Patents by Inventor Ae-Ran Hyun

Ae-Ran Hyun 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).

  • Phosphaphenanthrene compounds and organic light emitting diode using the same
    Patent number: 8394512
    Abstract: The present invention relates to new phosphaphenanthrene compounds with excellent light emitting property and an organic light emitting diode (OLED) using the same.
    Type: Grant
    Filed: April 5, 2008
    Date of Patent: March 12, 2013
    Assignee: Inktec Co., Ltd.
    Inventors: Kwang Choon Chung, Hyun-Nam Cho, Ik-Kyu Park, Ji-Hoon Yoo, Ae-Ran Hyun, Yun-Ho Jung
  • PHOSPHAPHENANTHRENE COMPOUNDS AND ORGANIC LIGHT EMITTING DIODE USING THE SAME
    Publication number: 20100252818
    Abstract: The present invention relates to new phosphaphenanthrene compounds with excellent light emitting property and an organic light emitting diode (OLED) using the same.
    Type: Application
    Filed: April 5, 2008
    Publication date: October 7, 2010
    Applicant: INKTEC CO., LTD.
    Inventors: Kwang Choon Chung, Hyun-Nam Cho, Ik-Kyu Park, Ji-Hoon Yoo, Ae-Ran Hyun, Yun-Ho Jung