Patents by Inventor Osamu Sato

Osamu Sato has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10573792
    Abstract: Disclosed is a light emitting diode package that includes: a frame having a light emitting diode (LED) thereon; and a glass cell over the LED, the glass cell including a quantum dot dispersed in one of a resin and an organic solvent.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: February 25, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Osamu Sato
  • Patent number: 10558084
    Abstract: A method of fabricating a liquid crystal display device includes forming a first alignment layer on a first substrate, forming a second alignment layer on a second substrate, disposing the first substrate and the second substrate such that the first alignment layer and the second alignment layer are spaced apart, forming a liquid crystal layer including liquid crystal molecules between the first alignment layer and the second alignment layer and forming an electrode layer on one of the first substrate and the second substrate, the electrode layer applying an electric field to the liquid crystal molecules along a direction parallel to the first and second substrates, the forming the first alignment layer including applying a copolymer solution including first moieties and second moieties, and the first moieties have affinity with the first substrate, and the second moieties have compatibility with the liquid crystal molecules and heating the first alignment layer.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: February 11, 2020
    Assignees: LG DISPLAY CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Osamu Sato, Joji Kawamura, Masatoshi Tokita, Junji Watanabe
  • Publication number: 20190212591
    Abstract: A method of fabricating a liquid crystal display device includes forming a first alignment layer on a first substrate, forming a second alignment layer on a second substrate, disposing the first substrate and the second substrate such that the first alignment layer and the second alignment layer are spaced apart, forming a liquid crystal layer including liquid crystal molecules between the first alignment layer and the second alignment layer and forming an electrode layer on one of the first substrate and the second substrate, the electrode layer applying an electric field to the liquid crystal molecules along a direction parallel to the first and second substrates, the forming the first alignment layer including applying a copolymer solution including first moieties and second moieties, and the first moieties have affinity with the first substrate, and the second moieties have compatibility with the liquid crystal molecules and heating the first alignment layer.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Applicants: LG DISPLAY CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Osamu SATO, Joji KAWAMURA, Masatoshi TOKITA, Junji WATANABE
  • Patent number: 10319865
    Abstract: A pressure detecting includes a plurality of sensing cells arranged a plurality of rows and columns, each of the plurality of sensing cells including a pressure sensing element and a selection transistor. First driving signal lines are disposed in the rows, and the first driving signal lines are connected to the selection transistors of a first portion of the plurality of sensing cells in a respective row. Second driving signal lines are disposed in a portion of the plurality of rows, and the second driving signal lines are connected to the selection transistors of a second portion of the plurality of sensing cells in a respective row. First and second driving circuits are respectively connected to the first driving signal lines the second driving signal lines.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 11, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Katsuyoshi Hiraki, Osamu Sato, Kazuki Watanabe
  • Publication number: 20190148678
    Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.
    Type: Application
    Filed: January 14, 2019
    Publication date: May 16, 2019
    Inventors: Harumi OKUNO, Osamu SATO
  • Patent number: 10281770
    Abstract: A liquid crystal display device according to an embodiment includes a light source; a first substrate on which a first alignment layer is formed; a second substrate on which a second alignment layer is formed; a liquid crystal layer between the first and second alignment layers; and an electrode layer on one of the first and second substrates, the electrode layer applying an electric field to liquid crystal molecules of the liquid crystal layer along a direction parallel to the first and second substrates, wherein when the electric field is applied, the liquid crystal molecules are twistedly arranged from the second alignment layer to the first alignment layer.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 7, 2019
    Assignees: LG DISPLAY CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Osamu Sato, Joji Kawamura, Masatoshi Tokita, Junji Watanabe
  • Publication number: 20190126940
    Abstract: An electric power supply apparatus for a vehicle includes a second switch for performing ON/OFF switching of electric power supply from a second power supply to a second control unit, a third switch for performing ON/OFF switching of a first drive signal to the second switch, and a switch control circuit for outputting a second drive signal to the second switch when predetermined conditions are satisfied. The second switch is turned on when the first drive signal or the second drive signal is input, and the second switch is turned off when the first drive signal and the second drive signal are not input.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 2, 2019
    Inventors: Takashi TSUJIOKA, Masashi SUGITA, Osamu SATO, Kazuhiro SATO
  • Patent number: 10217968
    Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: February 26, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Harumi Okuno, Osamu Sato
  • Publication number: 20190027668
    Abstract: A light source device can include a frame including a bottom wall and a side wall surrounding the bottom wall; a light source on the bottom wall; a wavelength converting structure disposed over the light source and including wavelength converting mediums therein; and a first heat sink disposed at a side of the frame to be opposite to the wavelength converting structure, in which the wavelength converting structure is disposed on and directly contacts a top surface of the side wall of the frame.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 24, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dong-Young KIM, Osamu SATO, Kazuki WATANABE
  • Patent number: 10162089
    Abstract: A light amount adjustment device of this invention includes a light path forming member including an aperture which forms a light path, a plurality of light amount adjustment members which adjust the amount of light which passes through the aperture, and a plurality of movement units linearly advancing and retracting the light amount adjustment members with respect to the aperture.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: December 25, 2018
    Assignee: Canon Denshi Kabushiki Kaisha
    Inventors: Osamu Sato, Kyousuke Miyashita
  • Publication number: 20180342693
    Abstract: A display device includes: a substrate; a thin film transistor on the substrate; a first electrode, a light emitting diode and a second electrode sequentially on the thin film transistor; a barrier layer on the second electrode, the barrier layer including at least one organic layer; and a front film on the barrier layer, wherein the at least one organic layer includes a chemically self-healing material.
