Patents by Inventor Yoshihiro NISHIMINE

Yoshihiro NISHIMINE 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: 9194994
    Abstract: A liquid crystal display device includes: a light guide plate including a front surface, a back surface and an edge surface, the light guide plate being arranged such that the edge surface faces a light source, the light guide plate internally reflecting light incident from the edge surface and causing surface emission from the front surface; a liquid crystal display panel; and a reflective sheet arranged so as to face the back surface of the light guide plate. The back surface includes a first portion and a second portion. A surface of the second portion is located at a position recessed relatively from a surface of the first portion. The surface of the first portion is a rough surface. The surface of the second portion is a smooth surface. The reflective sheet is in contact with the first portion but avoids contact with the second portion.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: November 24, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventors: Ken Kagabu, Yasuhisa Shiraishi, Yoshikazu Tanabe, Yoshihiro Nishimine
  • Publication number: 20140192293
    Abstract: A liquid crystal display device includes: a light guide plate including a front surface, a back surface and an edge surface, the light guide plate being arranged such that the edge surface faces a light source, the light guide plate internally reflecting light incident from the edge surface and causing surface emission from the front surface; a liquid crystal display panel; and a reflective sheet arranged so as to face the back surface of the light guide plate. The back surface includes a first portion and a second portion. A surface of the second portion is located at a position recessed relatively from a surface of the first portion. The surface of the first portion is a rough surface. The surface of the second portion is a smooth surface. The reflective sheet is in contact with the first portion but avoids contact with the second portion.
    Type: Application
    Filed: January 6, 2014
    Publication date: July 10, 2014
    Applicant: Japan Display Inc.
    Inventors: Ken KAGABU, Yasuhisa SHIRAISHI, Yoshikazu TANABE, Yoshihiro NISHIMINE