Patents by Inventor Tae-Hyok Kwon

Tae-Hyok Kwon 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).

  • Iridium compound and organic electroluminescent device using the same
    Patent number: 7332233
    Abstract: A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: February 19, 2008
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soo-Jin Park, Kwan-Hee Lee, Dong-Hyun Jung, Dae-Yup Shin, Tae-Hyok Kwon, Jong-In Hong
  • Iridium compound and organic electroluminescent device using the same
    Publication number: 20050031903
    Abstract: A blue phosphorescent compound and an organic electroluminescent device using the same are provided. The blue phosphorescent compound can emit deep blue light and can improve color purity and reduce power consumption when used in an organic electroluminescent device.
    Type: Application
    Filed: August 6, 2004
    Publication date: February 10, 2005
    Inventors: Soo-Jin Park, Kwan-Hee Lee, Dong-Hyun Jung, Dae-Yup Shin, Tae-Hyok Kwon, Jong-In Hong