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:
Feb. 10, 2026

Filed:

Sep. 08, 2020
Applicant:

Kyulux, Inc., Fukuoka, JP;

Inventors:

Yong Joo Cho, Fukuoka, JP;

Kaori Fujisawa, Fukuoka, JP;

Yoshitake Suzuki, Fukuoka, JP;

Masataka Yamashita, Fukuoka, JP;

Shuo-Hsien Cheng, Fukuoka, JP;

Yuseok Yang, Fukuoka, JP;

Hiroaki Ozawa, Fukuoka, JP;

Hayato Kakizoe, Fukuoka, JP;

Yu Inada, Fukuoka, JP;

Ayataka Endo, Fukuoka, JP;

Assignee:

KYULUX, INC., Fukuoka, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 403/10 (2006.01); C07D 403/14 (2006.01); C07D 487/04 (2006.01); C07D 491/048 (2006.01); C07D 519/00 (2006.01); H10K 50/12 (2023.01); H10K 71/16 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 403/10 (2013.01); C07D 403/14 (2013.01); C07D 487/04 (2013.01); C07D 491/048 (2013.01); C07D 519/00 (2013.01); H10K 85/631 (2023.02); H10K 85/652 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); C07B 2200/05 (2013.01); H10K 50/12 (2023.02); H10K 71/164 (2023.02);
Abstract

The present disclosure relates to compounds of Formula I) as useful materials for OLED's. X, Xand Xare N or C(R); Arand Arare aryl, heteroaryl or cyano; Lis single bond, arylene or heteroarylene; and R, R, Rand Rare diarylamino, carbazolyl, heteroaryl, H or alkyl.


Find Patent Forward Citations

Cho, Yong. (2026). Composition of matter for use in organic light-emitting diodes (U.S. Patent No. 12545664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12545664

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

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