The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2014
Filed:
Oct. 08, 2009
Applicants:
Dae-woong Lee, Daejeon, KR;
Sung-kil Hong, Daejeon, KR;
Tae-yoon Park, Daejeon, KR;
Yeon-hwan Kim, Seoul, KR;
Seong-so Kim, Paju-si, KR;
Inventors:
Dae-Woong Lee, Daejeon, KR;
Sung-Kil Hong, Daejeon, KR;
Tae-Yoon Park, Daejeon, KR;
Yeon-Hwan Kim, Seoul, KR;
Seong-So Kim, Paju-si, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 209/82 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 209/82 (2013.01); H01L 51/5012 (2013.01); Y02E 10/549 (2013.01); H01L 51/0072 (2013.01); H01L 51/5048 (2013.01); H01L 51/006 (2013.01); H01L 51/0058 (2013.01); H01L 51/5088 (2013.01);
Abstract
The present invention relates to a novel compound and an organic light emitting device using the compound, and the compound according to the present invention may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.