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 12545678 B1

PDFFull Text
Date of Patent:
Feb. 10, 2026

Filed:

Sep. 09, 2021

Blue thermally activated delayed fluorescent emitters and hosts based on functionalized imidazolyl groups

Applicant:

Arizona Board of Regents on Behalf of Arizona State University, Scottsdale, AZ (US);

Inventors:

Jian Li, Tempe, AZ (US);

Jiang Wu, Chandler, AZ (US);

Assignee:

ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZON STATE UNIVERSITY, Scottsdale, AZ (US);

Attorney:

Riverside Law LLP

Primary Examiner:

Amanda L Aguirre

Int. Cl.
CPC ...
C07D 471/14 (2006.01); C07D 471/22 (2006.01); C07D 491/147 (2006.01); C07D 491/22 (2006.01); C07D 493/14 (2006.01); C07D 493/22 (2006.01); C07D 495/04 (2006.01); C07D 495/14 (2006.01); C07D 495/22 (2006.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 471/14 (2013.01); C07D 471/22 (2013.01); C07D 491/147 (2013.01); C07D 491/22 (2013.01); C07D 495/14 (2013.01); C07D 495/22 (2013.01); H10K 85/6572 (2023.02); C07D 493/14 (2013.01); C07D 493/22 (2013.01); C07D 495/04 (2013.01); H05K 2201/10106 (2013.01);
Abstract

Compounds of General Formula I may act as thermally activated delayed fluorescent emitters in organic electroluminescent devices. Compounds of General Formula I have donor and acceptor groups part of the same conjugated system. Devices incorporating compounds of General Formula I may have higher EQE and longer material lifetimes.

Find Patent Forward Citations

Quick Actions:

Li, Jian. (2026). Blue thermally activated delayed fluorescent emitters and hosts based on functionalized imidazolyl groups (U.S. Patent No. 12545678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12545678

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

Loading…