Patents by Inventor Jae-Hyung YU

Jae-Hyung YU 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).

  • Phosphorescent compound and organic light emitting diode device using the same
    Patent number: 9431617
    Abstract: The present invention provides a phosphorescent compound of following formula: wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: August 30, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun Kim, In-Bum Song, Bo-Min Seo, Jae-Hyung Yu
  • PHOSPHORESCENT COMPOUND AND ORGANIC LIGHT EMITTING DIODE DEVICE USING THE SAME
    Publication number: 20140151649
    Abstract: The present invention provides a phosphorescent compound of following formula: wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.
    Type: Application
    Filed: August 22, 2013
    Publication date: June 5, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jung-Keun KIM, In-Bum SONG, Bo-Min SEO, Jae-Hyung YU