Inorganic Luminescent Compositions With Organic Nonluminescent Material Patents (Class 252/301.36)
  • Patent number: 10377944
    Abstract: Surface-modified nanoparticles are produced by associating ligand interactive agents with the surface of a nanoparticle. The ligand interactive agents are bound to surface modifying ligands that are tailored to impart particular solubility and/or compatibility properties. The ligand interactive agents are crosslinked via a linking/crosslinking agent, such as hexamethoxymethylmelamine or a derivative thereof. The linking/crosslinking agent may provide a binding site for binding the surface modifying ligands to the ligand interactive agents.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: August 13, 2019
    Assignee: Nanoco Technologies Ltd.
    Inventor: Imad Naasani
  • Patent number: 10350583
    Abstract: The present disclosure relates to a method that includes heating a mixture that includes a metal phenylphosphine-containing precursor that includes at least one of Mo(PPh3)2(CO)4, Pd(PPh3)4, Ru(PPh3)3Cl2, Ru(PPh3)2(CO)2Cl2, Co(PPh3)(CO)2(NO), and/or Rh(PPh3)2(CO)Cl, a surfactant, and a solvent. The heating is to a target temperature to form a heated mixture containing a metal phosphide nanoparticle that includes at least one of MoP, Ru2P, Co2P, Rh2P, and/or Pd3P, and the metal phosphide nanoparticle is not hollow.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: July 16, 2019
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: Susan Ellen Habas, Jun Wang, Daniel A. Ruddy, Frederick Raymond Gabriel Baddour, Joshua Schaidle
  • Patent number: 10340427
    Abstract: The invention provides a luminescent material (10) based on quantum dots (100), wherein the quantum dots (100) have inorganic capping agents (110), wherein the luminescent material (10) comprises particles (12) having an inorganic salt matrix (14) hosting the quantum dots (100) with inorganic capping agents (110), wherein the luminescent quantum dots (100) have an outer layer (105). The invention also provides a method for the production of such luminescent material (10). The new luminescent material can be used and processed as conventional particulate luminescent material.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: July 2, 2019
    Assignee: Lumileds LLC
    Inventors: Patrick John Baesjou, Stefan Willi Julius Gruhlke, Roelof Koole, Johannes Franciscus Maria Cillessen
  • Patent number: 10316248
    Abstract: The present invention relates to a method for producing a hexafluoromanganate(IV), said method being characterized by comprising: inserting an anode and a cathode into a reaction solution that contains a compound containing manganese having an atomic valence of less than 4 and/or manganese having an atomic valence of more than 4 and hydrogen fluoride; and then applying an electric current having an electric current density of 100 to 1000 A/m2 between the anode and the cathode. According to the present invention, it becomes possible to produce a hexafluoromanganate(IV) in which the content ratio of manganese having an atomic valence of 4 is high and the contamination with oxygen is reduced and which has high purity. When a complex fluoride red phosphor is produced using the hexafluoromanganate(IV) as a raw material, the phosphor produced has high luminescence properties, particularly high internal quantum efficiency.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: June 11, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masami Kaneyoshi, Masatoshi Ishii
  • Patent number: 10312423
    Abstract: A light-emitting device includes a light-emitting element, a wavelength converting layer and a light-adjusting layer. The light-emitting element has a first upper surface, a bottom surface, and a lateral surface between the first upper surface and the bottom surface. The wavelength converting layer includes a plurality of wavelength converting particles, and has a second upper surface on the first upper surface. The light-adjusting layer surrounds the lateral surface and has a first composition or a second composition. The first composition includes a first binder and a plurality of first light-diffusing particles. The second composition includes a second binder, a plurality of second light-diffusing particles, and a plurality of light-scattering particles.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: June 4, 2019
    Assignee: EPISTAR CORPORATION
    Inventors: Ching-Tai Cheng, Lung-Kuan Lai, Ju-Lien Kuo, Chun-Hua Shih, Hsuan-Tzu Peng, Yih-Hua Renn
  • Patent number: 10305009
    Abstract: A semiconductor light emitting device includes semiconductor light source, a resin package surrounding the semiconductor light source, and a lead fixed to the resin package. The lead is provided with a die bonding pad for bonding the semiconductor light source, and with an exposed surface opposite to the die bonding pad The exposed surface is surrounded by the resin package in the in-plane direction of the exposed surface.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: May 28, 2019
    Assignee: ROHM CO., LTD.
