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:
Feb. 03, 2026
Filed:
Aug. 17, 2021
Universal Display Corporation, Ewing, NJ (US);
Zhiqiang Ji, Chalfont, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Tongxiang Lu, Lawrenceville, NJ (US);
Wei-Chun Shih, Lawrenceville, NJ (US);
Bert Alleyne, Newtown, PA (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound having a ligand Lof Formula I, is disclosed. In Formula I, ring B is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X is O, S, Se, NR, CRR', SiRR′, or GeRR′; Rand Rare each independently selected from a variety of substituents; each R, R′, R, and Ris independently hydrogen or a substituent; Lis coordinated to a metal M selected from Os, Ir, Pd, Pt, Cu, Ag, or Au by the dashed lines; any two adjacent of R, R, R, R′, R, or Rcan be joined or fused to form a ring, with the proviso that when ring B is a 6-membered ring, two Rsubstituents are not joined to form a fused 6-membered aromatic ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile