Patents by Inventor Yong-Shin Park

Yong-Shin Park 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 comprising a sheet guide having an opening surrounding edges of a bottom cover, light sources, and a light source fixing unit and liquid crystal display device using the same
    Patent number: 9013651
    Abstract: Disclosed are a backlight unit, an assembly structure of which is modified to minimize the thickness of a bezel and to prevent optical defects, such as light leakage, and a liquid crystal display device using the backlight unit. The liquid crystal display device includes a liquid crystal panel, at least one light source fixing unit on which plural light sources are mounted and which is fixed to the inner side surface of a bottom cover, a diffusion plate receiving light from the plural light sources through a light entry plane and changing the progress direction of light into a forward direction, a sheet guide formed on the front surface of the bottom cover in a shape in which the inside of the sheet guide is opened, and plural optical sheets disposed on the sheet guide and separated from the diffusion plate to perpendicularly emit light from the diffusion plate.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: April 21, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Hyeon-Ku Jeon, Yong-Shin Park
  • BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
    Publication number: 20130235302
    Abstract: Disclosed are a backlight unit, an assembly structure of which is modified to minimize the thickness of a bezel and to prevent optical defects, such as light leakage, and a liquid crystal display device using the backlight unit. The liquid crystal display device includes a liquid crystal panel, at least one light source fixing unit on which plural light sources are mounted and which is fixed to the inner side surface of a bottom cover, a diffusion plate receiving light from the plural light sources through a light entry plane and changing the progress direction of light into a forward direction, a sheet guide formed on the front surface of the bottom cover in a shape in which the inside of the sheet guide is opened, and plural optical sheets disposed on the sheet guide and separated from the diffusion plate to perpendicularly emit light from the diffusion plate.
    Type: Application
    Filed: December 5, 2012
    Publication date: September 12, 2013
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hyeong-Ku Jeon, Yong-Shin Park