Patents by Inventor Ryuichi Saga

Ryuichi Saga 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).

  • Prism sheet, and backlight unit and liquid crystal display device using prism sheet
    Patent number: 8497953
    Abstract: Provided is a prism sheet which has high effects of suppressing Moiré fringes, high front luminance and reduced number of components when it is used as a prism sheet for a backlight unit for a liquid crystal display device. The prism sheet has a prism row having ridges formed in parallel to each other at equivalent intervals on one surface and a light diffusion layer containing porous particles on the other surface. The prism sheet preferably has the prism row on one surface and the light diffusion layer on the other surface by having a light-transmissive substrate in between.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: July 30, 2013
    Assignee: DIC Corporation
    Inventors: Masashi Miyamoto, Masanao Takashima, Ryuichi Saga
  • PRISM SHEET, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING PRISM SHEET
    Publication number: 20100245717
    Abstract: Provided is a prism sheet which has high effects of suppressing Moiré fringes, high front luminance and reduced number of components when it is used as a prism sheet for a backlight unit for a liquid crystal display device. The prism sheet has a prism row having ridges formed in parallel to each other at equivalent intervals on one surface and a light diffusion layer containing porous particles on the other surface. The prism sheet preferably has the prism row on one surface and the light diffusion layer on the other surface by having a light-transmissive substrate in between.
    Type: Application
    Filed: August 25, 2008
    Publication date: September 30, 2010
    Applicant: DIC CORPORATION
    Inventors: Masashi Miyamoto, Masanao Takashima, Ryuichi Saga