    Inventors: Masahiko Kobayakawa, Kazuhiro Mireba, Shintaro Yasuda, Junichi Itai, Taisuke Okada
  • Patent number: 10301541
    Abstract: A fluoride phosphor includes fluoride particles represented by AxMFy:Mnz4+ where A is at least one selected from lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs), M is at least one selected from silicon (Si), titanium (Ti), zirconium (Zr), hafnium (Hf), germanium (Ge) and tin (Sn), a compositional ratio x of A satisfies 2?x?3, and a compositional ratio y of F satisfies 4?y?7; and an organic material physically adsorbed onto surfaces of the fluoride particles to allow the fluoride particles to have hydrophobicity. The fluoride particles have a concentration of Mn4+ gradually reduced from respective centers to respective surfaces of the fluoride particles.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, Woon Seok Kim, Tae Hoon Kim, Ji Ho You, Chul Soo Yoon
  • Patent number: 10246633
    Abstract: Highly stable films containing semiconductor nanoparticles (“quantum dots”) are prepared from resins containing a fast-curing inner phase having a high glass transition temperature (Tg) and certain inner phase/outer phase combinations. The resins may comprise an inner phase and outer phase (but may appear to be a single phase due to their homogeneous appearance when viewed using an optical microscope). The method provides a highly scalable and cost-effective procedure for preparing films that are resistant to light, elevated temperatures, moisture, and oxygen.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 2, 2019
    Assignee: Nanoco Technologies Ltd.
    Inventors: Amilcar Pillay Narrainen, Cong-Duan Vo, Imad Naasani, Abu Mohammad Imroz Ali
  • Patent number: 10246638
    Abstract: A device and associated method are provided for a light emitting diode device (LED) with suppressed quantum dot (QD) photobrightening. The QD surfaces, with a maximum cross-sectional dimension of 10 nanometers, are treated with a solution including a multi-valent cation salt. In response to heating the solution, multi-valent cations become attached to the surface of the QD nanocrystals, forming treated QDs that are deposited overlying a top surface of an LED. The LED device emits a non-varying intensity of first wavelength light in the visible spectrum from the treated QDs, when subjected to a continuous exposure of a second wavelength of LED light having an intensity of greater than 50 watts per square centimeter. For example, blue, green, or red color light may be emitted when exposed to LED light in the ultraviolet (UV) spectrum, or a green or red color light when exposed to a blue color LED light.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: April 2, 2019
    Assignee: eLux, Inc.
    Inventor: Alexey Koposov
  • Patent number: 10246637
    Abstract: A method for preparing a core-shell nanocrystal can include mixing an M-containing precursor solution, an X-containing precursor solution, and an acid or alcohol in an inert atmosphere at a first temperature to form a reaction mixture; maintaining the reaction mixture at the first temperature to grow the MX core of the nanocrystal; raising the temperature of the reaction mixture to a second temperature; and maintaining the reaction mixture at the second temperature to grow a shell of the nanocrystal.
