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. 08, 2019
Filed:
Nov. 18, 2015
Lg Chem, Ltd., Seoul, KR;
Nora Sabina Radu, Landenberg, PA (US);
Kerwin D. Dobbs, Wilmington, DE (US);
Adam Fennimore, Wilmington, DE (US);
Weiying Gao, Landenberg, PA (US);
Gene M. Rossi, Wilmington, DE (US);
Juergen Weber, Lincoln University, PA (US);
LG Chem, Ltd., , KR;
Abstract
There is provided a hole transport polymer having a carbazole group and an amino nitrogen having Formula I In the formula: Ar, Ar, and Arare the same or different and are substituted or unsubstituted aryl groups or deuterated aryl groups; Aris substituted or unsubstituted aryl groups or deuterated aryl groups; E is the same or different at each occurrence and is selected from the group consisting of H, D, halide, alkyl, aryl, siloxane, deuterated alkyl, deuterated aryl, deuterated siloxane, and a crosslinking group; R-Rare the same or different at each occurrence and are selected from the group consisting of D, F, CN, alkyl, fluoroalkyl, aryl, heteroaryl, amino, silyl, germyl, alkoxy, aryloxy, fluoroalkoxy, siloxane, siloxy, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated aryl, deuterated heteroaryl, deuterated amino, deuterated silyl, deuterated germyl, deuterated alkoxy, deuterated aryloxy, deuterated fluoroalkoxy, deuterated siloxane, deuterated siloxy, and crosslinking groups, wherein adjacent groups selected from Rand Rcan be joined together to form a fused ring; a is an integer from 0-4; b is an integer from 0-3; and n is an integer greater than or equal to 1.