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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 12643869 B1

PDFFull Text
Date of Patent:
Jun. 02, 2026

Filed:

Mar. 27, 2024

Organic el device, amine compound having benzazole ring structure, and method in which said amine compound is used in capping layer of organic el device

Applicant:

Hodogaya Chemical Co., Ltd., Tokyo, JP;

Inventors:

Kouki Kase, Tokyo, JP;

Takeshi Yamamoto, Tokyo, JP;

Shunji Mochizuki, Tokyo, JP;

Shuichi Hayashi, Tokyo, JP;

Assignee:

HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Vu A Nguyen

Int. Cl.
CPC ...
C07D 249/20 (2006.01); H10K 50/10 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/858 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 249/20 (2013.01); H10K 50/10 (2023.02); H10K 50/858 (2023.02); H10K 85/631 (2023.02); H10K 85/654 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02);
Abstract

The present invention relates to an organic EL device having at least an anodic electrode, a hole transport layer, a light emitting layer, an electron transport layer, a cathodic electrode, and a capping layer in this order, in which the capping layer contains an amine compound having a benzazole ring structure represented by the following general formula (A-1).

Find Patent Forward Citations

Kase, Kouki. (2026). Organic el device, amine compound having benzazole ring structure, and method in which said amine compound is used in capping layer of organic el device (U.S. Patent No. 12643869). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12643869

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

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