    Type: Grant
    Filed: May 7, 2016
    Date of Patent: April 2, 2019
    Assignee: Massachusetts Institute of Technology
    Inventors: Zhengtao Deng, Tian Ming, He Dong, Aishuang Xiang, Jing Kong
  • Patent number: 10191060
    Abstract: The present invention provides, among other aspects, functionalized chromophoric polymer dots comprising a hydrophobic core and a hydrophilic cap, and bioconjugates thereof. Also provided are improved methods for preparing functionalized chromophoric polymer dots. Methods for in vivo imaging and molecular labeling are also disclosed.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: January 29, 2019
    Assignees: University of Washington, Clemson Univeristy
    Inventors: Daniel T. Chiu, Changfeng Wu, Jason McNeill, Jiangbo Yu
  • Patent number: 10174886
    Abstract: A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: January 8, 2019
    Assignees: SHARP KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION NARA INSTITUTE AND TECHNOLOGY
    Inventors: Tatsuya Ryohwa, Mami Morishita, Noriyuki Yamazumi, Makoto Izumi, Yasutaka Kuzumoto, Takuya Nakashima, Tsuyoshi Kawai
  • Patent number: 10132965
    Abstract: A refractive index device and method of making it include obtaining a glass structure comprising a plurality of nucleation sites. The glass structure is formed from a glass composition that comprises a first chemical component and a second chemical component. A crystal of the second chemical component has a different second refractive index from a first refractive index of the first chemical component. Each nucleation site defines where a crystal of the second chemical component can be grown. The method includes causing crystals of the second chemical component to grow in situ at a set of the plurality of nucleation sites in order to produce a spatial gradient of a refractive index in the glass structure.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: November 20, 2018
    Assignees: Lockheed Martin Corporation, The Penn State Research Foundation, Clemson University Research Foundation
    Inventors: Clara Rivero Baleine, Theresa S. Mayer, Jonathan David Musgraves, Kathleen Richardson, Peter Wachtel
  • Patent number: 10113109
    Abstract: The invention provides a luminescent material (10) comprising quantum dots (100), wherein the luminescent material (10) further comprises a capping agent (110) coordinating to the quantum dots (10), wherein the capping agent comprises MxOy(OH)zn, wherein M is selected from the group consisting of B, Al, P, S, V, Zn, Ga, Ge, As, Se, Nb, Mo, Cd, In, Sn, Sb, Te, Ta and W, wherein x?1, y+z?1, and wherein n indicates a positive or negative charge of the capping agent.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 30, 2018
    Assignee: Lumileds LLC
    Inventors: Stefan Willi Julius Gruhlke, Patrick John Baesjou
  • Patent number: 10103293
    Abstract: Methods of treating an emission spectrum of visible light emitted from a light emitting source, and resulting apparatus, are disclosed. The methods include obtaining the visible light emission spectrum emitted from the light emitting source and a desired visible light emission spectrum. The methods may also include determining at least one wavelength of the emission spectrum of the source with an irradiance or intensity that is less than that of the desired emission spectrum. The methods may include selecting at least one pigment that is effective in tuning the emission spectrum of the source by increasing the intensity or irradiance of the at least one wavelength. The methods may include applying the at least one pigment to the light emitting source to treat the emission spectrum emitted therefrom.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: October 16, 2018
    Inventor: Jan-Marie Spanard
  • Patent number: 10079356
    Abstract: The invention provides devices such as photovoltaic cells which are free of scaffold structure layers.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: September 18, 2018
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem Ltd.
    Inventor: Lioz Etgar
  • Patent number: 10047288
    Abstract: The invention relates to an optical composite material composition, comprising: 0.1 wt % to 15 wt % of a luminescent material; 5 wt % to 30 wt % of a surfactant having at least two thiol groups; 30 wt % to 50 wt % of a first acrylate monomer; 15 wt % to 30 wt % of a second acrylate monomer; 5 wt % to 20 wt % of a cross-linker; and 1 wt % to 2 wt % of an initiator. The invention also provides an optical composite material prepared by the optical composite material composition.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: August 14, 2018
    Assignee: Unique Materials Co., Ltd.
    Inventors: Pi-Tai Chou, Chia-Chun Hsieh
  • Patent number: 9921343
    Abstract: The invention provides the following advantages: the present invention provides a quantum dot polarizer and manufacturing method thereof. The quantum dot polarizer comprises a first protective layer and a second protective layer, and the first protective layer or the second protective layer being a complex film comprising quantum dots. As such, without increasing the thickness of display, the invention can improve color spectrum and transmittance, and is applicable to ultra-thin display devices at low cost. The manufacturing method adds the quantum dots to the cotton glue for forming protective layers by extension or coating process to obtain quantum dot protective layer used for quantum dot polarizer. As such, the invention can avoid humidity and oxygen affecting the quantum dots and reduce cost by eliminating manufacturing independent quantum dot element separately.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 20, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Tao Hu
  • Patent number: 9909062
    Abstract: The present invention provides light-emitting diode (LED) devices comprises compositions and containers of hermetically sealed luminescent nanocrystals. The present invention also provides displays comprising the LED devices. Suitably, the LED devices are white light LED devices.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: March 6, 2018
    Assignee: Nanosys, Inc.
