Patents Examined by Lynne Edmondson
  • Patent number: 11060023
    Abstract: A process for preparing a population of coated phosphor particles is presented. The process includes combining particles of a phosphor of formula I: Ax [MFy]:Mn4+ with a first solution including a compound of formula II: Ax[MFy] to form a suspension, where A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is an absolute value of a charge of the [MFy] ion; and y is 5, 6 or 7. The process further includes combining a second solution including a source A+ ions with the suspension.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: July 13, 2021
    Inventors: Fangming Du, Clark David Nelson, Sara Ann Krosschell
  • Patent number: 11056257
    Abstract: An object is to provide a magnetic compound excellent in high frequency properties and excellent in mechanical strength, and its related items, using the polyarylene sulfide resin, and to provide a technique regarding the magnetic compound having a metal magnetic powder and a polyarylene sulfide resin, and satisfying both mechanical strength and high frequency properties.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: July 6, 2021
    Inventors: Takayuki Yoshida, Masahiro Gotoh, Toshihiko Ueyama, Takuyuki Baba, Toru Suzuki, Koji Tanaka
  • Patent number: 11043318
    Abstract: According to one embodiment, a multi-layer magnetic nanoparticle includes a core; a first magnetic layer deposited on a surface of the core; a second magnetic layer deposited on a surface of the first magnetic layer, and a third magnetic layer deposited on a surface of the second magnetic layer. The core, the first magnetic layer, the second magnetic layer, and the third magnetic layer comprise different magnetic anisotropies and/or saturation magnetizations with respect to each other.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: June 22, 2021
    Assignee: International Business Machines Corporation
    Inventors: Diana J. Hellman, Pierre-Olivier Jubert
  • Patent number: 11041120
    Abstract: Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: June 22, 2021
    Inventors: Tadayuki Isaji, Naoki Otani, Masahiro Ueda, Takayoshi Kawasaki
  • Patent number: 11041122
    Abstract: Embodiments of the invention include a wavelength-converting composition as defined by R3-x-y-zAx+yMzSi6-w1Alw1O3x+y+w1N11-7x/3-y-w1?2-2x/3, with ? being vacancies of the structure that are filled by oxygen atoms with 0<x?3, ?3?y<3, 0<z<1,0?w1?6, 0?x+y, x+y+z?3, 11?7/3x?y?w1?0, and 3x+y+w1?13. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: June 22, 2021
    Assignee: Lumileds LLC
    Inventors: Peter Josef Schmidt, Dajana Durach, Wolfgang Schnick
  • Patent number: 11041118
    Abstract: The present invention provides a method for producing a fluoride fluorescent material, comprising: contacting a fluoride particles represented by the following general formula (I): K2[M1?aMn4+aF6]??(I) wherein M is at least one member selected from the group consisting of elements belonging to Groups 4 and 14 of the Periodic Table, and a satisfies the relationship: 0<a<0.2; with a solution containing alkaline earth metal ions in the presence of a reducing agent to form an alkaline earth metal fluoride and less than tetravalent manganese ions on the surface of the fluoride particles.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: June 22, 2021
    Inventor: Tomokazu Yoshida
  • Patent number: 11021650
    Abstract: A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: June 1, 2021
    Inventors: Ha Il Kwon, Tae Gon Kim, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Garam Park
  • Patent number: 11014826
    Abstract: An object of the present invention is to provide ferrite particles having a high saturation magnetisation, and being excellent in the dispersibility in a resin, a solvent or a resin composition, a resin composition including the ferrite particles, and a resin film composed of the resin composition. The ferrite particles are a single crystalline body having an average particle size of 1 to 2000 nm, and Mn-based ferrite particles having a spherical shape, and have a saturation magnetisation of 45 to 95 Am2/kg. The resin composition includes the ferrite particles as a filler. The resin film is composed of the resin composition.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: May 25, 2021
    Assignee: POWDERTECH CO., LTD.
    Inventors: Takashi Kojima, Kazutaka Ishii, Takao Sugiura, Tetsuya Igarashi, Koji Aga
  • Patent number: 11014813
    Abstract: A multiferroic material for magnetic and electric switching including Iron selenide (Fe3Se4) nanoparticles and its derivatives or doped with at least one element selected from transitional metals, rare earths elements or combination of the two and chalcogens. Ferroelectric polarization and coupling of magnetic and ferroelectric behavior in the doped Fe3Se4 is observed at a temperature ranging from 15 to 30° C.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: May 25, 2021
    Inventors: Mousumi Sen, Pankaj Poddar
  • Patent number: 11015119
    Abstract: An ultraviolet light-emitting phosphor having excellent degradation resistance and emission intensity is provided. The ultraviolet light-emitting phosphor is a phosphor comprising yttrium element, scandium element, aluminum element and oxygen element, which is excited by irradiation of vacuum ultraviolet rays or electron beams to emit ultraviolet rays.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: May 25, 2021
    Assignee: Dyden Corporation
    Inventor: Kiichiro Egoshi
  • Patent number: 11001753
    Abstract: A phosphor comprises a crystal phase that has a chemical composition of (Y1-x-y,Cex,Lay)?Si?-zAlzN?O, where the ? satisfies 5.5???6.5, the ? satisfies 9.5???12.5, the ? satisfies 17.5???22.5, the x satisfies 0<x?0.1, the y satisfies 0?y?0.4, and the z satisfies 0?z?0.5. A light emission spectrum of the phosphor includes a peak within a wavelength range of not less than 600 nm and not more than 660 nm.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: May 11, 2021
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Mitsuru Nitta, Nobuaki Nagao
  • Patent number: 10995034
    Abstract: Disclosed herein are embodiments of composite hexagonal ferrite materials formed from a combination of Y phase and Z phase hexagonal ferrite materials. Advantageously, embodiments of the material can have a high resonant frequency as well as a high permeability. In some embodiments, the materials can be useful for magnetodielectric antennas.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: May 4, 2021
    Assignee: Skyworks Solutions, Inc.
