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:
May. 28, 2024
Filed:
Aug. 30, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Young Seok Kim, Daejeon, KR;
Kongkyeom Kim, Daejeon, KR;
Ki Dong Koo, Daejeon, KR;
Min Woo Lee, Daejeon, KR;
Jung Min Yoon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 239/74 (2006.01); C07D 251/24 (2006.01); C07D 401/04 (2006.01); C07D 401/10 (2006.01); C07D 405/04 (2006.01); C07D 405/10 (2006.01); C07D 405/14 (2006.01); C07D 409/04 (2006.01); C07D 409/10 (2006.01); C07D 413/10 (2006.01); C07D 413/14 (2006.01); C07D 471/04 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/16 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 239/74 (2013.01); C07D 251/24 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 405/04 (2013.01); C07D 405/10 (2013.01); C07D 405/14 (2013.01); C07D 409/04 (2013.01); C07D 409/10 (2013.01); C07D 413/10 (2013.01); C07D 413/14 (2013.01); C07D 471/04 (2013.01); C09K 11/06 (2013.01); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/6565 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C09K 2211/1018 (2013.01); H10K 50/16 (2023.02);
Abstract
A cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, and the compound used as a material of an organic material layer in the organic light emitting device and providing improved efficiency, low driving voltage and improved lifetime characteristics of the organic light emitting device.