Patents by Inventor Xiaofeng She

Xiaofeng She 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).

  • Patent number: 12025824
    Abstract: The application relates to a light guide film, a production method thereof and a light guide device. An upper surface of the light guide film is a light exit surface and a lower surface is a light incident surface; the lower surface of the light guide film is smooth and is used for being connected with the substrate; a plurality of hollow ultrastructures are disposed in the light guide film, the hollow ultrastructure close to the lower surface of the light guide film is a conduction reflecting surface, and a gap between every two adjacent ultrastructures is a light exit gap.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: July 2, 2024
    Assignee: HANGZHOU XINENG NEW MATERIAL CO., LTD.
    Inventors: Xiaofeng She, Keqing Hu
  • Publication number: 20210396925
    Abstract: The application relates to a light guide film, a production method thereof and a light guide device. An upper surface of the light guide film is a light exit surface and a lower surface is a light incident surface; the lower surface of the light guide film is smooth and is used for being connected with the substrate; a plurality of hollow ultrastructures are disposed in the light guide film, the hollow ultrastructure close to the lower surface of the light guide film is a conduction reflecting surface, and a gap between every two adjacent ultrastructures is a light exit gap.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Inventors: Xiaofeng She, Keqing Hu