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:
Jun. 10, 2025
Filed:
Nov. 29, 2023
Universal Display Corporation, Ewing, NJ (US);
Zhiqiang Ji, Chalfont, PA (US);
Jui-Yi Tsai, Newtown, PA (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Chun Lin, Yardley, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound including a first ligand Lof is disclosed. In the structure of Formula I, one of Land Lis C, and the other is N; Yto Yare each C or N; at least two adjacent Y, Y, Y, and Yare carbon atoms that are fused to a structure of Zand Zare each O, S, Se, NR, CRR', or SiRR′; and each R, R′, R, R, R, and Ris hydrogen or a substituent; and any two substituents may be joined or fused together to form a ring. In the compound, Lis complexed to a metal M by Land L, and M has an atomic weight greater than 40. Organic light emitting devices and consumer products containing the compounds are also disclosed.