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. 17, 2026
Filed:
Sep. 27, 2022
Universal Display Corporation, Ewing, NJ (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Elena Sheina, Langhorne, PA (US);
Wei-Chun Shih, Lawrenceville, NJ (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Jui-Yi Tsai, Newtown, PA (US);
Zhiqiang Ji, Chalfont, PA (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound having a structure of Formula I, is provided. In Formula I, each of moieties B, C, and D is a ring or multicyclic ring system; each of X, X, X, X, X, Y, Z, Z, Z, Z, and Zis C or N; each of K, K, and Kis a direct bond, O, or S; Land Lare independently direct bonds or bivalent linking groups; each R, R', R, R, R, and Ris independently hydrogen or a substituent; any two substituents may be joined or fused together to form a ring; and at least one pair of R, R, or Rare joined to form a 5-membered heterocyclic ring. Formulations, OLEDs, and consumer products containing the compound are also provided.