Patents by Inventor Hosik Ryu

Hosik Ryu 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).

  • Publication number: 20230047995
    Abstract: An apparatus for manufacturing a light control film and a light control film manufactured by the same are provided. The apparatus comprises a film supply device supplying a base film, and a pattern formation mold applying pressure onto one side of the base film to form a pattern thereon, wherein the pattern formation mold comprises a main body and a pattern formation structure protruding from an outer surface of the main body and extending in a first direction, wherein a cross-section perpendicular to the first direction of the pattern formation structure comprises a pair of first intersecting lines, one ends of which are connected to the main body, and having a first intersecting angle; and a pair of second intersecting lines extending from the other ends of the pair of first intersecting lines respectively, and having a second intersecting angle smaller than the first intersecting angle.
    Type: Application
    Filed: January 14, 2020
    Publication date: February 16, 2023
    Inventors: Kangyoon Kim, Byeongheui Han, Bongtaek Hong, Woohyuck Chang, Dohyung Kwon, Solmon Park, Hosik Ryu, Seungsoo Shin, Kyuseok Han