    Inventors: Michael David Hill, Srinivas Polisetty, Constance M. Griffith
  • Patent number: 10988408
    Abstract: A conversion material for a white or colored light source is provided. The material includes a matrix glass that, as bulk material, for a thickness of about 1 mm, has a pure transmission of greater than 80% in the wavelength region from 350 to 800 nm and in the region in which the primary light source emits light, wherein the sum of transmission and reflection of the sintered matrix glass without luminophore is at least greater than 80% in the spectral region from 350 nm to 800 nm and in the spectral region in which the primary light source emits light.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: April 27, 2021
    Assignee: SCHOTT AG
    Inventors: Rainer Liebald, Claudia Stolz, Peter Brix, Simone Monika Ritter, Peter Nass, Dieter Goedeke, Sabine Pichler-Wilhelm, Sabrina Wimmer
  • Patent number: 10962705
    Abstract: The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: March 30, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Dong Mok Shin, Byeong In Ahn, Nari Kim, Ji Ho Kim, Joo Yeon Seo
  • Patent number: 10961451
    Abstract: A fluorescent material is provided that has improved luminance and can generate fluorescence by excitation light in wider wavelength range. A fluorescent material represented by a general formula LaxCeySi6N8+x+y, wherein 2.0?x?3.5, 0<y?1.0, wherein the fluorescent material comprises 10 to 10000 ppm of Ba and/or Sr, and wherein a first wavelength and a second wavelength at which excitation intensities are 70% of the maximum of the excitation intensities are present in a wavelength range of 400 to 510 nm, the second wavelength being longer than the first wavelength, and a difference between the first wavelength and the second wavelength being 70 nm or more.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: March 30, 2021
    Inventors: Takashi Kaide, Shoji Hosokawa
  • Patent number: 10954435
    Abstract: The present invention relates to a luminescent rare earth compound and dichroism fluorescent composition thereof, and more particularly, the luminescent rare earth compound is a luminescent rare earth compound excited by shortwave UV (Ultra-Violet). The luminescent rare earth compound and/or products applied with the luminescent rare earth compound according to the present invention can emit strong red and green colors by being excited at 240-330 nm range of wavelengths, while not being excited at 360-380 nm range of wavelengths, and showing no colors under visible light. Furthermore, the compound may be variably utilized to printed materials and plastic mold products because of possessing high heat resistance, high light resistance and high dispersibility of medium light.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: March 23, 2021
    Assignee: NANO CMS CO., LTD.
    Inventors: In Ja Lee, Je Young Park, Shi Surk Kim
  • Patent number: 10910550
    Abstract: The invention relates to a piezoceramic material with reduced lead content, based on potassium sodium niobate (PSN) and having a defined parent composition. According to the invention the manner of addition of a mixture of Pb, Nb and optionally Ag and optionally Mn gives a wide sintering range together with reproducible electrical and mechanical properties of the material.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: February 2, 2021
    Assignee: PI CERAMIC GMBH
    Inventors: Eberhard Hennig, Antje Kynast, Michael Töpfer, Michael Hofmann
  • Patent number: 10907092
    Abstract: Methods of making luminescent perovskite-polymer composites are provided and structures using the same. Perovskite-polymer composites made by the method described herein are provided. The perovskite-polymer composite is useful in many applications including downconverters for backlight units (BLU) of liquid crystal displays (LCDs), as well as for and could be used for light emitting devices, lasers or as active absorber or passive luminescent concentrators for solar photovoltaic applications.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: February 2, 2021
    Assignee: University of Central Florida Research Foundation, Inc.
    Inventors: Yajie Dong, Yanan Wang, Shin-Tson Wu, Juan He, Hao Chen, Jiangshan Chen
  • Patent number: 10899965
    Abstract: A fluorescent material particle including: a particle that contains a thiogallate phosphor and a first adherent member containing boron oxide and being disposed on the surface of the particle, a method for producing the fluorescent material particles, and a light emitting device are provided.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: January 26, 2021
    Inventors: Tsunehito Niimi, Koji Kajikawa, Hirofumi Ooguri
  • Patent number: 10894745
    Abstract: A ferrite composition includes a main component and an accessory component. The main component includes 43.0 to 51.0 mol % of iron oxide in terms of Fe2O3, 5.0 to 15.0 mol % of copper oxide in terms of CuO, 1.0 to 24.9 mol % of zinc oxide in terms of ZnO, and a remaining part of nickel oxide. The accessory component includes 0.2 to 3.0 pts. wt. of silicon compound in terms of SiO2, 3.0 to 8.0 pts. wt. of cobalt compound in terms of Co3O4 (excluding 3.0 pts. wt.), and 0.2 to 8.0 pts. wt. of bismuth compound in terms of Bi2O3 with respect to 100 pts. wt. of the main component.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 19, 2021
    Inventors: Kouichi Kakuda, Ryuichi Wada, Yukio Takahashi, Hiroyuki Tanoue, Tatsuro Suzuki, Takahiro Sato, Takashi Suzuki