Patents Examined by Carol M Koslow
  • Patent number: 10084119
    Abstract: A light-emitting device (1) includes a substrate (2); a wiring pattern (3), an electrode land (4), a sealing resin layer (5), a wire (7), and a resin dam (9) that are disposed on the substrate (2); at least one light-emitting element (6) that emits light having a peak emission wavelength in a wavelength range of 430 to 480 nm; a green phosphor (10) that is excited by primary light emitted from the light-emitting element (6) to emit light having a peak emission wavelength in a green region; and a first red phosphor (11) that is excited by the primary light to emit light having a peak emission wavelength in a red region. The first red phosphor (11) emits no light in a wavelength range of 700 nm or more and absorbs no light in a wavelength range of 550 to 600 nm.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: September 25, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroaki Onuma, Masataka Andou, Masatsugu Masuda
  • Patent number: 10081854
    Abstract: Manufacturing a cold-rolled steel plate by smelting a steel slab having the chemical composition containing on the basis of percent by mass, C from 0.03 to 0.12%, Si from 0 to 1.0%, Mn from 0.2 to 0.8%, P at 0.03% or less, S at 0.03% or less, Ti from 0.04 to 0.3%, and Al at 0.05% or less, with a residue being formed of Fe and unavoidable impurities, the chemical composition satisfying 5*C %?Si %+Mn %?1.5 *Al %<1, and an average diameter of particles of a Ti-based carbide as a precipitate is from 20 to 100 nm; heating the slab to 1200° C. or more and hot rolling, forming a hot-rolled steel plate; winding the hot-rolled steel plate from 500 to 700° C. to form a hot-rolled coil; and cold rolling or annealing and cold rolling the coil obtaining cross-sectional hardness from 200 to 400 HV.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 25, 2018
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Tomohiro Imanaka, Kouji Omosako, Masahito Suzuki
  • Patent number: 10077400
    Abstract: A method of making a colloidal suspension of photoluminescent porous silicon particles involves removing a layer of porous silicon from a substrate using a first ultrasound energy to form a first plurality of porous silicon particles in a colloidal suspension. The first plurality of porous silicon particles in the colloidal suspension are exposed to a second ultrasound energy to reduce the size of the first plurality of porous silicon particles in the colloidal suspension, thereby forming a second plurality of porous silicon particles in a colloidal suspension, wherein the second plurality of porous silicon particles are in the amorphous phase.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: September 18, 2018
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY (KAUST)
    Inventors: Sahraoui Chaieb, Asad Mughal
  • Patent number: 10072317
    Abstract: A filament according to an aspect of the present invention includes a predetermined chemical composition, in which a diameter r of the filament is 0.15 mm to 0.35 mm, a soft portion is formed along an outer circumference of the filament, the Vickers hardness of the soft portion is lower than that of a position of the filament at a depth of ¼ of the diameter r by Hv 50 or higher, the thickness of the soft portion is 1 ?m to 0.1×r mm, the metallographic structure of a center portion of the filament contains 95% to 100% of pearlite by area %, the average lamellar spacing of pearlite in a portion from a surface of the filament to a depth of 1 ?m is less than that of pearlite at the center of the filament, the difference between the average lamellar spacing of pearlite in the portion from the surface of the filament to the depth of 1 ?m and the average lamellar spacing of pearlite at the center of the filament is 2.0 nm or less, and the tensile strength is 3200 MPa or higher.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: September 11, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Daisuke Hirakami, Makoto Okonogi
  • Patent number: 10074476
    Abstract: A ferrite composition composed of a main component including 26 to 46 mol % of an iron oxide in terms of Fe2O3, 4 to 14 mol % of a copper oxide in terms of CuO, 0 to 26 mol % of a zinc oxide in terms of ZnO, and a residue of 40.0 mol % or more of a nickel oxide in terms of NiO. The ferrite composition, with respect to 100 parts by weight of the main component, is also composed of a subcomponent including 0.8 to 10.0 parts by weight of a silicon compound in terms of SiO2, 1.0 to 15.0 parts by weight of a cobalt compound in terms of Co3O4, and 0.7 to 30.0 parts by weight of a bismuth compound in terms of Bi2O3. A value of the cobalt compound content in terms of Co3O4 divided by the silicon compound content in terms of SiO2 is 0.4 to 5.5.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 11, 2018
    Assignee: TDK CORPORATION
    Inventors: Hiroki Choto, Takeshi Shibayama, Ryuichi Wada, Kouichi Kakuda, Yukari Akita, Asuka Murai, Yukio Takahashi, Takashi Suzuki, Akinori Ohi
  • Patent number: 10050191
