Patents Examined by Haidung Nguyen
  • Patent number: 9905324
    Abstract: A method of fabricating a metal nanowire dispersion solution includes heating a first solution including a metal compound, a catalyst, an organic protection agent and menstruum, thereby forming metal nanowires in the first solution, performing a first cleaning process providing a first solvent into the metal nanowire, thereby separating the organic protection agent surrounding the metal nanowires from the metal nanowires, separating the metal nanowires from the first solution by vacuum-filtering, and dispersing the separated metal nanowires in a dispersion solvent.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: February 27, 2018
    Assignees: Samsung Display Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Hyun Woo Koo, Tae Woong Kim, Jung Yong Lee, Jae Min Lee
  • Patent number: 9890329
    Abstract: A quantum dot nanocrystal structure includes: a core of a compound M1A1, wherein M1 is a metal selected from Zn, Sn, Pb, Cd, In, Ga, Ge, Mn, Co, Fe, Al, Mg, Ca, Sr, Ba, Ni, Ag, Ti and Cu, and A1 is an element selected from Se, S, Te, P, As, N, I, and O; an inner shell having a composition containing a compound M1xM21-xA1yA21-y, wherein M2 is a metal selected from Zn, Sn, Pb, Cd, In, Ga, Ge, Mn, Co, Fe, Al, Mg, Ca, Sr, Ba, Ni, Ag, Ti and Cu, A2 is an element selected from Se, S, Te, P, As, N, I and O; and a multi-pod-structured outer shell of a compound M1A2 or M2A2 enclosing the inner shell and having a base portion and protrusion portions extending from the base portion.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: February 13, 2018
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Hsueh-Shih Chen, Guan-Hong Chen, Kai-Cheng Wang, Chang-Wei Yeh, Cheng-Wei Chang, Ching-Che Hung
  • Patent number: 9878296
    Abstract: A stabilized assembly including a first liquid phase of non-spherical droplets in a second liquid phase, wherein the second liquid phase is immiscible with the first phase, and nanoparticle surfactants assembled at an interface of the non-spherical droplets and the second phase is disclosed. The nanoparticle surfactants include nanoparticles and end-functionalized polymers that can interact through ligand type interactions, and the first phase is stabilized by a disordered, jammed layer of nanoparticle surfactants. A method of preparing a stabilized assembly is also disclosed.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: January 30, 2018
    Assignee: THE UNIVERSITY OF MASSACHUSETTS
    Inventors: Thomas P. Russell, Mengmeng Cui, Todd Emrick
  • Patent number: 9859505
    Abstract: The present invention provides charge transporting molecular glass mixtures, luminescent molecular glass mixtures, or combinations thereof comprising at least two nonpolymeric compounds each independently corresponding to the structure (R1Y1)p [(Z1Y2)mR2Y3JnZ2Y4R3 wherein m is zero or one; n is zero up to an integer at which said compound starts to become a polymer; p is an integer of from one to eight; each R1 and R3 is independently a monovalent aliphatic or cycloaliphatic hydrocarbon group having 1 to 20 carbon atoms, an aromatic group or a multicyclic aromatic nucleus; R2, Z1, and Z2 each independently represent multivalent aliphatic or cycloaliphatic hydrocarbon groups having 1 to 20 carbon atoms or an aromatic group; and Y1, Y2, Y3, and Y4 each independently represent one or more linking groups.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: January 2, 2018
    Assignee: Molecular Glasses, Inc.
    Inventor: Michel Frantz Molaire
  • Patent number: 9847490
    Abstract: Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: December 19, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Shigeru Matsuo, Hidetoshi Ono, Kiyoshi Ikeda, Hironori Kawakami, Masahide Matsuura, Mitsunori Ito
  • Patent number: 9808781
    Abstract: Methods for the fabrication of transparent conductive metal nanowire networks are provided, as well as metal nanowire networks fabricated by such methods. A metal nanowire network can be immersed in a solution and illuminated for a duration of time. Selective nucleation and growth of metal nanoparticles can be induced at the junctions between metal nanowires.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: November 7, 2017
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Wallace C. H. Choy, Haifei Lu
  • Patent number: 9796920
    Abstract: Disclosed herein is a quantum dot composite that can maintain luminous efficiency per unit quantum dot even when a quantum dot concentration is high, and therefore can achieve a high emission intensity. The quantum dot composite includes: a matrix; and quantum dots dispersed in the matrix, wherein the matrix is composed of cellulose acetate having a compositional distribution index (CDI) of 3.0 or less, and a concentration of the quantum dots is 0.05 wt % or higher.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: October 24, 2017
    Assignee: DAICEL CORPORATION
    Inventors: Shu Shimamoto, Toshikazu Nakamura
  • Patent number: 9788422
    Abstract: The present invention provides a conductive material including: (A) a ?-conjugated polymer, (B) a dopant polymer which contains one or more repeating units selected from “a1” to “a4” respectively represented by the following general formula (1) and has a weight-average molecular weight in the range of 1,000 to 500,000, and (C) one or more metal oxide nanoparticles whose metal oxide is selected from indium-tin oxides, tin oxides, antimony-tin oxides, antimony-zinc oxides, antimony oxides, and molybdenum oxides having a particle diameter of 1 to 200 nm. There can be provided a conductive material that has excellent film-formability and also can form a conductive film having high transparency and conductivity, superior flexibility and flatness when the film is formed from the material.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: October 10, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Nagasawa
  • Patent number: 9783708
    Abstract: An conductive paste comprises inorganic particles having alkylamine with 6 or less of carbon number on at least a portion of a surface, a polymer dispersant having a pigment affinity group in a main chain and/or a plurality of side chains, and, that comprising a polymer with a comb structure having a plurality of side chains constituting a solvation portion, a polymer having a plurality of pigment affinity portions made from a pigment affinity group in the main chain or a straight-chain polymer having a pigment affinity portion made from a pigment affinity group in one terminal of the main chain, a dispersion medium, wherein a weight reduction percentage at the time of heating solid content of the conductive paste from room temperature to 500° C. by thermal analysis is 15% by weight or less.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: October 10, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Miki Matsui, Takuya Tomura, Tomofumi Watanabe, Kenji Shimoyama
  • Patent number: 9754697
    Abstract: A conductive polymer composition including: a conductive polymer; and at least two solvents selected from solvents represented by the following formula (1) (excluding that both of the two solvents are a solvent represented by the formula (1) in which R1 is a straight-chain alkyl group and R2 is a straight-chain alkylene group): R1—O—R2—OH (1) wherein R1 is a straight-chain alkyl group or a branched alkyl group, and R2 is a straight-chain alkylene group or a branched alkylene group.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: September 5, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shingo Onodera, Go Nishimura
  • Patent number: 9745488
    Abstract: The application relates to a method of producing an electrostatic ink composition, the method comprising: mixing a resin and a conductive pigment in a continuous mixer to form a compounded mixture comprising particles comprising the resin and the pigment; adding a liquid carrier to the compounded mixture, such that the particles comprising the resin and the conductive pigment are dispersed in the liquid carrier; and, before, during or after adding the liquid carrier to the compounded mixture: imparting a charge on the particles comprising the resin and the pigment.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 29, 2017
    Assignee: Hewlett-Packard Indigo B.V.
