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:
Jul. 21, 2026
Filed:
Mar. 29, 2022
Universal Display Corporation, Ewing, NJ (US);
Elena Sheina, Langhorne, PA (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
George Fitzgerald, Lambertville, NJ (US);
Jui-Yi Tsai, Newtown, PA (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Geza Szigethy, Newtown, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound including a tetradentate ligand, L, is provided. In the compound, Lis coordinated to a metal M selected from Pt, Pd, Cu, Ag, and Au; Lcomprises a first moiety and a second moiety that are different form each other and are independently coordinated to the metal M; the first moiety is a heterocyclic carbene, that is coordinated to the metal M through a metal-carbene bond, while the second moiety is a 5-membered heterocycle; and the ligand Lforms at least one M-O or M-S bond. Formulations, OLEDs, and consumer products containing the compound are also provided.