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. 26, 2023
Filed:
Jul. 19, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min Young Kang, Daejeon, KR;
Tae Yoon Park, Daejeon, KR;
Seongmi Cho, Daejeon, KR;
Jeong Wook Mun, Daejeon, KR;
Min Woo Jung, Daejeon, KR;
Jung Ha Lee, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 409/04 (2006.01); C07D 405/04 (2006.01); H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01);
U.S. Cl.
CPC ...
C07D 409/04 (2013.01); C07D 405/04 (2013.01); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02);
Abstract
Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.