Patent ID: 7928433
Filing Date: 2011-04-19
Classification: C08G,C08L,H01L

Abstract:
1. An electronic device comprising a semiconducting layer, wherein the semiconducting layer comprises a semiconducting polymer of Formula (I): wherein X is independently selected from S, Se, O, and NR, wherein R is independently selected from hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, and —CN; a is an integer from 1 to about 10; n is an integer from 2 to about 5,000; and each Ar is a conjugated divalent moiety selected from: and combinations thereof, wherein R′ is independently selected from hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, or —CN; and the divalent moiety may be substituted peripherally with alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, halogen, —CN, or —NO