seon LEE, Dukjo KONG, Si Young BAE
  • Publication number: 20140367697
    Abstract: A light-emitting diode device and a manufacturing method thereof. The light-emitting diode device comprises: a substrate (1); an epitaxial layer at one side of the substrate (1) and comprising an N-type layer (2), a P-type layer (4), and an active layer (3) between the N-type layer (2) and the P-type layer (4); an N-type electrode (5); a P-type electrode (7); an adhesive layer (8); and a patterned substrate (9). The light-emitting diode device further comprises an insulating layer (6) between the N-type electrode (5) and the P-type electrode (7), the insulating layer (6) electrically insulating the N-type electrode (5) and the P-type electrode (7). In the light-emitting diode device and the manufacturing method thereof, light-emitting efficiency and luminous efficiency of the light-emitting diode device can be improved, wiring is easier as compared with conventional chips, and the manufacturing process can be optimized.
    Type: Application
    Filed: December 3, 2012
    Publication date: December 18, 2014
    Inventors: Lei Wang, Guoqi Li, Zhiyan Yu, Rongsheng Pu
  • Patent number: 8912094
    Abstract: Provided is a method for manufacturing a stretchable thin film transistor. The method for manufacturing a stretchable thin film transistor includes forming a mold substrate, forming a stretchable insulator on the mold substrate, forming a flat substrate on the stretchable insulator, removing the mold substrate, forming discontinuous and corrugated wires on the stretchable insulator, forming a thin film transistor connected between the wires, and removing the flat substrate.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: December 16, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae Bon Koo, Chan Woo Park, Soon-Won Jung, Sang Chul Lim, Ji-Young Oh, Bock Soon Na, Hye Yong Chu
  • Patent number: 8912532
    Abstract: The invention relates to a top-emissive organic light-emitting diode (OLED) (10) arranged to emit light having different emission colors, comprising a multi-layered structure provided with a first electrode, a second electrode and a functional layer enabling light emission disposed between the first electrode and the second electrode, wherein thickness (H1, H2) of the functional layer is modulated by allowing at least a portion of the functional layer to interact with a thickness modulator (5a, 5b, 5c), wherein the functional layer comprises a hole injection layer or the electron injection layer.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: December 16, 2014
    Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
    Inventors: Dorothee Christine Hermes, Joanne Sarah Wilson, Petrus Alexander Rensing
  • Patent number: 8912022
    Abstract: A method for making a LED comprises following steps. A substrate having a surface is provided. A first semiconductor layer, an active layer and a second semiconductor pre-layer is formed on the surface of the substrate. A first electrode and a second electrode are formed to electrically connect with the first semiconductor layer and the second semiconductor pre-layer respectively. A patterned mask layer is applied on a surface of the second semiconductor pre-layer. A number of three-dimensional nano-structures are formed on the second semiconductor pre-layer and the patterned mask layer is removed. A method for making an optical element is also provided.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: December 16, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Yuan-Hao Jin, Qun-Qing Li, Shou-Shan Fan
  • Publication number: 20140363915
    Abstract: A negative photosensitive resin composition including a novolac resin (A), a photoacid generator (B), a basic compound (C), a cross-linking agent (D), and a solvent (E) is provided. The novolac resin (A) includes a hydroxy-type novolac resin (A-1) and a xylenol-type novolac resin (A-2). The hydroxy-type novolac resin (A-1) is synthesized by polycondensing a hydroxybenzaldehyde compound and an aromatic hydroxy compound. The xylenol-type novolac resin (A-2) is synthesized by polycondensing an aldehyde compound and a xylenol compound.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 11, 2014
    Inventor: Yu-Jie Tsai
  • Publication number: 20140361245
    Abstract: A method of manufacturing an LED chip includes: providing a laminated structure with a nanoimprinted material coated thereon; providing an imprinted mold with a patterned structure for pressing and curing the nanoimprinted material, removing the imprinted mold, etching the nanoimprinted material and the laminated structure; and forming electrodes on the etched laminated structure. An LED chip is also provided.