    Inventors: Robert S. Dubrow, Jian Chen, Veeral D. Hardev, Hans Jurgen Hofler, Ernest Lee
  • Patent number: 9862883
    Abstract: A method of making doped Alq3 nanostructures with enhanced photoluminescence is provided. The method of making doped Alq3 nanostructures with enhanced photoluminescence includes the steps of dissolving tris(8-hydroxyquinolinato)aluminum (Alq3) and a metal in water to form a solution. The metal may be terbium (Tb), copper (Cu), silver (Ag), dysprosium (Dy) or europium (Eu), for example. The metal may be provided in a water soluble form, such as chlorides and nitrates thereof. The solution is then subjected to ultrasonic waves (i.e., a sonication bath) for a period of approximately 3 hours to approximately 4 hours. The solution is then dried at a temperature of approximately 50° C. for a period of approximately 8 hours to form a powder of Alq3 doped with the metal. The powder is then formed into nanostructures of the Alq3 doped with the metal.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: January 9, 2018
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventors: Numan Abdullah Salah, Adnan Memic, Attieh A. Al-Ghamdi, Sabah Eid Algarni, Zishan H. Khan
  • Patent number: 9831313
    Abstract: The disclosed subject matter provides a Fin-FET with a thinned-down InP layer and thinning-down method thereof. In a Fin-FET, the fin structure is made of InGaAs and an InP layer is formed to cover the fin structure. The InP layer is obtained from an initial InP layer formed on the fin structure through a thinning down process including converting a surface portion of the InP layer into a Phosphorus-rich layer and removing the Phosphorus-rich layer. The thickness of the ultimately-formed InP layer is less than or equal to 1 nm. According to the disclosed method, the InP layer in the Fin-FET may be easily thinned down, and during the thinning-down process, contamination may be avoided.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 28, 2017
    Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
    Inventors: Haiyang Zhang, Chenglong Zhang
  • Patent number: 9831396
    Abstract: A light emitting device includes a light emitting element, a molded member, and a sealing member. The light emitting element is arranged on or above the molded member. The sealing member covers the light emitting element. The sealing member contains a phosphor, and a filler material. The phosphor can be excited by light of the light emitting element, and emit luminescent radiation. The filler material contains neodymium hydroxide, neodymium aluminate or neodymium silicate. The filler material absorbs a part of the spectrum of the mixed light of the light emitting element and the phosphor so that the other parts of the spectrum of this mixed light are extracted from the light emitting device.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: November 28, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Shoji Hosokawa, Daiki Kuramoto, Kenji Nakata, Atsushi Bando
  • Patent number: 9822274
    Abstract: A putty paint compound for marking on a substrate, and a method and system of manufacturing a putty paint compound for marking on a substrate, are provided. In embodiments, the putty paint compound has a putty-like consistency that provides a delivery system for dye. In embodiments, a dye is dispersed into an elastic, pliable compound that maintains a putty-like form. When the compound is applied to a substrate having an activator, the dye dispersed in the compound creates a marking on the substrate that corresponds to the shape of the compound contacting the substrate. In further embodiments, the shape of the putty paint compound may be manipulated to provide a desired marking on a substrate, which may be altered by repeated or varied applications of one or more putty paint compounds.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 21, 2017
    Assignee: CRAYOLA, LLC
    Inventor: Linda J. Smith
  • Patent number: 9767718
    Abstract: A manufacturing method of filling a resin into a housing includes the steps of: providing a housing that has at least one recess, with the recess having first and second spaces, and the first space being disposed above the second space; inverting the housing; injecting a fluid into the recess to fill the first space, with the fluid having a viscosity coefficient and a surface tension less than those of water; and injecting a first resin into the recess, with the first resin having a specific gravity greater than that of the fluid, such that the first resin fills the first space and the fluid fills the second space.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 19, 2017
    Assignees: Lite-On Opto Technology (Changzhou) Co., Ltd., Lite-On Technology Corp.
