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:
Jan. 16, 2018
Filed:
Nov. 05, 2015
Universal Display Corporation, Ewing, NJ (US);
Raymond Kwong, Fo Tan, KR;
Kit Yee Tsang, Shatin, KR;
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Abstract
Compounds having a structure according to Formula I, G-L-G, or Formula V, are described. In Formula I, Gand Gindependently have a structure of Formula II, In the structures of Formulae I, II, and V, Lconnects one of rings A1-A4 of Gto one of rings A1-A4 of G; Lis selected from a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO, SiRR', GeRR′, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; each ring A1, A2, A3, and A4, as well as R, R′R″, and Rto Rcan be hydrogen or a variety of substituents, including a fused ring between adjacent substituents; and at least two adjacent Rto Ron the same ring are Formulations and devices, such as an OLEDs, that include the compound of Formula I or V are also described.