Patents Represented by Attorney, Agent or Law Firm LG. Philips LCD Co., Ltd.
  • Reflective liquid crystal display device
    Patent number: 6693689
    Abstract: A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: February 17, 2004
    Assignee: LG Philips LCD Co., Ltd.
    Inventors: Yong Beom Kim, Soon Bum Kwon, Heume Il Baek