Patents by Inventor Won-ll Choi

Won-ll Choi 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).

  • STRETCHABLE FILMS, METHODS OF MANUFACTURING THE SAME AND DISPLAY DEVICES INCLUDING THE SAME
    Publication number: 20200381640
    Abstract: A display device including a flexible base substrate; a pixel circuit and a light emitting structure sequentially disposed on the flexible base substrate; and a stretchable film attached on a bottom of the flexible base substrate. The stretchable film includes a first region and a second region, which are divided according to curvatures of an object, and at least one of different patterns and different disposed structures are arranged in each of the first region and the second region.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 3, 2020
    Inventors: Hye-Jin JOO, Won-ll Choi, Jong-Ho Hong