Patents by Inventor Hyoung Guen Park

Hyoung Guen Park 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).

  • CRT panel having specified inner surface arc curvatures
    Patent number: 6628062
    Abstract: Color CRT panel including an outside surface substantially flat, and an inside surface with a desired curvature, wherein an inside surface curvature structure of the panel consists of arc curvatures having a long axis direction radius Rx of curvature and a short axis direction radius Ry of curvature different from each other, thereby improving a structural strength of the shadow mask to prevent deterioration of color reproducibility of an image.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: September 30, 2003
    Assignee: LG Electronics, Inc.
    Inventors: Keon Soo Nah, Hyoung Guen Park