Patents by Inventor Hyundong CHUN

Hyundong CHUN 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).

  • Multicyclic aromatic compound and organic light emitting device using the same
    Patent number: 9899600
    Abstract: The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: February 20, 2018
    Assignee: Heesung Material Ltd.
    Inventors: Do-Hyung Lee, Dong-Jun Kim, Young-Seok No, Hyundong Chun, Joo-Dong Lee
  • MULTICYCLIC AROMATIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20140145169
    Abstract: The present specification describes a multicyclic aromatic ring compound having a novel structure and an organic light emitting device using the same.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 29, 2014
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Do-Hyung LEE, Dong-Jun KIM, Young-Seok NO, Hyundong CHUN, Joo-Dong LEE