Patents by Inventor Hyu Wan Park

Hyu Wan 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).

  • Lighting device using light guide plate
    Patent number: 8714803
    Abstract: Disclosed herein is a lighting device using a light guide plate. The lighting device includes a light guide plate, and light source units. The light guide plate is configured such that the front surface thereof, through which light beams are emitted, is divided or blocked into a plurality of portions by forming light transmission preventing grooves. The light source units are configured such that the light guide plate reflects the light beams.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: May 6, 2014
    Inventor: Hyu Wan Park
  • LIGHTING DEVICE USING LIGHT GUIDE PLATE
    Publication number: 20100085774
    Abstract: Disclosed herein is a lighting device using a light guide plate. The lighting device includes a light guide plate, and light source units. The light guide plate is configured such that the front surface thereof, through which light beams are emitted, is divided or blocked into a plurality of portions by forming light transmission preventing grooves. The light source units are configured such that the light guide plate reflects the light beams.
    Type: Application
    Filed: April 21, 2008
    Publication date: April 8, 2010
    Inventor: Hyu Wan Park