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:
Jun. 04, 2024
Filed:
Jul. 25, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jungoh Huh, Daejeon, KR;
Sung Kil Hong, Daejeon, KR;
Dong Uk Heo, Daejeon, KR;
Miyeon Han, Daejeon, KR;
Jae Tak Lee, Daejeon, KR;
Junghoon Yang, Daejeon, KR;
Heekyung Yun, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/13 (2023.01); H10K 50/18 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6574 (2023.02); H10K 85/654 (2023.02); H10K 50/11 (2023.02); H10K 50/131 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02);
Abstract
An organic light emitting device having a first organic material layer that includes a compound of Chemical Formula 1 and the second organic material layer that includes a compound of Chemical Formula 2,