Patents by Inventor Hyeonuk PARK

Hyeonuk 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).

  • Optical film and back light unit including the same
    Patent number: 11906847
    Abstract: A backlight unit includes a light source, a color conversion sheet disposed above the light source for converting a color of light emitted from the light source, and at least one optical film is disposed over the color conversion sheet. The one optical film has a base film, a first pattern layer including first patterns on one surface of the base film, and a second pattern layer disposed on the other surface of the base film and including second patterns different from the first patterns.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: February 20, 2024
    Assignee: LMS Co., Ltd.
    Inventors: Hyeonuk Park, Byeonghun Lee
  • OPTICAL FILM AND BACK LIGHT UNIT INCUDING THE SAME
    Publication number: 20230229040
    Abstract: A backlight unit includes a light source, a color conversion sheet disposed above the light source for converting a color of light emitted from the light source, and at least one optical film is disposed over the color conversion sheet. The one optical film has a base film, a first pattern layer including first patterns on one surface of the base film, and a second pattern layer disposed on the other surface of the base film and including second patterns different from the first patterns.
    Type: Application
    Filed: September 22, 2022
    Publication date: July 20, 2023
    Inventors: Hyeonuk PARK, Byeonghun LEE