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.:
Date of Patent:
Jan. 13, 2026
Filed:
Jun. 02, 2023
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Zhiqiang Ji, Chalfont, PA (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Jui-Yi Tsai, Newtown, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H10K 50/11 (2023.01); H10K 50/12 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/25 (2023.01);
U.S. Cl.
CPC ...
C07F 15/0033 (2013.01); H10K 50/11 (2023.02); H10K 85/342 (2023.02); H10K 85/40 (2023.02); H10K 85/622 (2023.02); H10K 85/654 (2023.02); H10K 85/655 (2023.02); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); H10K 50/12 (2023.02); H10K 2101/10 (2023.02); H10K 2101/25 (2023.02);
Abstract
Cyclometalated iridium complexes having triphenylene or aza triphenylene and bulky alkyl substitution that can be used as emitters in OLEDs to improve the external quantum efficiency (EQE) and lifetime of OLEDs are disclosed.