Patents by Inventor Youngg Jun Cho

Youngg Jun Cho 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).

  • NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
    Publication number: 20120206037
    Abstract: Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same. When used as a host material of an organic electroluminescent material of an OLED device, the organic electroluminescent compound disclosed herein exhibits good luminous efficiency and excellent life property as compared to the existing host material. Therefore, it may be used to manufacture OLEDs having very superior operation life.
    Type: Application
    Filed: July 19, 2010
    Publication date: August 16, 2012
    Applicant: Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Soo Young Lee, Young Gil Kim, Youngg Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon