Patents by Inventor Chan-Iek Choi

Chan-Iek 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).

  • Publication number: 20100202157
    Abstract: A backlight unit includes a light source for emitting light; and a light guide film for directing light emitted from the light source toward a liquid crystal display panel. In the backlight unit, the light guide film includes a polycarbonate (PC) film comprising a plasticizer; and at least one of a reflective layer or an optical layer on at least one surface of the PC film.
    Type: Application
    Filed: January 26, 2010
    Publication date: August 12, 2010
    Inventors: Da-Eun Jang, Won-Ki Cho, Dong-Hwan Lee, Chan-Iek Choi
  • Publication number: 20100203183
    Abstract: A roller type stamper includes a roller; a stamper film including a first surface having a pattern, and a second surface opposite the first surface and connected to an outer circumferential surface of the roller at least one connecting portion; and a planarizing portion for filling a groove approximate the at least one connecting portion.
    Type: Application
    Filed: February 2, 2010
    Publication date: August 12, 2010
    Inventors: Chan-Iek Choi, Won-Ki Cho