Patents by Inventor Bong Gyu Roh

Bong Gyu Roh 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).

  • Reflective liquid crystal display of high aperture ratio, high transmittance and wide viewing angle
    Patent number: 7139051
    Abstract: Disclosed is a reflective liquid crystal display.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: November 21, 2006
    Assignee: Boe-Hydis Technology Co., Ltd.
    Inventors: In Cheol Park, Seung Hee Lee, Bong Gyu Roh
  • Liquid crystal display having a conductive high molecular film for preventing the fringe field in the in-plane switching mode
    Patent number: 5959708
    Abstract: Disclosed is a liquid crystal display device having a pixel electrode and a counter electrode formed on one substrate device. The device includes: a first transparent substrate having a conductive high molecular film formed on the pixel electrode and the counter electrode; a second transparent substrate arranged parallel to the first transparent substrate; and a liquid crystal material disposed between the first and second transparent substrates, for selectively scattering or transmitting light in response to a prescribed input.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: September 28, 1999
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Seung-Hee Lee, Hyang-Yul Kim, Bong-Gyu Roh, Deuk-Su Lee, Han-Jun Park