    Inventors: Sung-Ming Wong, Kuo-Yun Huang, Hsun-Jen Chang
  • Patent number: 9757310
    Abstract: The invention relates to a solution for coloring and imparting fluorescence to a zirconia dental article, the solution comprising: •a solvent, •a coloring agent comprising ions selected from Tb, Er, Pr, Mn and combinations thereof, •a fluorescing agent comprising ions of Bi, the solution not comprising Fe ions in an amount above about 0.05 wt.-% with respect to the weight of the whole solution.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: September 12, 2017
    Inventor: Michael Jahns
  • Patent number: 9634199
    Abstract: Methods of treating an emission spectrum of visible light emitted from a light emitting source, and resulting apparatus, are disclosed. The methods include obtaining the visible light emission spectrum emitted from the light emitting source and a desired visible light emission spectrum. The methods may also include determining at least one wavelength of the emission spectrum of the source with an irradiance or intensity that is less than that of the desired emission spectrum. The methods may include selecting at least one pigment that is effective in tuning the emission spectrum of the source by increasing the intensity or irradiance of the at least one wavelength. The methods may include applying the at least one pigment to the light emitting source to treat the emission spectrum emitted therefrom.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: April 25, 2017
    Inventor: Jan-Marie Spanard
  • Patent number: 9570549
    Abstract: A semiconductor nanocrystal and a preparation method thereof, where the semiconductor nanocrystal include a bare semiconductor nanocrystal and a water molecule directly bound to the bare semiconductor nanocrystal.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Joo Jang, Seok-Hwan Hong, Shin-Ae Jun, Hyo-Sook Jang
  • Patent number: 9487696
    Abstract: The present invention provides a phosphor comprising a cerium-activated sialon crystal having a basic composition represented by formula (1): (Sr1-x,Cex)?Si?Al?O?N???formula: (1) (wherein, x is 0<x<1, ? is 0<??3, and ?, ?, ? and ? are numbers such that numerical values converted when ? is 2 satisfy 5???9, 1???5, 0???1.5, and 10???20), wherein the phosphor includes particles having a sphericity of 0.65 or more and emits yellow light by being excited by ultraviolet light, violet light or blue light.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 8, 2016
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Materials Co., Ltd.
    Inventors: Daichi Usui, Yasuhiro Shirakawa, Hirofumi Takemura, Tsutomu Ishii
  • Patent number: 9409811
    Abstract: The invention relates to an optical converter system for LEDs, preferably for so-called (W)LEDs, and a method for producing the named optical converter system. The modular-type optical converter system comprises an inorganic converter for converting the radiation emitted from the LED, an inorganic optical component, preferably comprising glass, which is disposed downstream relative to the converter in the direction of emission of the LED, wherein the converter and the first optical component are adjacent to one another and joined at least in sections. The optical converter system possesses a temperature resistance, which lies above that of the system known in the prior art. Also, the preferred components of the system are substantially resistant to UV and to chemicals.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: August 9, 2016
    Assignee: SCHOTT AG
    Inventors: Matthias Rindt, Edgar Pawlowski, Thomas Zetterer, Robert Hettler
  • Patent number: 9410082
    Abstract: A semiconductor phosphor nanoparticle includes a semiconductor nanoparticle and a first organic compound. An end of the first organic compound is bonded to a surface of the semiconductor nanoparticle, and the other end of the first organic compound is polymerized to form a first inorganic layer.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: August 9, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Mami Morishita, Tatsuya Ryohwa
  • Patent number: 9365768
    Abstract: A white light emitting diode comprising a substrate layer, two conductive frames, a light emitting unit, two conductive wires, and a packaging element is provided. The substrate layer is made from a curing reaction of first mixture, and the first mixture includes a curable resin, a curing agent, a phosphor material, and a modified thermal conductive nano-material, wherein the modified thermal conductive nano-material is made from a thermal conductive nano-material and a silane compound. The packaging element is made from a curing reaction of second mixture, and the second mixture includes a curable resin, a curing agent, a phosphor material, and a modified thermal conductive nano-material, wherein the modified thermal conductive nano-material is made from a thermal conductive nano-material and a silane compound. The chip-type white light emitting diode has a good heat-dissipating effect and a good luminous efficiency without additional heat dissipation fins.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: June 14, 2016
    Inventors: Guan-Jie Luo, Kai Hsiung Tsai
  • Patent number: 9334441
