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. 09, 2025
Filed:
Oct. 16, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Minwoo Choi, Daejeon, KR;
Jaeeun Kim, Daejeon, KR;
Minseung Chun, Daejeon, KR;
Jungha Lee, jDaejeon, KR;
Hyeon Soo Jeon, Daejeon, KR;
Sang Young Jeon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/04 (2006.01); C07D 403/10 (2006.01); C07D 409/04 (2006.01); C07D 487/04 (2006.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 405/04 (2013.01); C07D 403/10 (2013.01); C07D 409/04 (2013.01); C07D 487/04 (2013.01); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07B 2200/05 (2013.01);
Abstract
Provided is an organic light emitting device comprising an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2: wherein: