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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 12692435 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Mar. 31, 2021

Organic electroluminescent element, compound, and electronic equipment

Applicant:

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

Inventors:

Satomi Tasaki, Tokyo, JP;

Kazuki Nishimura, Tokyo, JP;

Ryota Takahashi, Tokyo, JP;

Yuki Nakano, Tokyo, JP;

Maiko Iida, Tokyo, JP;

Hiroaki Itoi, Tokyo, JP;

Assignee:

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

Attorney:

Foley & Lardner LLP

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07C 15/38 (2006.01); C07D 307/91 (2006.01); C07D 311/78 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07C 15/38 (2013.01); C07D 307/91 (2013.01); C07D 311/78 (2013.01); H10K 85/622 (2023.02); H10K 85/623 (2023.02); H10K 85/626 (2023.02); H10K 85/6574 (2023.02); C07C 2603/50 (2017.05); C07C 2603/52 (2017.05); C09K 2211/1003 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02);
Abstract

An organic electroluminescence device includes a first emitting layer and a second emitting layer provided between an anode and a cathode, in which the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below and having at least one group represented by a formula (11) below, and the second emitting layer contains a second host material.

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Quick Actions:

Tasaki, Satomi. (2026). Organic electroluminescent element, compound, and electronic equipment (U.S. Patent No. 12692435). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12692435

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

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