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:
Mar. 11, 2025
Filed:
Aug. 24, 2020
Universal Display Corporation, Ewing, NJ (US);
Jui-Yi Tsai, Newtown, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Jerald Feldman, Cherry Hill, NJ (US);
Zhiqiang Ji, Chalfont, PA (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Tyler Fleetham, Newtown, PA (US);
Sean Michael Ryno, Yardley, PA (US);
Rasha Hamze, Philadelphia, PA (US);
Morgan C. Macinnis, Yardley, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
Provided is a new composition of matter for phosphorescent emitters containing a chelating ligand comprised of a fused heterocyclic structure containing boron. The disclosed ligands form two bonds to the metal forming a 6-membered chelate and can be further substituted to form tridentate or tetradentate ligands.