Patents by Inventor Kwanghyung KIM

Kwanghyung 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).

  • Patent number: 9831445
    Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1 below:
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: November 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Haejin Kim, Samil Kho, Kwanghyung Kim, Youngkook Kim, Seokhwan Hwang
  • Publication number: 20160172594
    Abstract: A condensed cyclic compound and an organic light-emitting device, the compound being represented by Formula 1 below:
    Type: Application
    Filed: May 28, 2015
    Publication date: June 16, 2016
    Inventors: Haejin KIM, Samil KHO, Kwanghyung KIM, Youngkook KIM, Seokhwan HWANG