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.

Date of Patent:
Apr. 21, 2026

Filed:

Nov. 27, 2020
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Dong UK Heo, Daejeon, KR;

Sujeong Geum, Daejeon, KR;

Jaegoo Lee, Daejeon, KR;

Sung Kil Hong, Daejeon, KR;

Woochul Lee, Daejeon, KR;

Jae Tak Lee, Daejeon, KR;

Jung Min Yoon, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 239/26 (2006.01); C07D 251/24 (2006.01); C07F 5/02 (2006.01); C07F 7/08 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/18 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 239/26 (2013.01); C07D 251/24 (2013.01); C07F 5/027 (2013.01); C07F 7/0812 (2013.01); C09K 11/06 (2013.01); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/658 (2023.02); C07B 2200/05 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02);
Abstract

Provided is an organic light-emitting device including an anode, a cathode, a light-emitting layer including a compound of Formula 1 between the anode and cathode, and a first organic material layer including a compound of Chemical Formula 2 between the light-emitting layer and the cathode:


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