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:
Oct. 25, 2022
Filed:
Nov. 19, 2020
Universal Display Corporation, Ewing, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Bert Alleyne, Newtown, PA (US);
Raymond C. Kwong, Fo Tan, HK;
James Fiordeliso, Yardley, PA (US);
Michael S. Weaver, Princeton, NJ (US);
Nasrin Ansari, Princeton, NJ (US);
Alan DeAngelis, Pennington, NJ (US);
Dinesh Rayabarapu, Overland Park, KS (US);
Vadim Adamovich, Yardley, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound of: is disclosed. In Formula IV, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sphybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L' is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.