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:
Oct. 03, 2017
Filed:
Mar. 16, 2015
Universal Display Corporation, Ewing, NJ (US);
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
A compound having the structure of Formula I is disclosed, where Ghas the structure and Ghas the structure In the structure of Formula I, Z is selected from Si and Ge; Xand Xare independently selected from the group consisting of O, S, and Se; the Y and Z atoms forming the six-membered rings in Formula I, G, and Gare each independently selected from C or N; each R, R, R, R, R, and Ris independently selected from a variety of substituents; at least one Ris L-A; at least one Ris L-A; Aand Aare each independently selected from carbazole, dibenzofuran, dibenzothiophene, dibenzoselenophene, triphenylene, and nitrogen-substituted variants thereof, which are optionally further substituted; and Land Lare each independently an organic linker. Formulations and devices, such as an OLEDs, that include the compound of Formula I are also described.