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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 11839153 B1

PDFFull Text
Date of Patent:
Dec. 05, 2023

Filed:

Oct. 09, 2018

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

Applicant:

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

Inventors:

Ryota Takahashi, Sodegaura, JP;

Hidetsugu Ikeda, Sodegaura, JP;

Yuki Nakano, Sodegaura, JP;

Assignee:

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

Attorney:

Foley & Lardner LLP

Primary Examiner:

Taofiq A Solola

Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 487/06 (2006.01); C07D 487/22 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 487/06 (2013.01); C07D 487/22 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 2101/10 (2023.02);
Abstract

A compound represented by formula (1) as defined, wherein in any one pair selected from Rand R, Rand R, and Rand R, one member represents a single bond bonded to *a of a group represented by the formula (11), and the other member represents a single bond bonded to *b, in any one pair selected from Rand R, Rand R, Rand R, Rand R, and Rand R, one member represents a single bond bonded to *a of a group represented by the formula (11) and the other member represents a single bond bonded to *b, or one member represents a single bond bonded to *c of a group represented by the formula (21), and the other member represents a single bond bonded to *d, and Rto Rexcept for the single bonds, Ar, and Rto Rare defined.

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