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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 12457899 B1

PDFFull Text
Date of Patent:
Oct. 28, 2025

Filed:

Oct. 26, 2023

Multi-component host material and an organic electroluminescence device comprising the same

Applicant:

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

Inventors:

Hee-Choon Ahn, Gyeonggi-do, KR;

Young-Kwang Kim, Gyeonggi-do, KR;

Su-Hyun Lee, Gyeonggi-do, KR;

Ji-Song Jun, Gyeonggi-do, KR;

Seon-Woo Lee, Gyeonggi-do, KR;

Chi-Sik Kim, Gyeonggi-do, KR;

Kyoung-Jin Park, Gyeonggi-do, KR;

Nam-Kyun Kim, Gyeonggi-do, KR;

Kyung-Hoon Choi, Gyeonggi-do, KR;

Jae-Hoon Shim, Seoul, KR;

Young-Jun Cho, Gyeonggi-do, KR;

Kyung-Joo Lee, Seoul, KR;

Assignee:

DuPont Specialty Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 209/86 (2006.01); C07F 15/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); C07D 209/88 (2006.01); C07D 401/04 (2006.01); C07D 401/10 (2006.01); C07D 401/14 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 487/04 (2006.01); C07D 491/04 (2006.01); C07D 495/04 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 209/86 (2013.01); C07F 15/0033 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); H10K 85/40 (2023.02); H10K 85/615 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); C07D 209/88 (2013.01); C07D 401/04 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 487/04 (2013.01); C07D 491/04 (2013.01); C07D 495/04 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/156 (2023.02); H10K 85/636 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

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