    Type: Application
    Filed: May 25, 2018
    Publication date: November 29, 2018
    Inventor: Osamu Sato
  • Patent number: 10103307
    Abstract: Disclosed is a light source device that includes a substrate; a light source portion supported on the substrate and producing a light; a container supported on the light source portion and containing quantum dots excited by the light; and a thermal conductor connecting the container with the substrate.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: October 16, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Young Kim, Osamu Sato, Kazuki Watanabe
  • Patent number: 10053322
    Abstract: A meandering correction device for a roll medium includes: a first roll medium conveyance unit; a second roll medium conveyance unit disposed downstream of the first roll medium conveyance unit in a conveyance path for a roll medium; a meandering correction roller located between the first roll medium conveyance unit and the second roll medium conveyance unit in the conveyance path and being vertically downwardly in contact with the roll medium to thereby apply a tension to the roll medium. The meandering correction roller includes a rotational shaft whose direction is changeable. A change in the direction of the rotational shaft causes a position of the roll medium in contact with the meandering correction roller to move in the direction of the rotational shaft.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: August 21, 2018
    Assignee: Oki Data Corporation
    Inventor: Osamu Sato
  • Publication number: 20180062056
    Abstract: Disclosed is a light source device that includes a substrate; a light source portion supported on the substrate and producing a light; a container supported on the light source portion and containing quantum dots excited by the light; and a thermal conductor connecting the container with the substrate.
    Type: Application
    Filed: September 1, 2017
    Publication date: March 1, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dong-Young KIM, Osamu SATO, Kazuki WATANABE
  • Publication number: 20180061999
    Abstract: A pressure detecting includes a plurality of sensing cells arranged a plurality of rows and columns, each of the plurality of sensing cells including a pressure sensing element and a selection transistor. First driving signal lines are disposed in the rows, and the first driving signal lines are connected to the selection transistors of a first portion of the plurality of sensing cells in a respective row. Second driving signal lines are disposed in a portion of the plurality of rows, and the second driving signal lines are connected to the selection transistors of a second portion of the plurality of sensing cells in a respective row. First and second driving circuits are respectively connected to the first driving signal lines the second driving signal lines.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Inventors: Katsuyoshi HIRAKI, Osamu SATO, Kazuki WATANABE
  • Publication number: 20170317314
    Abstract: An electro-optical panel includes: an electro-optical element emitting a light or adjusting a transmittance of a light; and a stretch film including a polymeric material, wherein a main stretching axis direction of the stretch film is disposed within a range of ±30° with respect to a side of the electro-optical panel.
    Type: Application
    Filed: December 1, 2016
    Publication date: November 2, 2017
    Inventors: Harumi OKUNO, Osamu SATO
  • Patent number: 9778507
    Abstract: A liquid crystal display device includes a liquid crystal panel; and a direct type backlight unit providing light to the liquid crystal panel, wherein the direct type backlight unit includes: a frame where an LED is mounted; a sealing member over the LED and containing quantum dots dispersed in resin or organic solvent; a first polarizer disposed over the sealing member; and a light-recycling structure reflecting light reflected to the frame towards the liquid crystal panel, wherein the liquid crystal panel includes a second polarizer facing the direct type backlight unit, and wherein a transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: October 3, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Osamu Sato
  • Publication number: 20170261783
    Abstract: A liquid crystal display device according to an embodiment includes a light source; a first substrate on which a first alignment layer is formed; a second substrate on which a second alignment layer is formed; a liquid crystal layer between the first and second alignment layers; and an electrode layer on one of the first and second substrates, the electrode layer applying an electric field to liquid crystal molecules of the liquid crystal layer along a direction parallel to the first and second substrates, wherein when the electric field is applied, the liquid crystal molecules are twistedly arranged from the second alignment layer to the first alignment layer.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 14, 2017
    Applicants: LG DISPLAY CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Osamu SATO, Joji KAWAMURA, Masatoshi TOKITA, Junji WATANABE
  • Patent number: 9684099
    Abstract: A flexible display device includes an antireflective film on an image display surface of the flexible display device, wherein the antireflective film includes an antireflective layer disposed on at least one surface of a transparent resin film having flexibility and including inorganic particles and matrix resin, wherein a volumetric ratio of the inorganic particles in the antireflective layer is equal to or larger than 40 vol %, wherein a diameter of each of the inorganic particles is within a range of 5 to 200 nm, wherein a thickness of the antireflective layer is within a range of 50 to 200 nm, and wherein there is no crack when a bending test of the antireflective film is performed based on JIS K 5600-5-1 and using a cylindrical mandrel with a diameter of 2 mm.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: June 20, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Osamu Sato, Kazuhiko Tamai, Dong-Uk Cho
  • Patent number: 9653197
    Abstract: A wire harness manufacturing method prevents inadvertent deformation of thermoplastic material and separation of thermoplastic material. A predetermined part of an electric wire 91 is accommodated in a through hole of a tubular body formed by connection between a first and second nest members (123, 124) of a nozzle (12), by integrally connecting first and second case body members (121, 122) of the nozzle (12), with the predetermined part of the electric wire 91 therebetween. An approximately tubular covering member (92) covering the predetermined part of the electric wire (91) is molded integrally with the thermoplastic material, by discharging thermoplastic material plasticized by a material plasticizing unit (11) from thermoplastic material discharge orifices (1213) and (1223) in the nozzle (12) to the outer periphery of the electric wire (91), while moving the electric wire (91) and the nozzle (12) relatively to each other.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: May 16, 2017
    Assignees: AUTONETWORK TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Osamu Sato