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:
Apr. 25, 2023
Filed:
Apr. 27, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyung Seok Jeong, Daejeon, KR;
Minseung Chun, Daejeon, KR;
Wanpyo Hong, Daejeon, KR;
Jin Joo Kim, Daejeon, KR;
Hongsik Yoon, Daejeon, KR;
Joongsuk Oh, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 498/04 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 498/04 (2013.01); H01L 51/0061 (2013.01); H01L 51/0069 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0094 (2013.01); H01L 51/5056 (2013.01); H01L 51/0073 (2013.01); H01L 51/5012 (2013.01);
Abstract
The present specification provides a heterocyclic compound of Chemical Formula 1, and an organic light emitting device comprising the same. The heterocyclic compound used as a material of an organic material layer of an organic light emitting device provides enhanced efficiency, low driving voltage, and enhanced lifetime properties of the organic light emitting device.