Patents by Inventor Kiwook YI

Kiwook YI 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).

  • Diffusion sheet and a backlight unit including the diffusion sheet
    Patent number: 11314128
    Abstract: A diffusion sheet includes a first base film, a second base film, and a shielding layer placed between the first base film and the second base film. In this case, the shielding layer includes an air gap and a pattern.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 26, 2022
    Assignee: LMS CO., LTD.
    Inventors: Taejun Lee, Kiwook Yi
  • DIFFUSION SHEET AND A BACKLIGHT UNIT INCLUDING THE DIFFUSION SHEET
    Publication number: 20200159072
    Abstract: The present invention discloses a diffusion sheet. The diffusion sheet comprises a first base film, a second base film, and a shielding layer placed between the first base film and the second base film. In this case, the shielding layer includes an air gap and a pattern.
    Type: Application
    Filed: November 18, 2019
    Publication date: May 21, 2020
    Inventors: Taejun LEE, Kiwook YI