Patents Examined by C. Melissa Koslow
  • Patent number: 9944849
    Abstract: The invention provides a light emitting diode device comprising a light emitting diode arranged on a substrate and a wavelength converting element. The wavelength converting element contains as a luminescent material a Mn4+-activated fluoride compound having a garnet-type crystal structure. The Mn4+-activated fluoride compound preferably answers the general formula {A3}[B2-x-yMnxMgy](Li3)F12-dOd, in which formula A stands for at least one element selected from the series consisting of Na+ and K+ and B stands for at least one element selected from the series consisting of Al3+, B3+, Sc3+, Fe3+, Cr3+, Ti4+ and In3+, and in which formula x ranges between 0.02 and 0.2, y ranges between 0.0 (and incl. 0.0) and 0.4 and d ranges between 0 (and incl. 0) and 1. Said compound is most preferably {Na3}[Al2-x-yMnxMgy](Li3)F12-dOd.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: April 17, 2018
    Assignee: Koninklijke Philips N.V.
    Inventors: Joerg Meyer, Volker Weiler, Peter J. Schmidt
  • Patent number: 9947484
    Abstract: An electrolyte solution intended for use in electrochemical devices which can achieve a high capacitance retention ratio even after long-term use at high voltage. The electrolyte solution of the present invention includes a mononitrile compound (I), at least one compound (II) selected from dinitrile compounds and trinitrile compounds, and a quaternary ammonium salt (III). The amount of the compound (II) in the electrolyte solution is 0.05 to 5% by mass.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: April 17, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventor: Kenzou Takahashi
  • Patent number: 9938459
    Abstract: An object of the present invention is to provide: an alkaline earth metal silicate phosphor to which Eu is added as an activator, and which has an emission peak wavelength of 600 nm or more, high luminance and excellent color rendering properties; and a method for producing the alkaline earth metal silicate phosphor. An alkaline earth metal silicate phosphor of the present invention is represented by composition formula (1) and having an emission peak wavelength of 600 nm or more and a circularity of 85% or more. Composition formula (1): (SraCabBacEud)2SieOf (in the formula, a, b, c, d, e and f satisfy 0.4<a<0.6, 0.4<b<0.6, 0.01<c<0.05, 0.01?d<0.4,0.7?e?1.3, 3.0?f?5.0 and a+b+c+d=1).
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: April 10, 2018
    Assignees: SUMITOMO METAL MINING CO., LTD, TOHOKU UNIVERSITY
    Inventors: Tetsufumi Komukai, Jun Yokoyama, Masato Kakihana, Satoko Tezuka, Hideki Kato
  • Patent number: 9941456
    Abstract: Disclosed is a thermoelectric material with excellent thermoelectric conversion performance. The thermoelectric material includes a matrix having Cu and Se, a Cu-containing particle, and an Ag-containing structure.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: April 10, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Kyung-Moon Ko, Tae-Hoon Kim, Cheol-Hee Park
  • Patent number: 9926488
    Abstract: A phosphor, having a general formula of K2[Si1-xGex]yF6:Mn1-y4+. The phosphor is excited to emit a light having a first main emission peak with a first maximum emission intensity and a first dominant wavelength, wherein a relative emission intensity S of the light of the phosphor is constantly greater than 85% across an temperature of the phosphor between 300 K and 470 K during operation, wherein S=(IT/IRT)*100%, IRT and IT are the first maximum emission intensity when the temperature of the phosphor is at 300 K and T during operation respectively, and 300 K<T?470K.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: March 27, 2018
    Assignee: EPISTAR CORPORATION
    Inventors: Chun Che Lin, Ling-Ling Wei, Ru-Shi Liu, Ming-Chi Hsu, Ai-Sen Liu
  • Patent number: 9926489
    Abstract: The present disclosure relates to a fluorescent powder and a light-emitting device including the same. The fluorescent powder includes an inorganic compound. The inorganic compound contains components including an element M, an element A, an element D, an element E, and an element R. The element M is selected from Eu, Ce, Mn, Tb, Dy, and Tm, the element A is selected from Mg, Ca, Sr, and Ba, the element D is selected from B, Al, Ga, In, La, Gd, Sc, Lu, and Y, the element E is selected from Si, Ge, Zr, and Hf, and the element R is at least two elements selected from N, O, F, and Cl. In a powder X-Ray Diffraction (XRD) spectrum with CoK? radiation, the inorganic compound at least has diffraction peaks within ranges of an Bragg angle (2?) from 27.3° to 28.3°, 29.7° to 30.7°, 41.9° to 42.9°, and 43.5° to 44.5°.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: March 27, 2018
    Assignees: GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS, GRIREM ADVANCED MATERIALS CO., LTD.
