Patent ID: 9666804
Date: 2017-05-30
CPC Classifications: C08G,C08K,C08L,H01L,Y02E

Claim:
1. A copolymer comprising: an A unit represented by any one of the following Chemical Formulae 1 to 3; a B unit represented by the following Chemical Formula 4; and a C unit represented by the following Chemical Formula 5: wherein, in Chemical Formulae 1 to 5, w, x, y and z are each an integer of 0 to 2; X Y R and R′ are the same as or different from each other, and each independently selected from the group consisting of hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; an imide group; an amide group; a hydroxy group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkyl sulfoxide group; a substituted or unsubstituted aryl sulfoxide group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted aryl group; a substituted or unsubstituted fluorenyl group; a substituted or unsubstituted carbazole group; and a substituted or unsubstituted heteroring group including one or more of N, O and S atoms, or two adjacent substituents are bonded to each other to form a hydrocarbon ring or a heteroring; R R R