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.:
Date of Patent:
Aug. 04, 2026
Filed:
Mar. 17, 2022
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Michelle Groarke, Binningen, CH;
Heinz Wolleb, Fehren, CH;
Natalia Chebotareva, Hagenthal le Bas, FR;
Hiroaki Toyoshima, Sodegaura, JP;
Masatoshi Saito, Sodegaura, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 401/10 (2006.01); C07D 471/04 (2006.01); C09K 11/06 (2006.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 401/10 (2013.01); C07D 471/04 (2013.01); C09K 11/06 (2013.01); H10K 85/615 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1018 (2013.01); H10K 50/16 (2023.02); H10K 50/171 (2023.02);
Abstract
An organic electroluminescence device comprising an electron-transporting zone comprising