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:
Dec. 30, 2025
Filed:
Aug. 26, 2021
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Hsiao-Fan Chen, Ewing, NJ (US);
Jason Brooks, Philadelphia, PA (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C09K 11/02 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 85/20 (2023.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 102/00 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/346 (2023.02); C07F 15/0086 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H10K 85/221 (2023.02); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); H10K 2102/311 (2023.02);
Abstract
A compound having a structure of Formula I, useful as a phosphorescent emitter in organic light emitting devices is disclosed. In Formula I, Arand Arare independently 5- or 6-membered aromatic rings; Xto Xare independently C or N; at least one of Xto Xis N; one of Zand Zis C, and the other one is N; when Zis N, Xis C; L, L, and Lare each linkers; at least one of Land Lis present; each of Rto R, R', and R″ are independently hydrogen or a substituent. Formulations, OLEDs, and consumer products containing the same are also disclosed.