Patents by Inventor Yu Chakchung

Yu Chakchung 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 SHEET, BACK-LIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20070242184
    Abstract: An optical sheet is provided. The optical sheet includes: a light-transmissive base; and an optical functional layer provided to at least one surface of the base, in which the base is composed of a stack of transmissive sheets bonded while placing an adhesive material layer in between.
    Type: Application
    Filed: April 16, 2007
    Publication date: October 18, 2007
    Applicant: SONY CORPORATION
    Inventors: Eiji Ohta, Toru Abiko, Hirokazu Odagiri, Katsuhiro Doi, Makoto Aoki, Satoko Asaoka, Miki Sudo, Yu Chakchung