Patents by Inventor Sohei Aruga

Sohei Aruga 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).

  • Liquid crystal display apparatus
    Patent number: 11385503
    Abstract: There is provided a liquid crystal display apparatus having sufficiently small black brightness in an oblique direction. A liquid crystal display apparatus according to an embodiment of the present invention includes: a liquid crystal cell including a viewer-side substrate, a back surface-side substrate, and a homogeneously aligned liquid crystal layer sandwiched therebetween; a first polarizer arranged on a viewer side of the liquid crystal cell; a second polarizer arranged on a back surface side of the liquid crystal cell; a first optical compensation layer arranged between the liquid crystal cell and the first polarizer; and a second optical compensation layer arranged between the liquid crystal cell and the second polarizer. The viewer-side substrate and the back surface-side substrate each have a thickness direction retardation Rth(550) of from ?10 nm to 100 nm, and a product A×E is 300 or less.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: July 12, 2022
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daisuke Hayashi, Sohei Aruga, Toshiyuki Iida
  • LIQUID CRYSTAL DISPLAY APPARATUS
    Publication number: 20220107534
    Abstract: There is provided a liquid crystal display apparatus having sufficiently small black brightness in an oblique direction. A liquid crystal display apparatus according to an embodiment of the present invention includes: a liquid crystal cell including a viewer-side substrate, a back surface-side substrate, and a homogeneously aligned liquid crystal layer sandwiched therebetween; a first polarizer arranged on a viewer side of the liquid crystal cell; a second polarizer arranged on a back surface side of the liquid crystal cell; a first optical compensation layer arranged between the liquid crystal cell and the first polarizer; and a second optical compensation layer arranged between the liquid crystal cell and the second polarizer. The viewer-side substrate and the back surface-side substrate each have a thickness direction retardation Rth(550) of from ?10 nm to 100 nm, and a product A×E is 300 or less.
    Type: Application
    Filed: August 19, 2020
    Publication date: April 7, 2022
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daisuke Hayashi, Sohei Aruga, Toshiyuki Iida