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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 12796317 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

Aug. 12, 2025

Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device

Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Yusuke Takahashi, Chiyoda-ku, JP;

Tasuku Haketa, Chiyoda-ku, JP;

Shota Tanaka, Chiyoda-ku, JP;

Takuto Fukami, Chiyoda-ku, JP;

Tsukasa Sawato, Chiyoda-ku, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Dylan C Kershner

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07C 211/54 (2006.01); C09K 11/06 (2006.01); H10K 50/15 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/633 (2023.02); C07C 211/54 (2013.01); C09K 11/06 (2013.01); C09K 2211/1003 (2013.01); H10K 50/15 (2023.02); H10K 85/626 (2023.02); H10K 2102/351 (2023.02);
Abstract

A compound for further improving the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including such an organic electroluminescent device, in which the compound has formula (1): wherein N*, *a1, *a3, *b1, m, n, Rto R, Rto R, Rto R, Rto R, Rto R, L, Ar, Ar, and Arare as defined in the description, the organic electroluminescent device is an organic electroluminescent device including the compound, and the electronic device is an electronic device including such an organic electroluminescent device.

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Takahashi, Yusuke. (2026). Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device (U.S. Patent No. 12796317). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12796317

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