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. 23, 2026
Filed:
Aug. 18, 2022
Applicant:
Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;
Inventors:
Sang-Hee Cho, Gyeonggi-do, KR;
Young-Jae Kim, Gyeonggi-do, KR;
Haeyeon Kim, Gyeonggi-do, KR;
Young-Jun Cho, Gyeonggi-do, KR;
Kyung-Hoon Choi, Gyeonggi-do, KR;
So-Young Jung, Gyeonggi-do, KR;
Su-Hyun Lee, Gyeonggi-do, KR;
Mi-Ja Lee, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 209/56 (2006.01); C07D 263/52 (2006.01); C07D 307/91 (2006.01); C07D 405/10 (2006.01); C07D 413/12 (2006.01); C07D 413/14 (2006.01); C07D 487/16 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01);
U.S. Cl.
CPC ...
H10K 85/636 (2023.02); C07D 209/56 (2013.01); C07D 263/52 (2013.01); C07D 307/91 (2013.01); C07D 405/10 (2013.01); C07D 413/12 (2013.01); C07D 413/14 (2013.01); C07D 487/16 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 85/622 (2023.02); H10K 85/657 (2023.02); H10K 85/6576 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/90 (2023.02);
Abstract
The present disclosure relates to three different types of host materials, and an organic electroluminescent device comprising the same, and it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or improved lifetime properties compared to a conventional organic electroluminescent device.