Patents by Inventor Chul Ju Jun

Chul Ju Jun 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).

  • Patent number: 8174485
    Abstract: The method of driving a liquid crystal display device includes calculating a brightness average value of pixel data of at least one frame period supplied to a liquid crystal display panel, and storing the average to a memory unit; generating a brightness control signal having a duty ratio according to the brightness average value of the pixel data adjusted taking variation of transmissivity with an angle of view into account in a white or black driving mode of the liquid crystal display panel; and supplying the brightness control signal to a light source unit.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: May 8, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Chul Ju Jun, Min Hwa Kim, Rok Hee Lee, Myoung Hwa Lee
  • Publication number: 20090289962
    Abstract: The method of driving a liquid crystal display device includes calculating a brightness average value of pixel data of at least one frame period supplied to a liquid crystal display panel, and storing the average to a memory unit; generating a brightness control signal having a duty ratio according to the brightness average value of the pixel data adjusted taking variation of transmissivity with an angle of view into account in a white or black driving mode of the liquid crystal display panel; and supplying the brightness control signal to a light source unit.
    Type: Application
    Filed: December 19, 2008
    Publication date: November 26, 2009
    Inventors: Chul Ju Jun, Min Hwa Kim, Rok Hee Lee, Myoung Hwa Lee