Patents by Inventor Seungbum CHUN

Seungbum CHUN 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).

  • Composition for optical film, and films and display device
    Patent number: 10551537
    Abstract: A composition for an optical film including a liquid crystal and a polysiloxane represented by Chemical Formula 1 wherein in Chemical Formula 1, R1 to R5, L1 to L3, X, Y, Z, T1, T2, a, b, c, and d are the same as described in the detailed description.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Sung Lee, Sang Ho Park, Koh Kamada, Tsuyoshi Ohyama, Seungbum Chun
  • COMPOSITION FOR OPTICAL FILM, AND FILMS AND DISPLAY DEVICE
    Publication number: 20160200981
    Abstract: A composition for an optical film including a liquid crystal and a polysiloxane represented by Chemical Formula 1 wherein in Chemical Formula 1, R1 to R5, L1 to L3, X, Y, Z, T1, T2, a, b, c, and d are the same as described in the detailed description.
    Type: Application
    Filed: July 17, 2015
    Publication date: July 14, 2016
    Inventors: Eun Sung LEE, Sang Ho PARK, Koh KAMADA, Tsuyoshi OHYAMA, Seungbum CHUN