    Abstract: A wavelength-shift composite light-storing powder and method of manufacturing and applying the same. Wherein, inorganic metal oxide and light-storing material containing rare earth elements are made to collide at high speed in an environment of extremely low temperature. The collision process makes said inorganic metal oxide to produce fusion reaction on surface of said light-storing material, that causes changes of lattice structure, to generate photon shift phenomenon and produce said wavelength-shift composite light-storing powder. Said composite light-storing powder is apt to engage cross-linked structure of thermoplastic polymer in a high temperature blending process, to achieve even distribution. Finally, through a filament process to produce successfully light-storing fibers capable of emitting lights of various wavelengths, to raise its heat resistance and wash durability.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: May 10, 2016
    Assignee: TAIWAN TEXTILE RESEARCH INSTITUTE
    Inventors: Sheng-Jen Lin, Ying-Hsiu Hsiao
  • Patent number: 9302432
    Abstract: A color converting member is capable of suppressing deterioration in a phosphor by a simple manufacturing process. A method of manufacturing a color converting member includes a process of molding a resin material into a shape. In the process, molding the resin material and the phosphor integrally into a shape is performed, after kneading a phosphor that converts one color light to another color light into the resin material.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: April 5, 2016
    Assignee: DEXERIALS CORPORATION
    Inventors: Tsubasa Tsukahara, Yasushi Ito, Naoji Nada, Yoshihiro Oshima, Hideya Chubachi
  • Patent number: 9279078
    Abstract: The invention provides a resin composition having an excellent dispersibility of a phosphor, and when the resin composition is processed and used as a color conversion material, to give a hardened material having a high heat resistance, resistance to thermal yellowing, light resistance, transparency and refractive index, and an excellent adhesion to allow color conversion of light emitted from an optical semiconductor stably and without a flare spot over a long period of time. The invention also relates to a hardening resin composition having at least one of epoxy and oxetanyl.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: March 8, 2016
    Assignee: JNC CORPORATION
    Inventors: Kazuhiro Yoshida, Ryota Mineo
  • Patent number: 9257416
    Abstract: According to one embodiment, a semiconductor light emitting device includes not less than three chips. Each of the chips includes a semiconductor layer having a first face, a second face formed on a side opposite to the first face, and a light emitting layer, a p-side electrode, and an n-side electrode. The chips include a central chip centrally positioned in a plan view, and at least two peripheral chips arranged symmetrically to each other sandwiching the central chip in the plan view. A thickness of the fluorescent body layer on the first face is same among the peripheral chips, and the fluorescent body layer on the first face of the central chip and the fluorescent body layers on the first faces of the peripheral chips have thicknesses different from each other.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: February 9, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yosuke Akimoto, Akihiro Kojima, Miyoko Shimada
  • Patent number: 9212947
    Abstract: A measurement system for and method of measuring thicknesses of coatings as applied to objects and a coating system and method for. coating objects, in particular three-dimensional objects, with coatings, in particular thermal barrier coatings (TBCs), and a monitoring system for and method of monitoring a state of a thermal barrier coating (TBC) as applied to an object which is exposed to a high-temperature environment, and a TBC for use with the same.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: December 15, 2015
    Assignee: NEW STS LIMITED
    Inventors: Jörg Peter Feist, John Rayment Nicholls, Michael James Fraser, Andrew Lawrence Heyes
  • Patent number: 9167659
    Abstract: A solid state lighting device including a light source capable of emitting white light including a blue spectral component and having a deficiency in a spectral region, and an optical component that is positioned to receive at least a portion of the light generated by the light source, the optical component comprising an optical material for converting at least a portion of the blue spectral component of the light to one or more predetermined wavelengths such that light emitted by the solid state lighting device includes light emission from the light source supplemented with light emission at one or more predetermined wavelengths, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is lighting fixture, a cover plate for a lighting fixture and a method.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: October 20, 2015
    Assignee: QD VISION, INC.
    Inventors: Seth Coe-Sullivan, John R. Linton, Sridhar Sadasivan, Emily M. Squires
  • Patent number: 9139770
    Abstract: Siloxane polymer ligands for binding to quantum dots are provided. The polymers include a multiplicity of amine or carboxy binding ligands in combination with long-alkyl chains providing improved stability for the ligated quantum dots. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nano structures.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 22, 2015
    Assignee: Nanosys, Inc.
