Patents by Inventor Changyeon LEE

Changyeon LEE 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).

  • Compound for hole-transport and organic light-emitting device using the same
    Patent number: 9472770
    Abstract: A compound for preparing a hole transport layer, an organic light-emitting device, and a flat display apparatus, the compound including a —N3 moiety.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 18, 2016
    Assignees: SAMSUNG DISPLAY CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jaekook Ha, Bumjoon Kim, Junwoo Park, Changyeon Lee
  • COMPOUND FOR HOLE-TRANSPORT AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME
    Publication number: 20160111656
    Abstract: A compound for preparing a hole transport layer, an organic light-emitting device, and a flat display apparatus, the compound including a —N3 moiety.
    Type: Application
    Filed: March 12, 2015
    Publication date: April 21, 2016
    Inventors: Jaekook HA, Bumjoon KIM, Junwoo PARK, Changyeon LEE