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:
Dec. 29, 2020
Filed:
Jul. 23, 2019
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);
Abstract
A hole transport copolymer having the following Formula III is disclosed herein: In some embodiments, A is a monomeric unit having Formula Ia or Formula IIa, B is a B is a monomeric unit having at least three points of attachment in the copolymer, E is the same or different at each occurrence and is selected from the group consisting of H, D, halide, alkyl, aryl, arylamino, siloxane, crosslinkable groups, deuterated alkyl, deuterated aryl, deuterated arylamino, deuterated siloxane, and deuterated crosslinkable groups, and x, y, and z are the same or different and are mole fractions, such that x+y+z=1, and x and y are non-zero.