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. 23, 2025
Filed:
Jun. 28, 2022
Universal Display Corporation, Ewing, NJ (US);
Geza Szigethy, Newtown, PA (US);
Joseph A. Macor, Morrisville, PA (US);
Neil Palmer, Frenchtown, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
The present disclosure provides a compound including a first ligand Lof Formula I, In Formula I, ring A is a 7 to 12-membered heterocyclic ring that is fused to ring B, which is a 5-membered or 6-membered heterocyclic ring; ring C is a 5- or 6-membered ring; n is 1 or 2; X is selected from B, N, Al, In, and Ga; each W is selected from NR, O, S, Se, SO, SO, BR, CRR', C═CRR′, SiRR′, PRR′, and GeRR′; each of Z, Z, and Zis independently C or N; at least one of Z, Z, and Zis N; each R, R′, R, R, and Ris hydrogen or general substituent; each of Kand Kis a direct bond, O, or S; Lis coordinated to a metal M. Formulations, OLEDs, and consumer products containing the compound are also disclosed.