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:
Apr. 29, 2025
Filed:
Aug. 23, 2021
Universal Display Corporation, Ewing, NJ (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Jason Brooks, Philadelphia, PA (US);
Morgan C. Macinnis, Yardley, PA (US);
Noah Horwitz, Ewing, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound of Formula I is disclosed. In the structure of Formula I, ring A and ring B are 5- or 6-membered rings; L, L, L, and Z are each linking groups; a, b, and c are each 0 or 1, and a+b+c=2 or 3; K, K, K, and Kare each a direct bond, O, or S; Zto Zand Xto Xare each C or N; W is a linking group comprising 3 to 5 linking atoms, which can be further substituted; M is Pd or Pt; each R, R, R, R, R, R, and R' is selected from H or a variety of substituents, and can be joined to another substituent for form a ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.