Patents by Inventor Hyeong-Bae Choi

Hyeong-Bae Choi 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).

  • Apparatus and method for automatic brightness control for use in liquid crystal display device
    Patent number: 6762742
    Abstract: An LCD device having a backlight generates a backlight brightness control signal in response to a duty rate signal corresponding to an average gray level or/and a color state of image data to be displayed on the LCD device and a brightness control voltage generated from the main body of the computer by user, and controls a brightness of the backlight automatically according to the backlight brightness control signal.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: July 13, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hwan Moon, Sang-Soo Kim, Dong-Won Park, Hyeong-Bae Choi
  • Apparatus and method for automatic brightness control for use in liquid crystal display device
    Publication number: 20020122020
    Abstract: An LCD device having a backlight generates a backlight brightness control signal in response to a duty rate signal corresponding to an average gray level or/and a color state of image data to be displayed on the LCD device and a brightness control voltage generated from the main body of the computer by user, and controls a brightness of the backlight automatically according to the backlight brightness control signal.
    Type: Application
    Filed: September 25, 2001
    Publication date: September 5, 2002
    Inventors: Seung-Hwan Moon, Sang-Soo Kim, Dong-Won Park, Hyeong-Bae Choi