    Type: Application
    Filed: June 9, 2014
    Publication date: December 11, 2014
    Inventors: CHIA-HUI SHEN, TZU-CHIEN HUNG
  • Patent number: 8906726
    Abstract: A method for making light emitting diode, the method includes the following steps. First, a substrate having an epitaxial growth surface is provided. Second, a carbon nanotube layer is suspended above the epitaxial growth surface. Third, a first semiconductor layer, an active layer and a second semiconductor layer are grown on the epitaxial growth surface in that order, wherein the first semiconductor layer includes a buffer layer, an intrinsic semiconductor layer, and a doped semiconductor layer stacked in that order. Fourth, the doped semiconductor layer is exposed by removing the substrate, the buffer layer, and the intrinsic semiconductor layer. Fifth, a first electrode is prepared on the first semiconductor layer and a second electrode is prepared on the second semiconductor layer.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: December 9, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Yang Wei, Shou-Shan Fan
  • Patent number: 8907354
    Abstract: The present disclosure relates to an optoelectronic device, in particular to an arrangement for contacting an optoelectronic device. The optoelectronic device (200) includes an elastic electrode (208). A method for forming the elastic electrode (208) is described.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: December 9, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Andrew Ingle
  • Patent number: 8906714
    Abstract: A method of manufacturing a light emitting device is provided which requires low cost, is easy, and has high throughput. The method of manufacturing a light emitting device is characterized in that: a solution containing a light emitting material is ejected to an anode or cathode under reduced pressure; a solvent in the solution is volatilized until the solution reaches the anode or cathode; and the remaining light emitting material is deposited on the anode or cathode to form a light emitting layer. A burning step for reduction in film thickness is not required after the solution application. Therefore, the manufacturing method, which requires low cost and is easy but which has high throughput, can be provided.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: December 9, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Takashi Hamada, Satoshi Seo
  • Patent number: 8907344
    Abstract: A thin film transistor element is formed in each of adjacent first and second apertures defined by partition walls. In plan view of a bottom portion of the first aperture, a center of area of a liquid-philic layer portion is offset from a center of area of the bottom portion in a direction opposite a direction of the second aperture, and in plan view of a bottom portion of the second aperture, a center of area of a liquid-philic layer portion is offset from a center of area of the bottom portion in a direction opposite a direction of the first aperture.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: December 9, 2014
    Assignee: Panasonic Corporation
    Inventors: Yuko Okumoto, Akihito Miyamoto, Takaaki Ukeda
  • Patent number: 8907370
    Abstract: In accordance with certain embodiments, a semiconductor die is adhered directly to a yielding substrate with a pressure-activated adhesive notwithstanding any nonplanarity of the surface of the semiconductor die or non-coplanarity of the semiconductor die contacts.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: December 9, 2014
    Assignee: Cooledge Lighting Inc.
    Inventors: Michael A. Tischler, Philippe M. Schick, Ian Ashdown, Calvin Wade Sheen, Paul Jungwirth
  • Patent number: 8906707
    Abstract: The invention provides a multilayered device and the method for fabricating the same. The multilayered device comprises a substrate, a first layer deposited on the substrate, a second layer deposited on the first layer, and a third layer deposited on the second layer. The coverage of the second layer is determined by a rate of crystallization of the third layer. The rate of crystallization of the third layer is determined by measuring X-ray diffraction of the device.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: December 9, 2014
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Young Joo Lee, Hyunjung Kim
  • Patent number: 8906712
    Abstract: A method includes providing an LED element including a substrate and a gallium nitride (GaN) layer disposed on the substrate. The GaN layer is treated. The treatment includes performing an ion implantation process on the GaN layer. The ion implantation process may provide a roughened surface region of the GaN layer. In an embodiment, the ion implantation process is performed at a temperature of less than approximately 25 degrees Celsius. In a further embodiment, the substrate is at a temperature less than approximately zero degrees Celsius during the ion implantation process.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: December 9, 2014
    Assignee: TSMC Solid State Lighting Ltd.
    Inventors: Hsin-Hsien Wu, Chyi Shyuan Chern, Chun-Lin Chang, Ching-Wen Hsiao, Kuang-Huan Hsu