Patents Assigned to Kitazawa Yakuhin Co., Ltd.
  • Liquid crystal display panel with polymer spacers containing a percentage of epoxy groups
    Patent number: 4983023
    Abstract: A liquid crystal display panel comprises at least two base plates spaced by a sealant on the peripheral portion of the plates and liquid crystal in the space between the base plates. The liquid crystal contains a spacer of rigid particles and polymer particles having 10 to 30% by weight of an epoxy group.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: January 8, 1991
    Assignees: Sharp Kabushiki Kaisha, Kitazawa Yakuhin Co., Ltd., Tosoh Corporation
    Inventors: Kenichi Nakagawa, Takeshi Kitazawa, Takashi Kitamura