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:
Feb. 24, 2026
Filed:
Nov. 30, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hojung Lee, Daejeon, KR;
Wanpyo Hong, Daejeon, KR;
Jae Seung Ha, Daejeon, KR;
Ji Young Choi, Daejeon, KR;
Woochul Lee, Daejeon, KR;
Joo Ho Kim, Daejeon, KR;
Hoon Jun Kim, Daejeon, KR;
Seonwoo Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07C 15/28 (2006.01); C07D 307/91 (2006.01); C07F 5/02 (2006.01); C07F 7/08 (2006.01); C09K 11/06 (2006.01); H10K 85/00 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
C07D 307/91 (2013.01); C07C 15/28 (2013.01); C07F 5/027 (2013.01); C07F 7/0812 (2013.01); C09K 11/06 (2013.01); H10K 85/00 (2023.02); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/658 (2023.02); C07B 2200/05 (2013.01); C07C 2603/24 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/12 (2023.02); H10K 2101/90 (2023.02);
Abstract
An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3; and a compound represented by Formula 2.