Patent ID: 7799875
Filing Date: 2010-09-21
Classification: C07F,C08G,C09K,H01L,H05B,Y02E

Abstract:
1. A conjugated polymer or dendrimer comprising one or more units of formula (1) wherein Ar Ar Ar Ar Y is, identically or differently on each occurrence, H, F, Cl, or a carbon or hydrocarbon radical having up to 40 C atoms, wherein two radicals Y, or one radical Y and an adjacent radical R R R is, identically or differently on each occurrence, H or a straight-chain, branched or cyclic alkyl having up to 22 C atoms, wherein one or more non-adjacent CH R a is, identically or differently on each occurrence, 1, 2, or 3; b is, identically or differently on each occurrence, 1, 2, or 3; c is, identically or differently on each occurrence, 0 or 1.