Patents Examined by Ali Zomani
  • Patent number: 6525707
    Abstract: A liquid crystal display device capable of displaying in multiple colors, and a method for driving the liquid crystal display device using a typical monochrome liquid crystal driving IC. A display portion of a birefringence color liquid crystal display device has a usual letter display portion (41) for displaying letters in a single color and a mark display portion (42) for displaying a variety of colors. A liquid crystal cell is driven by supplying scanning signals to scanning electrodes for the letter display portion (41) and data signals to scanning electrodes for the mark display portion (42).
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: February 25, 2003
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Yasushi Kaneko, Kazuhiko Yoshikawa