Lg Chem, Ltd

E.i. Dupont De Nemours and Company

Giang Dong Vo

Norman Herron

Weiying Gao

Michael Henry Howard, Jr

Weishi Wu

Ying Wang

Hjalti Skulason

Viacheslav V Diev

Kalindi Dogra

Troy C Gehret

Yunlong Zou

Jerald Feldman

Kerwin D Dobbs

Kyung-Ho Park

Charles D McLaren

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

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

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

There is provided a compound having Formula II In Formula II: Rand Rare the same of different and can be alkyl, branched alkyl, cyclic alkyl, silyl, aryl, deuterated alkyl, deuterated branched alkyl, deuterated cyclic alkyl, deuterated silyl, and deuterated aryl; Ris the same or different at each occurrence and can be D, alkyl, branched alkyl, cyclic alkyl, silyl, aryl, deuterated alkyl, deuterated branched alkyl, deuterated cyclic alkyl, deuterated silyl, and deuterated aryl; Rcan be H or D; and a is an integer from 0-5.

Blue luminescent compounds

There is provided a compound having Formula II In Formula II: R-Rare the same or different at each occurrence and can be D, alkyl, silyl, aryl, deuterated alkyl, deuterated silyl, or deuterated aryl; a and c are the same or different and are an integer from 0-5; and b and d are the same or different and are an integer from 0-4.

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Wilmington, DE, United States of America

Giang Dong Vo