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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 12612418 B1

PDFFull Text
Date of Patent:
Apr. 28, 2026

Filed:

Nov. 02, 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:

Hyun-Ju Kang, Gyeonggi-do, KR;

Eun-Joung Choi, Gyeonggi-do, KR;

Hyo-Jung Lee, Gyeonggi-do, KR;

Su-Hyun Lee, Gyeonggi-do, KR;

Kyoung-Jin Park, Gyeonggi-do, KR;

Sang-Hee Cho, Gyeonggi-do, KR;

Hong-Yeop Na, Gyeonggi-do, KR;

Assignee:

DuPont Specialty Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Dawn L Garrett

Int. Cl.
CPC ...
C07D 519/00 (2006.01); C07D 498/04 (2006.01); C07D 513/04 (2006.01); H10K 50/11 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
C07D 519/00 (2013.01); C07D 498/04 (2013.01); C07D 513/04 (2013.01); H10K 85/40 (2023.02); H10K 85/622 (2023.02); H10K 85/623 (2023.02); H10K 85/625 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or the specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to provide an organic electroluminescent device having improved luminous efficiency.

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