Patents by Inventor Choong-Keum Yoo

Choong-Keum Yoo 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: 20030205970
    Abstract: An organic electroluminescent display (ELD) device includes a first substrate, a second substrate spaced apart and facing the first substrate, a plurality of switching elements and a plurality of driving elements interconnected on the first substrate, a plurality of connecting electrodes connected to each of the driving elements, a plurality of subsidiary electrodes formed on an inner surface of the second substrate in spaces between two adjacent pixel regions, a first electrode formed on the inner surface of the second substrate covering each of the subsidiary electrodes, an organic light-emitting layer disposed on the first electrode, and a second electrode having first portions disposed on the organic light-emitting layer.
    Type: Application
    Filed: December 27, 2002
    Publication date: November 6, 2003
    Applicant: LG. Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Choong-Keum Yoo, Ock-Hee Kim, Nam-Yang Lee, Kwan-Soo Kim