Patent ID: 7667230

Claim:
An electronic device comprising a copolymer of Formula I wherein Ac is a radical of an acene having 3 to 5 fused aromatic rings, wherein Ac is unsubstituted or substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or a combination thereof; Q is a divalent group of Formula II R1 and R2 are independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof; at least one of R1, R2, or the substituent of Ac has at least 4 carbon atoms; and n is an integer equal to at least 4.