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:
Nov. 04, 2025
Filed:
Jan. 07, 2022
Universal Display Corporation, Ewing, NJ (US);
Tyler Fleetham, Newtown, PA (US);
Jui-Yi Tsai, Newtown, PA (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Wei-Chun Shih, Lawrenceville, NJ (US);
Suman Layek, Pennington, NJ (US);
Hsiao-Fan Chen, Lawrence Township, NJ (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
Compound of Formula I, is provided. In Formula I, rings A, B, C, and D are 5- or 6-membered rings; each of X-X, X-X, and Z-Zis C or N; each of L, L, and Lis selected from a direct bond or a divalent linker; each of a and b is 0 or 1; Y is O, S, Se, or NR; W is O, S, NR, C═R, or CRR; up to 1 of Zto Zis N; each R, R', R, R, R, R, R, R, and Ris hydrogen or a substituent. Formulations, OLEDs, and consumer products containing the same are also disclosed.