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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 12552803 B1

PDFFull Text
Date of Patent:
Feb. 17, 2026

Filed:

Feb. 11, 2021

Organic electroluminescent element, material for organic electroluminescent element, light emitting device, display device and lighting device each using said element, and compound used for said element

Applicant:

Udc Ireland Limited, Dublin, IE;

Inventors:

Yosuke Yamamoto, Kanagawa, JP;

Kousuke Watanabe, Kanagawa, JP;

Yuichiro Itai, Kanagawa, JP;

Assignee:

UDC Ireland Limited, Dublin, IE;

Attorney:

Riverside Law LLP

Primary Examiner:

Elizabeth M Dahlburg

Int. Cl.
CPC ...
C07D 487/06 (2006.01); C07D 487/16 (2006.01); C07D 491/16 (2006.01); C07D 495/16 (2006.01); C07D 519/00 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 85/30 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
C07D 487/06 (2013.01); C07D 487/16 (2013.01); C07D 491/16 (2013.01); C07D 495/16 (2013.01); C07D 519/00 (2013.01); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 50/11 (2023.02); H10K 85/324 (2023.02); H10K 85/342 (2023.02); H10K 85/622 (2023.02); H10K 85/631 (2023.02); H10K 2101/10 (2023.02);
Abstract

An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one layer of the organic layer(s) contains a compound represented by the following formula, has low driving voltage and excellent durability.

Find Patent Forward Citations

Yamamoto, Yosuke. (2026). Organic electroluminescent element, material for organic electroluminescent element, light emitting device, display device and lighting device each using said element, and compound used for said element (U.S. Patent No. 12552803). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12552803

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

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