Patents Examined by Melissa Koslow
  • Photoluminescent premixed compositions, related methods and uses
    Patent number: 11725140
    Abstract: A premixed photoluminescent composition and related hardened form and method of forming joints for pavers or stones. The premixed photoluminescent composition comprises solid aggregates; a photoluminescent particulate component adapted to emit light when photoexcited; and a binder. When in contact with an activator, oxygen or water, the binder is adapted to harden into a water-resistant binder matrix that bonds the solid aggregates and embeds the photoluminescent particulate component. In use, the water-resistant binder matrix has a transparency allowing transmission of at least a portion of the light emitted by the photoluminescent particulate component.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: August 15, 2023
    Assignee: Alliance Designer Products Inc.
    Inventors: Giacomo Tutino, Alain Daoust
  • Quantum dots and quantum dot solutions
    Patent number: 11718786
    Abstract: Quantum dots including semiconductor nanocrystals, methods of producing the same, and quantum dot solutions and electronic devices including the same. The quantum dots do not include cadmium, lead, or a combination thereof. The quantum dots include an organic ligand and a halogen on the surfaces, and the quantum dots are dispersible in an organic solvent to form organic solutions.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Kwanghee Kim, Eun Joo Jang, Dae Young Chung, Sujin Park
  • Quantum dots and device including the same
    Patent number: 11718789
    Abstract: A cadmium free quantum dot or a population thereof or a device including the same, wherein the cadmium free quantum dot includes a core (or a semiconductor nanocrystal particle) including a first semiconductor including a Group IIB-VI compound and a shell (or a coating) disposed on the core (or the semiconductor nanocrystal particle) including a Group IIB-V compound and exhibits a quantum efficiency of about 60% or higher.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon-Yeong Kim, Yong Wook Kim, Soo Kyung Kwon, Ji-Yeong Kim, Sungwoo Hwang
  • Core shell quantum dot and electronic device including the same
    Patent number: 11713418
    Abstract: A quantum dot including zinc, tellurium, selenium, and sulfur, wherein the quantum dot comprises a core and a shell disposed on the core, and wherein the quantum dot is a cadmium-free red light-emitting quantum dot and has an emission peak wavelength of greater than or equal to about 600 nanometers (nm), and efficiency of greater than or equal to about 50%.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: August 1, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yuho Won, Hwea Yoon Kim, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang
  • Luminescent component
    Patent number: 11708528
    Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a first element including first luminescent crystals from the class of perovskite crystals, embedded a first polymer P1 and a second element comprising a second solid polymer composition, said second polymer composition optionally comprising second luminescent crystals embedded in a second polymer P2. Polymers P1 and P2 differ and are further specified in the claims. Also described are methods for manufacturing such components and devices comprising such components.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: July 25, 2023
    Assignee: Avantama AG
    Inventors: Norman Albert Lüchinger, Fangjian Lin, Tom Mitchell-Williams, Stefan Loher
  • B-sialon phosphor and light emitting device
    Patent number: 11702592
    Abstract: A ?-sialon phosphor that is a solid solution of europium, in which D50 is 7.0 ?m or more and 20.0 ?m or less and (D50?D10)/D50 is 0.60 or less, where D50 is a 50% area diameter of primary particles of the ?-sialon phosphor, and D10 is a 10% area diameter of the primary particles of the ?-sialon phosphor. Primary particles are defined as single-crystal particles distinguished for each crystal orientation by identifying the crystal orientation of individual particles of the ?-sialon phosphor by an electron backscatter diffraction image method. D50 and D10 are obtained by image analysis of the cross-sectional area of the primary particles.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: July 18, 2023
    Assignee: DENKA COMPANY LIMITED
    Inventors: Manabu Kobayashi, Keita Kobayashi, Tomohiro Nomiyama, Shintaro Watanabe
  • Light-emitting material and light-emitting device
    Patent number: 11702590
    Abstract: A light emitting material includes: luminescent nanoparticles; and an ionic crystal containing an anionic component represented by formula (1) below. In the formula, R1 and R2 each independently denote a fluorine atom or a fluoroalkyl group, or R1 and R2 each denote a fluoroalkylene group to be connected to each other to form a ring.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: July 18, 2023