    Abstract: The present invention provides oxide particles having a compositional formula of Pb(ZrxTi1-x)O3, wherein x is 0.46?x?0.6; wherein a size of the particle is from 0.5 to 10 ?m; a porosity of a surface of the particle is 20% or less; and a shape of the particle is any one of a cube, a rectangular parallelepiped, or a truncated octahedron.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 14, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Tsutomu Sasaki, Masayuki Suzuki
  • Patent number: 9917231
    Abstract: A fluoride phosphor may include: a fluoride represented by a composition formula: AxMFy:Mnz4+, where A is at least one selected from among Li, Na, K, Rb, and Cs, M is at least one selected from among Si, Ti, Zr, Hf, Ge and Sn, a composition ratio (x) of A satisfies 2?x?3, a composition ratio (y) of F satisfies 4?y?7, and a composition ratio (z) of Mn satisfies 0<z?0.17.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: March 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Won Park, In Hyung Lee, Tae Hoon Kim, Ji Ho You, Chi Woo Lee, Chul Soo Yoon
  • Patent number: 9893260
    Abstract: Provided is a thermoelectric material which can increase its anomalous Nernst angle. The thermoelectric material of a magnetic material for a thermoelectric power generation device employs the anomalous Nernst effect, including iron doped with iridium.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: February 13, 2018
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Yohei Kinoshita, Yuya Sakuraba, Taisuke Sasaki, Kazuhiro Hono
  • 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: 9862885
    Abstract: A hybrid nanophosphor includes red silicon nanoparticles in a homogenous mixture blue and green phosphors. A preferred hybrid nanophosphor uses ZnS: Ag, and ZnS: Cu, Au, Al for blue and green conversion, respectively, and mono dispersed 3 nm Si nano particles as a red phosphor. Wide emission profiles are provided by all components, and predetermined color characteristics in terms of CCT and CRI can be achieved simultaneously for excitation. A preferred lighting device includes a nanophosphor thin film of the invention on a UV or near UV-LED.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: January 9, 2018
    Inventor: Munir H. Nayfeh
  • Patent number: 9862884
    Abstract: The present invention relates to a red phosphor, which includes an element A, magnesium, aluminum, oxygen, and manganese in Chemical Formula (1) that is (A1?xMgx)4AI14?yO25:?Mn4+. The element A in the Chemical Formula (1) is at least one of strontium, barium, and calcium, and x and y in the Chemical Formula (1) satisfy the relational expressions 0<=x<1 and 0<y<1.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: January 9, 2018
    Assignee: OSRAM GmbH
    Inventors: Zhong Shi Liu, Wenhui Zhao, Xiping Jing
  • Patent number: 9856418
    Abstract: Disclosed is a phosphor including at least one of a nitride and an oxynitride, wherein the nitride and the oxynitride contain an alkaline-earth metal element, silicon, and an activator element. wherein the phosphor has a volume average particle diameter of greater than or equal to about 50 nm and less than or equal to about 400 nm and an inner quantum efficiency of greater than or equal to about 60% at an excitation wavelength of about 450 nm. The method of preparing a phosphor includes a precursor preparation process of preparing a phosphor precursor particles including a silicon nitride particles, a compound containing an alkaline-earth metal element, and a compound containing an activator element, wherein the compound containing an alkaline-earth metal element and the compound containing an activator element are deposited on the surface of the silicon nitride particles; and a firing process of firing the phosphor precursor particles.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: January 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Takuya Kitabatake, Fusaki Fujibayashi, Hiroko Endo, Masahide Yamada, Takatoshi Seto
  • Patent number: 9856417
    Abstract: The invention relates to Eu2+-activated phosphors, to a process for the preparation of these compounds, and to phosphor mixtures, light sources and lighting units which comprise the Eu2+-activated phosphors according to the invention.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: January 2, 2018
    Assignee: Merck Patent GmbH
    Inventors: Ralf Petry, Holger Winkler, Tim Vosgroene, Christof Hampel, Andreas Benker, Thomas Juestel
  • Patent number: 9856419
    Abstract: Compositions are generally provided that include an oxyfluoride compound. In one embodiment, the oxyfluoride compound has the formula: NaCa2?xAxGeO4?zF1?yNz where A is Ba, Sr, or a mixture thereof; 0.01?x?0.1; 0?y?0.2; and 0?z?0.1. Methods of forming such compounds are also generally provided.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: January 2, 2018
    Assignee: University of South Carolina
    Inventors: Thomas Vogt, Sonali Mitra
  • Patent number: 9853172
    Abstract: Luminescent solar concentrator (LSC) comprising an aqueous microemulsion including at least one photoluminescent compound. Said luminescent solar concentrator (LSC) can be advantageously used in solar devices (i.e. devices for exploiting solar energy) such as, for example, photovoltaic cells (or solar cells), photoelectrolytic cells. Said luminescent solar concentrator (LSC) can also be advantageously used in photovoltaic windows.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: December 26, 2017
    Assignee: Eni S.p.A.
