E.i. Dupont De Nemours and Company

Lg Chem, Ltd

Dupont Electronics, Inc.

E. I. Du Pont Nemours and Co.

Weiying Gao

Norman Herron

Weishi Wu

Michael Henry Howard, Jr

Nora Sabina Radu

Vsevolod Rostovtsev

Adam Fennimore

Jeffrey A Merlo

Daniel David Lecloux

Eric Maurice Smith

Kerwin D Dobbs

Viacheslav V Diev

Kalindi Dogra

Yulong Shen

Ying Wang

Gene M Rossi

Mark A Guidry

Hong Meng

Jerald Feldman

Michael R Moseley

Giang Dong Vo

Juergen Weber

Che-Hsiung Hsu

Reid John Chesterfield

Hjalti Skulason

Frederick P Gentry

Charles D McLaren

John D Allen

Yunlong Zou

Kostantinos Kourtakis

Shiva Prakash

Gary A Johansson

Mark Allan Lamontia

Kyung-Ho Park

Chi Zhang

Ross Stefan Johnson

Leopoldo Alejandro Carbajal

Siddhartha Shenoy

Mobin Yahyazadehfar

Christina M Older

Aref Samadidooki

Dean T Deibler

John David Allen

Samuel R Diamond

There is provided a compound having Formula I: In the formula: NpHet is a naphthalene core having at least one fused 5-membered heteroaromatic ring, where the heteroaromatic ring has one heteroatom which is O, S, Se, or Te; Ar-Arare the same or different and are a hydrocarbon aryl group, a heteroaryl group, or a deuterated analog thereof; a and b are the same or different and are 0 or 1; m and n are the same or different and are 0 or 1; with the proviso that a, b, m, and n are not all 0.

Electroactive compounds

Provided herein are a fused polycyclic compound, and an electronic device having at least one organic layer comprising the fused polycyclic compound as an electroactive compound.

Electroactive materials

There is provided a compound having Formula I, Formula II, or Formula III. The variables are described in detail herein.

There is disclosed a compound Formula I In Formula I:

There is disclosed a compound having Formula I  In Formula, I: Aris selected from the group consisting of dibenzofuran, dibenzothiophene, or deuterated analogs thereof; Arand Arare the same or different and are hydrocarbon aryl, substituted derivatives thereof, or deuterated analogs thereof, with the proviso that Arand Arare not the same as Ar; a is 0; and Ar, Ar, and Arhave no additional amino substituents.

In a first aspect, a multilayer polymer film includes a first polymer layer having a first elastic modulus and a second polymer layer having a second elastic modulus. The first polymer layer includes a polyimide, a polyamide imide, a block copolymer of a polyimide or a polyamide imide or a mixture thereof. The second polymer layer includes a polyimide, a polyamide imide, a block copolymer of a polyimide or a polyamide imide or a mixture thereof. The first elastic modulus is different from the second elastic modulus. The first and second polymer layers are bonded by consolidation. In a second aspect, a cover window for a display includes a hard coat layer and the multilayer polymer film of the first aspect. The first polymer layer of the multilayer polymer film is the layer farthest from the display and is adhered to the hard coat layer.

Multilayer polymer film

There is provided a compound having Formula (I), Formula (II), or Formula (III). The variables are described in detail herein. 

There is disclosed an electroactive composition including (a) a host compound having Formula I and (b) a photoactive dopant. In Formula I: Ris the same or different at each occurrence and is D, alkyl, silyl, germyl, deuterated alkyl, deuterated silyl, or deuterated germyl; a is an integer from 0-7; b is an integer from 0-8; c is an integer from 0-4; and d is an integer from 0-7.

There is provided a compound having Formula I In Formula I: Arand Arare the same or different and are aryl, heteroaryl, or deuterated analogs thereof; Land Lare the same or different and are H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; R-Rare the same or different at each occurrence and are D, F, CN, hydrocarbon aryl, heteroaryl, aryloxy, fluoroaryl, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, amino, silyl, siloxane, siloxy, germyl, deuterated hydrocarbon aryl, deuterated heteroaryl, deuterated aryloxy, deuterated fluoroaryl, deuterated alkyl, deuterated fluoroalkyl, deuterated alkoxy, deuterated fluoroalkoxy, deuterated amino, deuterated silyl, deuterated siloxane, deuterated siloxy, or deuterated germyl, wherein adjacent groups selected from R-Rcan be joined together to form a fused ring; a is 0 or 1; b is 0 or 1; x and x1 are the same or different and are an integer from 0-5; y and y1 are the same or different and are an integer from 0-4; n is an integer greater than 0, with the proviso that when n=1, Land Lare selected from Cl, Br, crosslinkable groups and deuterated crosslinkable groups; and BzF is benzofluorene.

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 In Formula I: BCz is a substituted or unsubstituted benzocarbazole unit; Land Lare the same or different and are H, D, halogen, aryl, arylamino, crosslinkable groups, deuterated aryl, deuterated arylamino, or deuterated crosslinkable groups; Qand Qare the same or different and are a single bond, alkyl, aryl, heteroaryl, diarylamino, triarylamino, deuterated alkyl, deuterated aryl, deuterated heteroaryl, deuterated diarylamino, or deuterated triarylamino; and n is an integer greater than 0, with the proviso that when n=1, Land Lare Cl, Br, crosslinkable groups or deuterated crosslinkable groups.

There is disclosed a photoactive composition; and there is also disclosed an organic electronic device comprising a first electrical contact, a second electrical contact and a photoactive layer therebetween, the photoactive layer comprising the photoactive composition.

Photoactive composition

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 disclosed a compound having Formula I, Formula II, Formula III, Formula VIII, Formula IX, or Formula X The variables are described in detail in the application.

There is provided a compound having Formula I. In Formula I: R-Rare the same or different and are H, D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where no more than two R-Rare biphenyl and where at least two of R-Rhave Formula II. In Formula II: Ar is phenyl, naphthyl, heteroaryl, spirofluorenyl, or a deuterated analog thereof; Ris the same or different at each occurrence and is D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl, where adjacent Rgroups can join to form a fused aromatic ring or fused deuterated aromatic ring; m is an integer form 0-4; n is an integer from 1-5; and the asterisk represents a point of attachment. 

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Landenberg, PA, United States of America

Weiying Gao