logo

For the Inventor, By the Inventor

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 12765161 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Sep. 24, 2021

Compound, light-emitting material, and light-emitting element

Applicant:

Kyulux, Inc., Fukuoka, JP;

Inventors:

Yong Joo Cho, Fukuoka, JP;

Yoshitake Suzuki, Fukuoka, JP;

Masataka Yamashita, Fukuoka, JP;

Naomi Shimamura, Fukuoka, JP;

Yu Yamane, Fukuoka, JP;

Satoshi Ohno, Fukuoka, JP;

Shinhyung Choi, Fukuoka, JP;

Noboru Sanada, Fukuoka, JP;

Assignee:

KYULUX, INC., Fukuoka, JP;

Attorneys:

Troutman Pepper Locke LLP

James E. Armstrong, IV

Primary Examiner:

Tri V Nguyen

Int. Cl.
CPC ...
H10K 50/12 (2023.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/00 (2023.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/20 (2023.01);
U.S. Cl.
CPC ...
H10K 50/121 (2023.02); C07D 491/048 (2013.01); C07D 495/04 (2013.01); C09K 11/02 (2013.01); C09K 11/06 (2013.01); H10K 50/11 (2023.02); H10K 50/401 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); H10K 50/12 (2023.02); H10K 85/658 (2023.02); H10K 2101/10 (2023.02); H10K 2101/20 (2023.02);
Abstract

A compound represented by the following general formula is an excellent light emitting material. Rto Reach represent a hydrogen atom, a deuterium atom, or a substituent other than a cyano group, but one or more of Rto Ris an aryl group or a pyridyl group, two or more of Rto Rare donor groups, and one or more of them are a substituted ring-fused indol-1-yl group (the number of rings constituting the fused ring is 4 or more).

Find Patent Forward Citations

Cho, Yong. (2026). Compound, light-emitting material, and light-emitting element (U.S. Patent No. 12765161). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12765161

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…