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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 12317744 B1

PDFFull Text
Date of Patent:
May. 27, 2025

Filed:

Jul. 06, 2017

Compound having a fused-azole ring structure and organic electroluminescent element

Applicant:

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

Inventors:

Naoaki Kabasawa, Tokyo, JP;

Keigo Naito, Tokyo, JP;

Taeyoung Kim, Tokyo, JP;

Assignee:

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

Attorneys:

Troutman Pepper Locke LLP

James E. Armstrong, IV

Nicolas J. DiCeglie, Jr.

Primary Examiner:

Seokmin Jeon

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 263/57 (2006.01); C07D 413/04 (2006.01); C07D 413/10 (2006.01); C07D 413/14 (2006.01); C07D 417/10 (2006.01); C07D 471/04 (2006.01); C07D 471/10 (2006.01); C09K 11/06 (2006.01); H10K 50/00 (2023.01); H10K 50/11 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/18 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/657 (2023.02); C07D 263/57 (2013.01); C07D 413/04 (2013.01); C07D 413/10 (2013.01); C07D 413/14 (2013.01); C07D 417/10 (2013.01); C07D 471/04 (2013.01); C07D 471/10 (2013.01); C09K 11/06 (2013.01); H10K 50/00 (2023.02); H10K 85/615 (2023.02); H10K 85/622 (2023.02); H10K 85/624 (2023.02); H10K 85/626 (2023.02); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/18 (2023.02); H10K 2101/10 (2023.02);
Abstract

To provide an organic compound having a high electron injection/transport performances, an excellent hole blocking ability, and a stable thin-film state, as a material for organic electroluminescent devices with high efficiency and high durability, and also to provide an organic electroluminescent device having a high efficiency and high durability by using the compound. An organic electroluminescent device comprising a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, wherein the compound having a fused-azole ring structure of the general formula (1) is used as a constituent material of at least one organic layer.

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