Patents by Inventor Yeon-guk Seong

Yeon-guk Seong 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).

  • Color filter for a liquid crystal display using at least one of acid red 52, acid red 486, and rhodamine 6 GCT
    Patent number: 5541750
    Abstract: A color filter for a liquid crystal display comprising a pair of substrates each having a transparent electrode formed thereon is provided. The color filter comprising coloring materials and resins provided on at least one of the substrates, further comprises at least one dye selected from among acid red 52, acid red 486 and rhodamine 6 GCT.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: July 30, 1996
    Assignee: Samsung Electron Devices Co., LTD.
    Inventors: Yeon-guk Seong, Yong-hyeon Nam, Chun-sik Kim, Jae-wu Bae