    Inventors: Ronghui Liu, Huibing Xu, Xiaofang Zhou, Chunlei Zhao, Qian Ma, Yuanhong Liu, Huaqiang He, Xiaowei Huang
  • Patent number: 9928821
    Abstract: The invention relates to a composite comprising matrix material and organic natural fiber material. The composite may be a compound, a granulate, or at least a part of a sound reproduction device. The composite may be made by injection molding. According to an embodiment a composite comprises matrix material and organic natural fiber based material, wherein the matrix material comprises a thermoplastic polymer matrix. The composite may comprise a relative sound wave resistance of 1500-5000. The composite may comprise a relative damping of sound radiation of 1.5-5.0. The composite may comprise a dynamic modulus of 2000-11000 measured according to ISO 6721-3. The composite may comprise a relative acoustic quality factor of 5-200. The composite may comprise a relative factor of viscous damping of 0.500-0.005.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: March 27, 2018
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie, Kari Luukko, Stefan Fors
  • Patent number: 9929359
    Abstract: A composition is provided containing a first phosphorescent compound (DB) having an emission spectrum whose maximum peak wavelength is from 400 nm to less than 480 nm and having a dendron and a second phosphorescent compound (DGR) having an emission spectrum whose maximum peak wavelength is from 480 nm to less than 680 nm and having a dendron.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: March 27, 2018
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiaki Sasada, Makoto Anryu, Seiichirou Yokoya
  • Patent number: 9920246
    Abstract: The present invention relates to silicate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: March 20, 2018
    Assignee: Merck Patent GmbH
    Inventors: Ralf Petry, Holger Winkler, Thomas Juestel, Matthias Mueller
  • Patent number: 9920244
    Abstract: The present invention related to a nitride phosphor represented by the following general formula (1), the nitride phosphor having an x value of less than 0.43 in luminescent color coordinates (x, y) upon being excited with excitation light of 455 nm, and a reflectance Ra of 89% or more at 770 nm; LnxSiyNn:Z??(1), wherein Ln is a rare-earth element excluding the element used as an activator, Z is an activator, x satisfies 2.7?x?3.3, y satisfies 5.4?y?6.6, and n satisfies 10?n?12.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: March 20, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Satoshi Shimooka, Akihiro Ohto, Shiho Takashina
  • Patent number: 9923233
    Abstract: A method for producing a lithium composition capable of suppressing the generation of polysulfides is provided. The method for producing a lithium composition includes a first aqueous solution forming step of forming a first aqueous solution by reacting iodine with a reducing aqueous solution containing calcium oxide, formic acid, and water under a condition of a pH of 5.5 or more and a pH of 10.21 or less through heating, a second aqueous solution forming step of forming a second aqueous solution by adding calcium oxide to the first aqueous solution, a third aqueous solution forming step of forming a third aqueous solution by adding lithium carbonate to the second aqueous solution, and a Li2S forming step of forming the lithium sulfide (Li2S) by sulfurizing lithium hydroxide (LiOH) to form lithium hydrosulfide (LiHS) and then eliminating hydrogen sulfide from lithium hydrosulfide (LiHS).
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: March 20, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuichi Hashimoto, Takuo Yanagi, Takayoshi Doi
  • Patent number: 9923197
    Abstract: A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: March 20, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Byoungsun Lee, Heechul Jung, Kanghee Lee, Jinhwan Park, Changhoon Jung, Kihong Kim, Yoonsok Kang, Dongyoung Kim
  • Patent number: 9909060
    Abstract: Provided are an oxynitride phosphor comprising a JEM crystal as a main component and being characterized by light-emitting properties (light emission color or excitation property, light emission spectrum) that is different from the known JEM phosphor, and an application thereof. The phosphor of the present invention comprises the JEM crystal activated with Eu and represented by MAl(Si, Al)6(O, N)10 (where the M element is one or more elements selected from the group consisting of Ca, Sr, Eu, La, Sc, Y, and lanthanoid elements; and includes at least Eu as well as Ca and/or Sr).
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: March 6, 2018
    Assignee: National Institute for Materials Science
    Inventors: Naoto Hirosaki, Takashi Takeda, Shiro Funahashi, Eiichirou Narimatsu
  • Patent number: 9905375
    Abstract: Provided is a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution is prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution comprises a diethylpyrrolidinium salt and/or a 1-ethyl-1,3-dimethylpyrrolidinium salt.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: February 27, 2018
    Assignee: OTSUKA CHEMICAL CO., LTD.
