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:
Nov. 18, 2025
Filed:
Apr. 26, 2022
Universal Display Corporation, Ewing, NJ (US);
Zhiqiang Ji, Chalfont, PA (US);
Derek Ian Wozniak, Bensalem, PA (US);
Wei-Chun Shih, Lawrenceville, NJ (US);
Ting-Chih Wang, Lawrenceville, NJ (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
James Fiordeliso, Yardley, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
Provided is a compound including a first ligand Lof Formula I In Formula I, ring C is a 5- or 6-membered ring; each of Xto Xis C or N; one of Xto Xis C and is connected to ring C, and one of Xto Xis N and is coordinated to a metal M; Y is a divalent linker; K is a direct bond, O, or S; each R', R″, R, R, and Ris hydrogen or a general substituent; at least one of Ror Rcomprises an electron-withdrawing group; at least one of Ris a cyclic group; and metal M is selected from Os, Ir, Pd, Pt, Cu, Ag, and Au. Formulations, devices, and consumer products comprising the compound are also disclosed.