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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 11917907 B1

PDFFull Text
Date of Patent:
Feb. 27, 2024

Filed:

Nov. 22, 2021

Organic electroluminescent device

Applicant:

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

Inventors:

Kyoung-Jin Park, Gyeonggi-do, KR;

Tae-Jin Lee, Gyeonggi-do, KR;

Jae-Hoon Shim, Seoul, KR;

Yoo Jin Doh, Gyeonggi-do, KR;

Hee-Choon Ahn, Gyeonggi-do, KR;

Young-Kwang Kim, Gyeonggi-do, KR;

Doo-Hyeon Moon, Gyeonggi-do, KR;

Jeong-Eun Yang, Gyeonggi-do, KR;

Su-Hyun Lee, Gyeonggi-do, KR;

Chi-Sik Kim, Gyeonggi-do, KR;

Ji-Song Jun, Gyeonggi-do, KR;

Assignee:

Rohm and Haas Electronic Materials Korea Ltd., , KR;

Attorney:

G. Creston Campbell

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); H10K 85/60 (2023.01); C09K 11/06 (2006.01); H05B 33/20 (2006.01); C07D 209/86 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C09K 11/02 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 101/10 (2023.01); H10K 101/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/633 (2023.02); C07D 209/86 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H05B 33/20 (2013.01); H10K 85/631 (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); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1088 (2013.01); C09K 2211/1092 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/156 (2023.02); H10K 85/615 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract

The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Find Patent Forward Citations

Park, Kyoung-Jin. (2024). Organic electroluminescent device (U.S. Patent No. 11917907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11917907

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

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