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:
Oct. 17, 2023
Filed:
Jun. 23, 2020
Applicant:
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Inventors:
Bitnari Kim, Gyeonggi-do, KR;
Su-Hyun Lee, Gyeonggi-do, KR;
Doo-Hyeon Moon, Gyeonggi-do, KR;
So-Young Jung, Gyeonggi-do, KR;
Du-Yong Park, Gyeonggi-do, KR;
Hae-Yeon Kim, Gyeonggi-do, KR;
Sang-Hee Cho, Gyeonggi-do, KR;
Jin-Ri Hong, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6576 (2023.02); H10K 85/622 (2023.02); H10K 85/631 (2023.02); H10K 85/654 (2023.02); H10K 85/656 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02);
Abstract
The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the host materials according to the present disclosure, an organic electroluminescent device having a high power efficiency and/or long lifespan can be provided.