Patents by Inventor KyuSoung KIM

KyuSoung KIM 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 PHOSPHORESCENT HOST AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISNG SAME
    Publication number: 20170133603
    Abstract: Disclosed is a phosphor host compound having a donor-acceptor-donor (D-A-D) structure wherein a thioxanthene compound occupies the acceptor core responsible for the mother skeleton of the structure, and carbazole or carboline compounds serve as the peripheral donors connected to the central atom opposite to the sulfone radical in the mother skeleton.
    Type: Application
    Filed: March 24, 2015
    Publication date: May 11, 2017
    Applicant: BYUCKSAN PAINT & COATINGS CO. LTD
    Inventors: KukSoung JOUNG, KyuSoung KIM