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:
Sep. 03, 2024
Filed:
Mar. 26, 2019
Applicant:
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Inventors:
Bitnari Kim, Gyeonggi-do, KR;
Sang-Hee Cho, Gyeonggi-do, KR;
Hyo-Jung Lee, Gyeonggi-do, KR;
Ye-Jin Jeon, Gyeonggi-do, KR;
Hyun-Ju Kang, Gyeonggi-do, KR;
Su-Hyun Lee, Gyeonggi-do, KR;
Jeong-Eun Yang, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C07D 209/86 (2006.01); C07D 209/88 (2006.01); C07D 403/04 (2006.01); C07D 403/10 (2006.01); C07D 487/16 (2006.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); C07D 209/86 (2013.01); C07D 209/88 (2013.01); C07D 403/04 (2013.01); C07D 403/10 (2013.01); C07D 487/16 (2013.01); C07F 15/0033 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 2101/90 (2023.02);
Abstract
The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.