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. 18, 2025
Filed:
Aug. 17, 2021
Universal Display Corporation, Ewing, NJ (US);
Peter Wolohan, Princeton Junction, NJ (US);
Tyler Fleetham, Yardley, PA (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound of the following Formula I is provided. In Formula I, A is C, B, Si, Ge, or Sn; each of Xto Xis independently C or N; Zand Zare each independently B or N; when A is B, one of X, X, X, and Xis N, and the remainder are C; when A is C, at least one of Zand Zis B; each of Y, Y, Y, and Yis independently O, S, Se, NR, CRR', SiRR′, GeRR′, and SnRR′; one of both of Yand Yare present; one of both of Yand Yare present; each R, R′, R, R, R, R, R, and Ris independently hydrogen or a variety of substituents; and any two adjacent R, R′, R, R, R, R, R, and Rcan be joined or fused to form a ring. Devices, consumer products, and formulations including the compound are also disclosed.