Patent number: 9947872
Abstract: There is disclosed a compound having Formula I In Formula I: Ar1 and Ar3 are the same or different and are aryl groups; Ar2 and Ar4 are the same or different and are aryl groups; L is the same or different at each occurrence and can be H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; R1-R4 are the same or different and can be H, D, alkyl, alkoxy, aryl, aryloxy, silyl, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl; R5-R8 are the same or different and can be D, F, alkyl, aryl, alkoxy, aryloxy, silyl, crosslinkable groups, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, or deuterated silyl, where adjacent R5-R8 groups can be joined together to form an aromatic ring; a and b are the same or different and are an integer from 0-3; c and d are the same or different at each occurrence and are an integer from 0-4; m and q are the same or different and are an inte
Type:
Grant
Filed:
July 2, 2015
Date of Patent:
April 17, 2018
Assignee:
E I DU PONT DE NEMOURS AND COMPANY
Inventors:
Adam Fennimore, Nora Sabina Radu