Patents Examined by Toan Te
  • Liquid crystal display device and method for making
    Patent number: 6882402
    Abstract: Glass substrates interposed by unhardened thermosetting sealing material is surrounded by two sheets. The space between the sheets is placed in a roughly sealed state and decompressed to produce at least a partial vacuum between the sheets. The sheets serve to press the glass substrates against the sealing material by the pressure difference relative to the atmospheric pressure. One or more heaters spaced apart from the sheets heat the glass substrates and the sealing material, setting the sealing material.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: April 19, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Hiroyasu Matsuura, Hitoshi Azuma, Toshiyuki Koshita, Mitsuaki Shiba, Tsuneo Okada