    Inventors: Adi Vinegrad, Ruslan Tovberg, Eyal Negreanu, Olga Kagan, Yaron Grinwald, Reut Avigdor
  • Patent number: 9702046
    Abstract: Electroless copper plating baths include alternative reducing agents to the conventional reducing agents currently used in the electroless plating industry. The electroless copper baths are stable and deposit a salmon bright copper deposit on substrates. Exclusion of many environmentally unfriendly conventional reducing agents enables environmentally friendly electroless copper plating baths.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: July 11, 2017
    Assignees: Dow Global Technologies LLC, Rohm and Haas Electronic Materials LLC
    Inventors: David S. Laitar, Crystal P. L. Li, Andy Lok-Fung Chow
  • Patent number: 9683111
    Abstract: The present invention relates to the field of organic electronics, such as OLEDs, OPVs and organic photo detectors. It particularly provides intermediates and materials suitable for manufacturing such organic electronics, to specific manufacturing methods and to specific uses.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: June 20, 2017
    Assignee: Avantama AG
    Inventors: Norman Albert Lüchinger, Samuel Claude Halim
  • Patent number: 9683123
    Abstract: Provided is a silver ink including, as a major component, a silver malonate precursor represented by Formula 1 or Formula 2.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: June 20, 2017
    Assignee: PESOLVE CO., LTD.
    Inventors: Hyun Nam Cho, Hyun Ju Kim
  • Patent number: 9656867
    Abstract: This present invention relates to a method of synthesizing copper selenide powder by using a hot-injection method wherein a proper amount of a reducing agent is added to a mixed solution made of copper cationic solution and selenium anionic solution, and the mixed solution is maintained at a temperature of 230° C. for 40 minutes to obtain Copper Selenide powder. The Copper selenide powder, which is in the form of CuSe or Cu2-xSe, can be synthesized by adjusting the amount of the reducing agent being added to the mixed solution.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: May 23, 2017
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Hsing-I Hsiang, Chang-Ting Yang, Jui-Huan Tu, Juu-En Chang
  • Patent number: 9574091
    Abstract: A conductive paste including: (A) a silver powder; (B) a glass frit; (C) an organic binder; and (D) a powder containing copper, tin, and manganese.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: February 21, 2017
    Assignee: NAMICS CORPORATION
    Inventor: Yoshiaki Yoshii
  • Patent number: 9559243
    Abstract: Disclosed are an ink composition for manufacturing a light absorption layer including metal nano particles and a method of manufacturing a thin film using the same, more particularly, an ink composition for manufacturing a light absorption layer including copper (Cu)-enriched Cu—In bimetallic metal nano particles and Group IIIA metal particles including S or Se dispersed in a solvent and a method of manufacturing a thin film using the same.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: January 31, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Seokhee Yoon, Seokhyun Yoon, Taehun Yoon
  • Patent number: 9543079
    Abstract: The present invention relates to a production process for an electrode material, an electrode and an electric storage device, and the production process for an electrode material comprises a step of heating a polymer having a silicon-containing unit and a silicon-non-containing unit.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: January 10, 2017
    Assignee: JSR CORPORATION
    Inventors: Ryo Tanaka, Kouji Senoo, Takahiro Shimizu, Yukio Hosaka, Fujio Sakurai, Satoshi Shimobaba, Motoki Okaniwa, Nobuyuki Miyaki, Yuuichi Eriyama
  • Patent number: 9534120
    Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion-inhibiting compositions and particularly to the process for preparing said coated powder-pigments for coating substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated-aluminum alloy pigments.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: January 3, 2017
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Patent number: 9520593
    Abstract: The present invention relates to a method of preparing a cathode active material precursor for a lithium rechargeable battery, the cathode active material precursor for the lithium rechargeable battery prepared thereby, and a cathode active material formed using the cathode active material precursor. According to the present invention, the method of preparing a cathode active material precursor for a lithium secondary battery controls the concentration of a concentration gradient part and a shell part in a precursor to obtain a desired concentration of a transition metal in the shell part. As a result, a metal composition is distributed in a continuous concentration gradient from the interface between the core part and the shell part to the surface of the cathode active material, thereby a cathode active material with excellent thermal stability.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: December 13, 2016
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yang-Kook Sun, Hyung Joo Noh