Patents by Inventor Ryoichi TABUCHI

Ryoichi TABUCHI 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 device and manufacturing method thereof
    Patent number: 9482904
    Abstract: A technique for attaining both improvement of edge rectilinearity of an alignment film and reduction of unevenness is provided. A liquid crystal display device includes a first substrate on which a first alignment film is formed, a second substrate on which a second alignment film is formed, and a liquid crystal layer sandwiched between the first and second substrates. A material forming a frame arranged to surround the first alignment film inside a seal member with which the first and second substrates are bonded to each other is a highly water repellent organic material having a low solubility in an application liquid for forming the first alignment film.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: November 1, 2016
    Assignee: Japan Display Inc.
    Inventors: Daisuke Miyazaki, Noboru Kunimatsu, Yojiro Shimada, Yoshinori Yamamoto, Toshiyuki Higano, Ryoichi Tabuchi
  • LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20150226990
    Abstract: A technique for attaining both improvement of edge rectilinearity of an alignment film and reduction of unevenness is provided. A liquid crystal display device includes a first substrate on which a first alignment film is formed, a second substrate on which a second alignment film is formed, and a liquid crystal layer sandwiched between the first and second substrates. A material forming a frame arranged to surround the first alignment film inside a seal member with which the first and second substrates are bonded to each other is a highly water repellent organic material having a low solubility in an application liquid for forming the first alignment film.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 13, 2015
    Applicant: Japan Display Inc.
    Inventors: Daisuke MIYAZAKI, Noboru KUNIMATSU, Yojiro SHIMADA, Yoshinori YAMAMOTO, Toshiyuki HIGANO, Ryoichi TABUCHI