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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 12721039 B1

PDFFull Text
Date of Patent:
Aug. 25, 2026

Filed:

Oct. 21, 2024

Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same

Applicant:

Dupont Specialty Materials Korea Ltd., Chungcheongnam-do, KR;

Inventors:

Bitnari Kim, Gyeonggi-do, KR;

Sang-Hee Cho, Gyeonggi-do, KR;

Hyo-Jung Lee, Gyeonggi-do, KR;

Hyun-Ju Kang, Gyeonggi-do, KR;

Jeong-Eun Yang, Gyeonggi-do, KR;

Su-Hyun Lee, Gyeonggi-do, KR;

Assignee:

DuPont Specialty Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

William D Young

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 209/94 (2006.01); C07D 403/10 (2006.01); C07D 405/04 (2006.01); C07D 405/10 (2006.01); C07D 487/04 (2006.01); C07D 487/16 (2006.01); C09K 11/02 (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 85/6572 (2023.02); C07D 209/94 (2013.01); C07D 403/10 (2013.01); C07D 405/04 (2013.01); C07D 405/10 (2013.01); C07D 487/04 (2013.01); C07D 487/16 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H10K 85/636 (2023.02); H10K 85/654 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (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 comprising a specific combination of compounds, an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics can be produced.

Find Patent Forward Citations

Kim, Bitnari. (2026). Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same (U.S. Patent No. 12721039). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12721039

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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