    Inventors: Lilliana Gila, Roberto Fusco, Emilio Lucchelli
  • Patent number: 9847469
    Abstract: Provided is a thermoelectric material satisfying (MX)1+a(TX2)n and having a superlattice structure, wherein M is at least one element selected from the group consisting of Group 13, Group 14, and Group 15, T is at least one element selected from Group 5, X is a chalcogenide element, a is a real number satisfying 0<a<1, and n is a natural number of 1 to 3.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: December 19, 2017
    Assignees: SK INNOVATION CO., LTD., UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hyeung Jin Lee, Yong Rae Cho, Jong-Soo Rhyee, Yoo Jang Song, Jin Hee Kim
  • Patent number: 9842985
    Abstract: Provided are a barium titanate-based piezoelectric ceramics having satisfactory piezoelectric performance and a satisfactory mechanical quality factor (Qm), and a piezoelectric element using the same. Specifically provided are a piezoelectric ceramics, including: crystal particles; and a grain boundary between the crystal particles, in which the crystal particles each include barium titanate having a perovskite-type structure and manganese at 0.04% by mass or more and 0.20% by mass or less in terms of a metal with respect to the barium titanate, and the grain boundary includes at least one compound selected from the group consisting of Ba4Ti12O27 and Ba6Ti17O40, and a piezoelectric element using the same.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: December 12, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tatsuya Suzuki, Masami Tsukamoto, Mikio Shimada, Toshihiro Ifuku, Takanori Matsuda, Makoto Kubota, Jumpei Hayashi
  • Patent number: 9837584
    Abstract: Embodiments of the present invention provide a bluish green phosphor represented by Formula 1 below. In particular, the bluish green phosphor and a light emitting device package including the same may have improved luminescence characteristics and properties due to influence of cations and anions included in a composition formula: AaBbOcNdGeDfEg:REh??[Formula 1] wherein A is at least one selected from the group consisting of Be, Mg, Ca, Sr, Ba and Ra elements, B is at least one selected from the group consisting of Si, Ge and Sn elements, G is any one of C, Cl, F and Br elements, D is one element or a mixture type of two or more elements selected from Li, Na and K, E is at least one selected from the group consisting of P, As, Bi, Sc, Y and Lu, RE is at least one selected from the group consisting of Eu, Ce, Sm, Er, Yb, Dy, Gd, Tm, Lu, Pr, Nd, Pm and Ho, 0<a?15, 0<b?15, 0<c?15, 0<d?20, 0<e?10, 0<f?6, 0<g?6, and 0<h?10.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: December 5, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Soo Yoo, Jin Sung Kim, Jong Woo Yoo, Ju A Yoo, Seong Wook Lee
  • Patent number: 9828545
    Abstract: An (oxy)nitride phosphor powder has a fluorescence peak wavelength of 610 to 625 nm and also has higher external quantum efficiency than the conventional one. The (oxy)nitride phosphor powder includes an ?-type SiAlON and aluminum nitride, represented by the compositional formula: Cax1Eux2Si12?(y+z)Al(y+z)OzN16?z wherein x1, x2, y, z fulfill the following formulae: 1.60?x1+x2?2.90, 0.18?x2/x1?0.70, 4.0?y?6.5, 0.0?z?1.0. The powder can additionally contain Li in an amount of 50 to 10000 ppm. The content of the aluminum nitride may be more than 0 mass % to less than 33 mass %.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: November 28, 2017
    Assignee: Ube Industries, Ltd.
    Inventors: Mao Sumino, Kazuki Iwashita, Takuma Sakai, Masataka Fujinaga, Shinsuke Jida
  • Patent number: 9815742
    Abstract: An oxide ceramic having a principal component formed of a ferrite compound containing at least Sr, Co, and Fe, and zirconium in an amount of 0.05 to 1.0 wt. % on an oxide equivalent basis, and a ceramic electronic component using the oxide ceramic.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: November 14, 2017
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Sakyo Hirose, Tsuyoshi Kimura