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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 12588353 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

May. 26, 2022

Plurality of host materials, organic electroluminescent compound and organic electroluminescent device comprising the same

Applicant:

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

Inventors:

Sang-Hee Cho, Gyeonggi-do, KR;

Bitnari Kim, Gyeonggi-do, KR;

Young-Jae Kim, Gyeonggi-do, KR;

So-Young Jung, Gyeonggi-do, KR;

Mi-Ja Lee, Gyeonggi-do, KR;

Su-Hyun Lee, Gyeonggi-do, KR;

Tae-Jun Han, Gyeonggi-do, KR;

Haeyeon Kim, Gyeonggi-do, KR;

Assignee:

DuPont Specialty Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
H10K 50/11 (2023.01); C07D 209/94 (2006.01); C07D 403/10 (2006.01); C07D 405/10 (2006.01); C07D 409/10 (2006.01); C07D 487/04 (2006.01); H10K 85/00 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 50/11 (2023.02); C07D 209/94 (2013.01); C07D 403/10 (2013.01); C07D 405/10 (2013.01); C07D 409/10 (2013.01); C07D 487/04 (2013.01); H10K 85/00 (2023.02); H10K 85/636 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present disclosure relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising the specific combination of compounds according to the present disclosure as a plurality of host materials according to the present disclosure, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime property compared to the conventional organic electroluminescent devices.

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