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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 12492162 B1

PDFFull Text
Date of Patent:
Dec. 09, 2025

Filed:

Apr. 25, 2024

Organic electroluminescent element and electronic device

Applicant:

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

Inventors:

Ryota Takahashi, Ichihara, JP;

Tomoki Kato, Ichihara, JP;

Hirokatsu Ito, Ichihara, JP;

Masahiro Kawamura, Basel, CH;

Masakazu Funahashi, Chiba, JP;

Hiroyuki Saito, Goyang-si, KR;

Yuichiro Kawamura, Chiba, JP;

Yoshiaki Takahashi, Chiba, JP;

Tetsuya Masuda, Chiba, JP;

Hitoshi Kuma, Sodegaura, JP;

Assignee:

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

Attorney:

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

Primary Examiner:

Gregory D Clark

Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07C 211/61 (2006.01); C07D 209/86 (2006.01); C07D 213/16 (2006.01); C07D 213/22 (2006.01); C07D 231/56 (2006.01); C07D 235/18 (2006.01); C07D 237/08 (2006.01); C07D 239/26 (2006.01); C07D 239/74 (2006.01); C07D 241/12 (2006.01); C07D 251/24 (2006.01); C07D 307/92 (2006.01); C07D 333/74 (2006.01); C07D 333/76 (2006.01); C07D 471/04 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/165 (2023.01); H10K 50/18 (2023.01); H10K 71/00 (2023.01); H10K 71/16 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
C07C 211/61 (2013.01); C07D 209/86 (2013.01); C07D 213/16 (2013.01); C07D 213/22 (2013.01); C07D 231/56 (2013.01); C07D 235/18 (2013.01); C07D 237/08 (2013.01); C07D 239/26 (2013.01); C07D 239/74 (2013.01); C07D 241/12 (2013.01); C07D 251/24 (2013.01); C07D 307/92 (2013.01); C07D 333/74 (2013.01); C07D 333/76 (2013.01); C07D 471/04 (2013.01); C09K 11/06 (2013.01); H10K 85/623 (2023.02); H10K 85/624 (2023.02); H10K 85/633 (2023.02); H10K 85/654 (2023.02); C07C 2603/18 (2017.05); C07C 2603/52 (2017.05); C07C 2603/94 (2017.05); C07C 2603/97 (2017.05); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/156 (2023.02); H10K 50/165 (2023.02); H10K 50/166 (2023.02); H10K 50/18 (2023.02); H10K 71/00 (2023.02); H10K 71/164 (2023.02); H10K 2101/10 (2023.02); H10K 2101/27 (2023.02); H10K 2102/351 (2023.02);
Abstract

Compounds of formulae (2-7) or (2-9) are provided: Also provided are organic electroluminescence (EL) devices containing the compounds having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

Find Patent Forward Citations

Takahashi, Ryota. (2025). Organic electroluminescent element and electronic device (U.S. Patent No. 12492162). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12492162

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