Patents by Inventor Duk-il Park

Duk-il 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).

  • Patent number: 5592047
    Abstract: A flat glow discharge lamp includes a discharge tube having two opposing flat faces and a first and second plurality of long electrodes disposed on respective opposing flat faces, wherein one of the pluralities of long electrodes is composed of a transparent conductive material. The discharge lamp includes a fluorescent layer disposed on the inner surface of the discharge tube, and either rare gases, such as argon, or low-pressure mercury vapor. The first and second plurality of long electrodes provides for a homogeneous discharge over the face of the discharge lamp.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: January 7, 1997
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Duk-il Park, Sang-mook Kim