Patents by Inventor Cheol-Lae Roh

Cheol-Lae Roh 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: 20070189685
    Abstract: An optical fiber can increase efficiency of a laser source and can uniformly distribute the intensity of laser beam when patterning electrodes using a laser. A plasma display panel uses the optical fiber. The shape of a cross-sectional shape of an inner side of the optical fiber is formed to correspond to an outer rim of a pattern mask. The optical fiber transmits light and is connected to the laser source.
    Type: Application
    Filed: February 13, 2007
    Publication date: August 16, 2007
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jung-Hyuck Choi, Cheol-Lae Roh, Gyoo-Wan Han