Patents by Inventor Ji-yun Chun

Ji-yun Chun 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).

  • Novel anthracene typed compound and the organic electroluminescence display device using the same
    Publication number: 20100133996
    Abstract: The present invention relates to an anthracene compound and an organic electroluminescent display device using the same. Particularly, the present invention relates to an anthracene compound which has good blue light emitting property, transports holes and electrons efficiently to enable an organic electroluminescent display device to have a low voltage, high brightness and long lifetime, and an organic electroluminescent display device using the same.
    Type: Application
    Filed: May 7, 2008
    Publication date: June 3, 2010
    Applicant: Dongjin Semichem Co., Ltd
    Inventors: Hyoung-don Moon, Tae-jin Park, Hyun-cheol An, Jong-hyub Baek, Hoe-taek Yang, Sang-ook Kang, Won-sik Han, Kyung-ryang Wee, Ji-yun Chun