    Inventors: William P. Freeman, Paul T. Furuta, Wendy Guo, Robert Dubrow, J. Wallace Parce
  • Patent number: 9134612
    Abstract: The invention pertains to a printing form precursor, a method of preparing a printing form from the precursor, and a process of preparing the precursor. The printing form precursor includes a photopolymerizable layer, an elastomeric layer having at least an elastomeric binder and particulate, and an actinic radiation opaque material on, adjacent, or disposed above the elastomeric layer opposite the photopolymerizable layer. The particulate is selected from specific material particles having an average diameter from 1 to 10 micron and a refractive index that is within 0.04 units of an index of refraction of the composition forming the elastomeric layer.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: September 15, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Robert M Blomquist, John Stephen Locke, Chi W Chiu
  • Patent number: 9120681
    Abstract: It is an object of the present invention to provide a new method for production of zinc oxide particles which can control the particle diameter and particle shape of obtained zinc oxide particles by selecting suitable conditions, and can prepare zinc oxide applicable to various applications. A method for production of zinc oxide particles, comprising a step of aging a zinc oxide raw material in an aqueous zinc salt solution.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: September 1, 2015
    Assignee: Sakai Chemical Industry Co., Ltd.
    Inventors: Satoru Sueda, Mitsuo Hashimoto, Atsuki Terabe, Nobuo Watanabe, Koichiro Magara
  • Patent number: 9115097
    Abstract: Surface-modified nanoparticles are produced by associating ligand interactive agents with the surface of a nanoparticle. The ligand interactive agents are bound to surface modifying ligands that are tailored to impart particular solubility and/or compatibility properties. The ligand interactive agents are crosslinked via a linking/crosslinking agent, such as hexamethoxymethylmelamine or a derivative thereof. The linking/crosslinking agent may provide a binding site for binding the surface modifying ligands to the ligand interactive agents.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: August 25, 2015
    Assignee: Nanoco Technologies Ltd.
    Inventor: Imad Naasani
  • Patent number: 9057021
    Abstract: An object comprising a low rare earth mineral photoluminescent structure incorporated onto or into one or more portions of the object, the object being a photoluminescent object is disclosed. Further disclosed is a method for fabricating the object. An object comprising a low rare earth mineral photoluminescent composition incorporated onto or into one or more portions of the object, the object being a photoluminescent object is also disclosed, as well as, a method for fabricating the object.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: June 16, 2015
    Assignee: PERFORMANCE INDICATOR, LLC
    Inventors: Edward D. Kingsley, Satish Agrawal
  • Publication number: 20150146452
    Abstract: A quantum rod luminescent display device includes a first substrate having a plurality of pixel regions; a plurality of first electrodes alternately arranged with a plurality of second electrodes in each of the plurality of pixel regions; a plurality of quantum rod compound layers over the first electrodes and the second electrodes, respectively in each of the plurality of pixel regions, each of the quantum rod compound layers including a quantum rod having a core, a shell surrounding the core, and an electron acceptor; a second substrate facing the first substrate; and a backlight unit at an outer surface of the first substrate. The electron acceptor is attached to or adjacent to the quantum rod.
    Type: Application
    Filed: November 24, 2014
    Publication date: May 28, 2015
    Inventors: Kyu-Nam KIM, Jin-Wuk KIM, Byung-Geol KIM, Sung-Woo KIM, Kyung-Kook JANG, Hee-Yeol KIM, Sung-Il WOO
  • Publication number: 20150144839
    Abstract: An optical composition is provided, comprising: —a polysilsesquioxane comprising repeating units of the formula [R—SiO1.5], wherein each R independently is hydrogen or a C1-C12 alkyl, aryl, alkene, arylene, alkenyl or alkoxy; —a polysiloxane, optionally substituted; and —particles dispersed in said polysiloxane. The polysilsesquioxane is able to disperse the particles in the polysiloxane, thus providing an optical composition comprising stably dispersed particles. The particles may be utilized to tune the refractive index or another optical property of the composition. Due to the low organics content, the composition has reduced risk of yellowing. The invention also relates to a bonding layer comprising an optical composition, an optical system comprising an optical composition, a method for preparing an optical composition and an optical system, respectively, and the use of a polysilsesquioxane for dispersing particles in a polysiloxane material.
