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:
Aug. 09, 2022
Filed:
Apr. 26, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Yong Bum Cha, Daejeon, KR;
Yeon Ho Cho, Daejeon, KR;
Yeon Hwan Kim, Daejeon, KR;
Sang Young Jeon, Daejeon, KR;
Sung Jae Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/26 (2006.01); C07D 213/06 (2006.01); C07D 251/24 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 239/26 (2013.01); C07D 213/06 (2013.01); C07D 251/24 (2013.01); H01L 51/0067 (2013.01); H01L 51/508 (2013.01); H01L 51/5064 (2013.01);
Abstract
The present disclosure relates to a cyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same. The cyclic compound used as a material of an organic material layer of the organic light emitting device, provides improved efficiency, low driving voltage, and improved lifetime characteristics.