    Assignee: NICHIA CORPORATION
    Inventor: Hideo Tabata
  • Luminescent crystals and manufacturing thereof
    Patent number: 11702762
    Abstract: The present invention relates to the field of luminescent crystals (LCs), and more specifically to Quantum Dots (QDs) of formula A1aM2bXc, wherein the substituents are as defined in the specification. The invention provides methods of manufacturing such luminescent crystals, particularly by dispersing suitable starting materials in the presence of a liquid and by the aid of milling balls; to compositions comprising luminescent crystals and to electronic devices, decorative coatings; and to components comprising luminescent crystals.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: July 18, 2023
    Assignee: AVANTAMA AG
    Inventors: Norman Albert Lüchinger, Marek Oszajca, Patrick Kissel, Loredana Protesescu, Maksym Kovalenko, Franziska Krieg
  • Quantum dots, and electronic devices and electronic equipments including same
    Patent number: 11702593
    Abstract: A quantum dot including a core and a shell disposed on an outer surface of the core. The core includes a first semiconductor nanocrystal including a Group II-VI compound. The shell includes a second semiconductor nanocrystal. An effective mass of the second semiconductor nanocrystal is about 0.5 times to about 2.0 times an effective mass of the first semiconductor nanocrystal and the quantum dot does not include cadmium, lead, mercury, or a combination thereof.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jihyun Min, Soo Kyung Kwon, Seon-Yeong Kim, Yong Wook Kim, Ji-Yeong Kim, Eun Joo Jang, Sungwoo Hwang
  • Dust core
    Patent number: 11699542
    Abstract: The dust core comprises a plurality of soft magnetic iron-based particles, a coating layer disposed on each of the surfaces of the soft magnetic iron-based particles, an interstitial layer disposed between the coating layers, and a nanopowder disposed between the soft magnetic iron-based particles. The coating layer is a layer of a compound comprising Fe, Si, O, B and N; and the nanopowder is a powder of a compound comprising O, N and at least one element selected from the group consisting of Fe, Si, Zr, Co, Al, Mg, Mn and Ni.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: July 11, 2023
    Assignee: TDK Corporation
    Inventor: Takeshi Takahashi
  • Quantum dots, and composite and display device including the same
    Patent number: 11697764
    Abstract: A quantum dot, a production method thereof, and a quantum dot composite and a device including the same are disclosed, wherein the quantum dot includes an alloy semiconductor nanocrystal including indium (In), gallium, zinc (Zn), phosphorus (P), and sulfur (S), and in the quantum dot, a mole ratio of gallium with respect to indium (Ga:In) is greater than or equal to about 0.2:1, a mole ratio of phosphorus with respect to indium (P:In) is greater than or equal to about 0.95:1, the quantum dot does not include cadmium, and in an UV-Vis absorption spectrum of the quantum dot(s), a first absorption peak is present in a range of less than or equal to about 520 nm.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Jongmin Lee, Jooyeon Ahn, Hyeyeon Yang, Shin Ae Jun
  • Quantum dot composition and method of manufacturing light-emitting device using the quantum dot composition
    Patent number: 11697763
    Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yunku Jung, Hyekyoung Choi, Sungwoon Kim, Jaekook Ha
  • Synthesising a molecular magnetic material
    Patent number: 11691886
    Abstract: A method for synthesising a molecular magnetic material from a paramagnetic reactant including a d-electron metal in a paramagnetic form, a diamagnetic reactant comprising a d-electron metal in a diamagnetic form, and at least one donor of cyanide (CN—) ligands being a separate compound and/or contained in the paramagnetic reactant and/or in the diamagnetic reactant.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: July 4, 2023
    Assignee: UNIWERSYTET JAGIELLONSKI
    Inventors: Janusz Szklarzewicz, Maciej Hodorowicz
  • Method for producing InP quantum dot precursor and method for producing InP-based quantum dot
    Patent number: 11692134
    Abstract: The present invention relates to a method for producing an InP-based quantum dot precursor from a phosphorus source and an indium source, in which a silylphosphine compound represented by the following Formula (1) with a content of a compound represented by the following Formula (2) of 0.3 mol % or less is used as the phosphorus source. Further, the present invention provides a method for producing an InP-based quantum dot comprising heating an InP quantum dot precursor to a temperature of 200° C. or more and 350° C. or less to obtain an InP quantum dot. (R is as defined in the specification.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: July 4, 2023
    Assignee: NIPPON CHEMICAL INDUSTRIAL CO., LTD.
