Patents by Inventor Ki Wan Baek

Ki Wan Baek 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 Member and Preparation Method Thereof
    Publication number: 20120295020
    Abstract: The present invention relates to a preparation method of an optical member, comprising the following steps: coating a a mixture of methyl methacrylate (MMA) and a light diffuser on one surface of a substrate comprising poly methyl methacrylate (PMMA) by a predetermined pattern; polymerizing the coated methyl methacrylate into poly methyl methacrylate to form semi-cured polymethyl methacrylate; and completely curing the semi-cured polymethyl methacrylate, and an optical member prepared thereby.
    Type: Application
    Filed: January 18, 2011
    Publication date: November 22, 2012
    Inventors: Doo Jin Park, Ji Hwan Park, Seok Il Yoon, Hun Soo Oh, Dong Jin Jung, Ki Wan Baek, Jae Hoon Kim, Ki Seop Kim, Jong Kil Kim