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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 12250883 B1

PDFFull Text
Date of Patent:
Mar. 11, 2025

Filed:

May. 20, 2024

Organic electroluminescence element and electronic device

Applicant:

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

Inventors:

Takushi Shiomi, Chiyoda-ku, JP;

Toshinari Ogiwara, Chiyoda-ku, JP;

Hiromi Nakano, Chiyoda-ku, JP;

Assignee:

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

Attorney:

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

Primary Examiner:

Anthony Ho

Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 209/86 (2006.01); C07D 405/10 (2006.01); C07D 405/14 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 209/86 (2013.01); C07D 405/10 (2013.01); C07D 405/14 (2013.01); C07D 491/048 (2013.01); C07D 495/04 (2013.01); C09K 11/06 (2013.01); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6574 (2023.02); C07B 2200/05 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02);
Abstract

A compound may include a partial structures of formula (3-1A), (32h), and (3-11B) in one molecule, Rto Rbeing independently H or a substituent, or adjacent pair(s) form a ring, at least one of Rto Ris a single bond to another atom/structure in the molecule, and one of Rto Ris a single bond to the partial structure of formula (32), Xis N bonded to the partial structure of formula (-A), Yto Yare independently CR, or C bonded to another atom/structure in the molecule, at least one of Yto Yis C bonded to the partial structure of formula (3-11B), Rare independently H or a substituent, or pair(s) of adjacent Rare bonded to form a ring, and at least one Ris independently a single bond to another atom/structure in the molecule.

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