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:
Apr. 21, 2026
Filed:
Feb. 17, 2022
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Jerald Feldman, Cherry Hill, NJ (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H10K 85/30 (2023.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
C07F 15/0086 (2013.01); H10K 85/346 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02);
Abstract
Disclosed is a compound including a ligand Lof Formula I, In Formula I, moiety B is a monocyclic or polycyclic ring structure comprising 5- and/or 6-membered rings; Y is selected from O, S, NR, and CRR'; Z is carbon or nitrogen; each R, R′, R, and Ris independently hydrogen or a substituent; Lis coordinated to a metal M; and any two adjacent R, R′, R, and Rcan be joined or fused together to form a ring. Formulations, organic light emitting diodes, and consumer products including the compound are also disclosed.