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.

Date of Patent:
Dec. 16, 2025

Filed:

Jun. 08, 2020
Applicants:

Kyushu University, National University Corporation, Fukuoka, JP;

Nippon Soda Co., Ltd., Tokyo, JP;

Inventors:

Takuma Yasuda, Fukuoka, JP;

Minlang Yang, Fukuoka, JP;

In Seob Park, Fukuoka, JP;

Katsunori Tanaka, Odawara, JP;

Yasuhiro Miyashita, Odawara, JP;

Yasuhiko Ashikari, Odawara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/86 (2006.01); C07D 403/04 (2006.01); C07D 403/10 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 209/86 (2013.01); C07D 403/04 (2013.01); C07D 403/10 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1029 (2013.01);
Abstract

Provided are compounds represented by, for example, formula (1) (wherein R, R, Rand Reach independently represent a hydrogen atom, an alkyl group, or a heteroaryl group, not all of R, R, Rand Rbeing hydrogen atoms), a luminescent material including at least one compound selected from among the compounds, and a luminescent element including the luminescent material.


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