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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.:

US 12696683 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Oct. 13, 2021

Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same

Applicant:

Rohm and Haas Electronic Materials Korea Ltd., Chungcheongnam-do, KR;

Inventors:

Su-Hyun Lee, Gyeonggi-do, KR;

So-Young Jung, Gyeonggi-do, KR;

Sang-Hee Cho, Gyeonggi-do, KR;

Jin-Ri Hong, Gyeonggi-do, KR;

So-Mi Park, Gyeonggi-do, KR;

Hae-Yeon Kim, Gyeonggi-do, KR;

Tae-Jun Han, Gyeonggi-do, KR;

Assignee:

DuPont Specialty Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07C 211/61 (2006.01); C07D 307/91 (2006.01); C07D 403/10 (2006.01); C07D 405/04 (2006.01); C07D 405/10 (2006.01); C07D 405/14 (2006.01); C07D 413/04 (2006.01); C07D 413/14 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07C 211/61 (2013.01); C07D 307/91 (2013.01); C07D 403/10 (2013.01); C07D 405/04 (2013.01); C07D 405/10 (2013.01); C07D 405/14 (2013.01); C07D 413/04 (2013.01); C07D 413/14 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); C07C 2603/18 (2017.05); C07C 2603/48 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.

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