    Inventors: Kazuhiro Nakatsui, Taiki Tsuzukiishi, Tomo Sakanoue
  • Quantum dot structure with excellent stability and method for making the same
    Patent number: 11685861
    Abstract: A quantum dot structure includes a core and an inner shell. The core is a single crystal of a compound M1C1, and has a core surface having a first region and a second region. The first region has a crystal plane that is inactive with oxygen, and the second region has a crystal plane that is easily reactive with oxygen. The inner shell is a single crystal of a compound M2C2, and is formed on the first region of the core surface. A method for making the quantum dot structure is also disclosed.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: June 27, 2023
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chang-Wei Yeh, Hsueh-Shih Chen
  • Full-color-tunable upconversion nanophosphor
    Patent number: 11680205
    Abstract: Provided is a core/multishell tetragonal upconversion nanophosphor capable of being excited by near-infrared (NIR) light having wavelengths of 800±20 nm, 980±20 nm, and 1532±20 nm to emit light of blue, green, red, and combinations thereof.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: June 20, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ho Seong Jang, Gumin Kang, A-Ra Hong, Seung Yong Lee
  • Co-shelling of magnetic nanoparticles and quantum dots with oxide material
    Patent number: 11676749
    Abstract: A wavelength converter material and a method of A method of preparing a wavelength converter material may include providing an optionally oxide coated phosphor material, mixing the optionally oxide coated phosphor material with an optionally oxide coated paramagnetic nanoparticle, coating the optionally oxide coated phosphor material and the optionally oxide coated paramagnetic nanoparticle with an oxide coating, thereby preparing a coated phosphor-nanoparticle particle, and separating the coated phosphor-nanoparticle particle, thereby preparing a wavelength converter material. The separating of the coated phosphor-nanoparticle particle may be manipulated by applying a magnetic field. Furthermore, a wavelength converter material, as well as a light emitting diode are described herein.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: June 13, 2023
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Robert Fitzmorris, Brian Theobald
  • Quantum dots, production methods thereof, and electronic devices including the same
    Patent number: 11674079
    Abstract: A quantum dot having a perovskite crystal structure and including a compound represented by Chemical Formula 1: ABX3+???Chemical Formula 1 wherein, A is a Group IA metal selected from Rb, Cs, Fr, and a combination thereof, B is a Group IVA metal selected from Si, Ge, Sn, Pb, and a combination thereof, X is a halogen selected from F, Cl, Br, and I, BF4, or a combination thereof, and ? is greater than 0 and less than or equal to about 3; and wherein the quantum dot has a size of about 1 nanometer to about 50 nanometers.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jihyun Min, Eun Joo Jang, Yongwook Kim, Garam Park
  • Mineral wool insulation
    Patent number: 11674006
    Abstract: Mineral wool insulation products are provided. The mineral wool insulation includes a plurality of mineral wool fibers and a wax emulsion applied to the mineral wool fibers. The wax emulsion imparts excellent water resistance and thermal performance properties to the mineral wool insulation.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 13, 2023
    Assignee: Owens Corning Intellectual Capital, LLC
    Inventors: Scott W. Schweiger, Christopher A. Stoneburg
  • Quantum dots, a composition or composite including the same, and an electronic device including the same
    Patent number: 11674078
    Abstract: A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same. The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Kyung Kwon, Yong Wook Kim, Jihyun Min, Eun Joo Jang