    Type: Application
    Filed: June 10, 2013
    Publication date: May 28, 2015
    Inventors: Marcel Rene Bohmer, Hendrik Johannes Boudewijn Jagt, Antonius Wilhelmus Maria De Laat
  • Patent number: 9040611
    Abstract: A highly loaded concentrate pellet composition includes an active ingredient in a concentration of at least about 60% by weight, and a low molecular weight binder in a concentration of up to about 35% by weight. The active ingredient is evenly dispersed in the binder. The binder has a melting point that permits the composition to melt under shear in an extruder. The binder is non-metallocene and non-stearic.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: May 26, 2015
    Assignee: E-Z Color Corporation
    Inventors: Glen Alan Hirschfeld, Craig A. Dunaway, Jeffrey R. Nonekowski
  • Publication number: 20150140700
    Abstract: The present invention addresses the problem of providing a method for producing a phosphor dispersion liquid, which is not susceptible to settling of phosphor particles, without deteriorating the phosphor particles. In order to solve the above-mentioned problem, the present invention provides a method for producing a phosphor dispersion liquid that contains phosphor particles, laminar clay mineral particles, oxide microparticles and a solvent, said method comprising: a step of preparing a first dispersion liquid that has a viscosity of 50-500 mPa·s by mixing the laminar clay mineral particles, the oxide microparticles, and the solvent; and a step for mixing the phosphor particles into the first dispersion liquid.
    Type: Application
    Filed: August 12, 2013
    Publication date: May 21, 2015
    Inventor: Atsushi Sato
  • Patent number: 9034978
    Abstract: Methods for the synthesis of metal quantum clusters within the framework of a porous gel matrix are described. For example, Ag25(glutathione)18 quantum clusters are synthesized in a cross-linked polyacrylamide gel matrix. The methods can be performed on large-scale and yields monodispersed metal quantum clusters.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: May 19, 2015
    Assignee: Indian Institute of Technology Madras
    Inventors: Pradeep Thalappil, Udayabhaskararao Thumu
  • Publication number: 20150129793
    Abstract: The present invention provides a novel method to synthesize composite nanoparticle structures combining the functions of individual nanoparticle components, such as quantum dots, gold nanoparticles and iron oxide nanoparticles. This novel technology solves some of the major problems of the commonly used synthesis methods such as poorly-controlled ratios between different components in a composite nanoparticle. This platform technology has great potential in applying nanotechnology in biomedical detection and imaging, solar cells, as well as environmental monitoring.
    Type: Application
    Filed: November 11, 2014
    Publication date: May 14, 2015
    Inventor: Gang RUAN
  • Patent number: 9029493
    Abstract: Provided is an organopolysiloxane and its use. The organopolysiloxane may exhibit excellent processibility and workability. In addition, when the organopolysiloxane is used as an encapsulant, it exhibits excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property. Moreover, the organopolysiloxane may provide an encapsulant exhibiting stable durability and reliability under severe conditions for a long time and having no whitening and surface stickiness.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: May 12, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Bum Gyu Choi, Min Jin Ko, Myung Sun Moon, Jae Ho Jung, Dae Ho Kang, Min Kyoun Kim, Byung Kyu Cho
  • Publication number: 20150118773
    Abstract: The purpose is to provide a phosphor particle dispersion liquid in which the phosphor particles do not settle out when the phosphor dispersion liquid is left to stand. The phosphor dispersion liquid contains phosphor particles, clay mineral particles, inorganic particles, and a solvent. The phosphor dispersion liquid has viscosity ?1 of 10 to 500 mPa·s at a shear rate of 1000 (1/s) at 25° C., and viscosity ?2 of 1.0×103 to 1.0×105 mPa·s at a shear rate of 1 (1/s) at 25° C.
    Type: Application
    Filed: October 5, 2012
    Publication date: April 30, 2015
    Applicant: Konica Minolta, Inc.
    Inventor: Takeshi Kojima