    Inventors: Yoshihisa Tokumaru, Taiji Nakagawa, Shoji Hiketa, Koichi Sorajo
  • Patent number: 9893267
    Abstract: A piezoelectric material that has good insulating properties and piezoelectricity and is free of lead and potassium and a piezoelectric element that uses the piezoelectric material are provided. The piezoelectric material contains copper and a perovskite-type metal oxide represented by general formula (1): (1?x){(NayBa1?z)(NbzTi1?z) O3}-xBiFeO3 (where 0<x?0.015, 0.80?y?0.95, and 0.85 ?z?0.95). In the piezoelectric material, 0.04 mol % or more and 2.00 mol % or less of Cu is contained relative to 1 mol of the perovskite-type metal oxide. Also provided is a piezoelectric element that includes a first electrode, a piezoelectric material, and a second electrode, in which the piezoelectric material described above is used as the piezoelectric material.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: February 13, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Kubota, Shunsuke Murakami, Takayuki Watanabe, Miki Ueda
  • Patent number: 9892831
    Abstract: The invention provides an R—Fe—B sintered magnet consisting essentially of 12-17 at % of R, 0.1-3 at % of M1, 0.05-0.5 at % of M2, 4.8+2*m to 5.9+2*m at % of B, and the balance of Fe, containing R2(Fe,(Co))14B intermetallic compound as a main phase, and having a core/shell structure that the main phase is covered with a HR-rich layer and a (R,HR)—Fe(Co)-M1 phase wherein HR is Tb, Dy or Ho. The sintered magnet exhibits a coercivity ?10 kOe despite a low content of Dy, Tb, and Ho.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 13, 2018
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Koichi Hirota, Hiroaki Nagata, Tetsuya Kume, Hajime Nakamura
  • Patent number: 9884993
    Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: February 6, 2018
    Assignee: NANOSYS, INC.
    Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
  • Patent number: 9884989
    Abstract: To provide Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams, having lower gamma-ray sensitivity and providing lower afterglow, and being specialized for the purpose of detecting particle beams, and its manufacturing method. Zinc Sulfide activated with Silver (ZnS:Ag) based fluorescent material for detecting particle beams emits fluorescence with wavelengths from 320 nm to 580 nm in response to alpha-ray irradiation, and has a fluorescence spectrum with a peak wavelength from 395 nm to 410 nm.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: February 6, 2018
    Assignee: Japan Atomic Energy Agency
    Inventors: Tatsuya Nakamura, Masaki Katagiri, Yasunobu Noguchi, Hirofumi Ooguri
  • Patent number: 9869777
    Abstract: Provided is a scintillator having a crystal containing CsI (cesium iodide) as a host material thereof and thallium (Tl) and bismuth (Bi), and a novel scintillator which maintains a high output and simultaneously can further enhance the afterglow characteristics. There is proposed a scintillator having a crystal containing CsI (cesium iodide) as a host material thereof and Tl, Bi and O, wherein the concentration a of Bi with respect to Cs in the crystal is 0.001 atomic ppm?a?5 atomic ppm; and the ratio (a/b) of the concentration a of Bi with respect to Cs in the crystal to the concentration b of O with respect to I in the crystal is 0.005×10?4 to 200×10?4.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: January 16, 2018
    Assignee: Nihon Kessho Kogaku Co., Ltd.
    Inventor: Daisuke Totsuka
  • Patent number: 9870874
    Abstract: The present invention relates to the electrochemical field, particularly to an electrolyte solute and an electrolyte that are used for a high-voltage supercapacitor, and a high-voltage supercapacitor using the electrolyte. The anion of the electrolyte solute may be one or more selected from tetrafluoroborate, hexafluorophosphate, bis(trifluoromethylsulfonyl) imide, tris (trifluoromethylsulfonyl) methyl and perfluoroalkyl sulfonate, and the cation may be N-methyl-1,4-diazabicyclo[2.2.2]octane ammonium, N,N-dimethyl-1,4-diazabicyclo[2.2.2]octane ammonium, N-methyl-1-azabicyclo[2.2.2]octane ammonium. The high-voltage supercapacitor fabricated by using the electrolyte formulated by the electrolyte solute of the present invention can work stably for a long period of time at a voltage of 2.7 V to 3.2 V, the energy density is greatly increased, the property of high power density is maintained, and the working life is prolonged.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: January 16, 2018
    Assignee: Shenzhen Capchem Technology Co., LTD.
    Inventors: Zhongtian Zheng, Yingjie Cao, Chaowei Cao, Longliang Xue, Xiaoxia Xiang