Patents by Inventor Dong Kyu OH

Dong Kyu OH 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 for planar lighting apparatuses with improved flexibility and manufacturing method thereof
    Patent number: 10823906
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: November 3, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Chan Jeon, Hong Mo Koo, Mi Jung Yun, Dong Kyu Oh, Seul Ah Lee, Byoung Chul Park
  • BACKLIGHT UNIT FOR PLANAR LIGHTING APPARATUSES WITH IMPROVED FLEXIBILITY AND MANUFACTURING METHOD THEREOF
    Publication number: 20200209464
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Application
    Filed: October 9, 2019
    Publication date: July 2, 2020
    Inventors: Hong Chan JEON, Hong Mo KOO, Mi Jung YUN, Dong Kyu OH, Seul Ah LEE, Byoung Chul PARK