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:
Sep. 30, 2025
Filed:
Mar. 04, 2022
Universal Display Corporation, Ewing, NJ (US);
Tyler Fleetham, Yardley, PA (US);
Joseph A. Macor, Morrisville, PA (US);
Neil Palmer, Frenchtown, NJ (US);
Elena Sheina, Langhorne, PA (US);
Mahesh Paudyal, Middletown, DE (US);
Muazzam Idris, Wilmington, DE (US);
Universal Display Corporation, Ewing, NJ (US);
Abstract
Provided are compounds having the structure of Formula I: wherein rings A, B, and D are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; X-Xare each independently C or N; Yis selected from the group consisting of a direct bond, O, S, Se, NR, SiRR', CRR′, and P(O)R; R, R′, R, R, R, and Reach independently represents mono to the maximum allowable substitution, or no substitution; each R, R′, R, R, R, and Ris independently a hydrogen or a substituent; and any two adjacent groups of R, R, R, and Rmay be joined or fused to form a ring Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.