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:
Aug. 04, 2026
Filed:
Jan. 06, 2022
Universal Display Corporation, Ewing, NJ (US);
Bin MA, Plainsboro, NJ (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Bert Alleyne, Newtown, PA (US);
Zhaoqun Zhou, Bedford, MA (US);
Yuxin Shen, Hong Kong, CN;
Lixia Zhang, Hong Kong, CN;
Ting-Chih Wang, Lawrenceville, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound having a structure of Formula I, provided. In Formula I, each of Rto Ris hydrogen or phenyl or a system consisting of two to ten phenyl groups connected to each other; at least two of Rto Rare not hydrogen; each of Rand Rare phenyl or a system consisting of two to ten phenyl groups connected to each other; X is O, S, or Se; and L is a direct bond or In the structure of L, m is an integer from 1 to 5, and Ris hydrogen, an aromatic or a heteroaromatic ring. Formulations, OLEDs, and consumer products containing the same are also provided.