Lg Chem, Ltd

E.i. Dupont De Nemours and Company

Juergen Weber

Nora Sabina Radu

Weiying Gao

Adam Fennimore

Gene M Rossi

Kerwin D Dobbs

Kalindi Dogra

Norman Herron

Michael Henry Howard, Jr

Weishi Wu

Mark A Guidry

Arjan Zoombelt

Tiffany N Hoerter

Phillip Sharrow

Samuel R Diamond

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.

Hole transport materials

There is provided a compound having Formula I, Formula II, Formula III, Formula IV, Formula V, or Formula VI: 

Blue luminescent compounds

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.

There is provided a copolymer having Formula I In Formula I: A is a monomeric unit containing at least one triarylamine group; B' is a monomeric unit having at least three points of attachment in the copolymer; C&#x2032; is an aromatic monomeric unit or a deuterated analog thereof; E is the same or different at each occurrence and can be H, D, halide, alkyl, silyl, germyl, aryl, arylamino, siloxane, a crosslinkable group, deuterated alkyl, deuterated silyl, deuterated germyl, deuterated aryl, deuterated arylamino, deuterated siloxane, or a deuterated crosslinkable group; a, b, and c are the same or different and are mole fractions, such that a+b+c=1, and a and b are non-zero.

There is provided a compound having Formula I: In the formula: R, R, R, and Rare the same or different and are H, D, F, CN, alkyl, fluoroalkyl, aryl, heteroaryl, silyl, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated aryl, deuterated heteroaryl, deuterated silyl, alkoxy, aryloxy, fluoroalkoxy, siloxane, siloxy, deuteroalkoxy, deuteroaryloxy, deuterofluoroalkoxy, deuterosiloxane, or deuterosiloxy, with the proviso that at least one of Rand Ris heteroaryl or deuterated heteroaryl; R, R, R, R, R, and Rare the same or different at each occurrence and are D, F, CN, alkyl, fluoroalkyl, aryl, heteroaryl, silyl, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated aryl, deuterated heteroaryl, deuterated silyl, alkoxy, aryloxy, fluoroalkoxy, siloxane, siloxy, deuteroalkoxy, deuteroaryloxy, deuterofluoroalkoxy, deuterosiloxane, or deuterosiloxy, where adjacent groups selected from R, R, R, and Rcan be joined together to form a fused ring; Ris the same or different at each occurrence and is alkyl, aryl, or deuterated analogs thereof, where two alkyl Rgroups can be joined together to make a cycloalkyl spiro ring, and where two Rphenyl groups can be joined to form a spiro fluorene group; a and b are the same or different and are 0 or 1, with the proviso that a+b&#x2267;1; x is an integer of 0-3; y is an integer of 0-4; and z is an integer of 0-5.

Growing community of inventors

Lincoln University, PA, United States of America

Juergen Weber