Patents by Inventor Sungchul Ham

Sungchul Ham 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).

  • Backlight unit
    Patent number: 8882322
    Abstract: A backlight unit is provided. The backlight unit may include a light emitting device package, a light guide plate including a first region and a second region extending from the first region, with upper surfaces of the first and second regions being spaced apart so as to form a stepped surface. A recess may be formed in a lateral surface of the second region to receive the light emitting device package, and an optical sheet may be received on the upper surface of the second region of the light guide plate.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: November 11, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventor: Sungchul Ham
  • BACKLIGHT UNIT
    Publication number: 20120307522
    Abstract: A backlight unit is disclosed. The backlight unit includes a light emitting device package, a light guide plate including a first region, which has a recess indented in a lateral surface thereof adjacent to the light emitting device package, and a second region, an upper surface of which is stepped from the first region, and an optical sheet placed on an upper surface of the upper surface of the second region.
    Type: Application
    Filed: May 17, 2012
    Publication date: December 6, 2012
    Inventor: Sungchul Ham