Patent ID: 7495251

Claim:
An electronic device comprising an acene-thiophene copolymer of Formula I wherein Ac is a radical of an acene having 2 to 5 fused benzene rings, wherein Ac can be optionally substituted with a substituent selected from an alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, alkenyl, or combinations thereof; R a is each independently selected from hydrogen, alkyl, alkoxy, alkenyl, aryl, heteroaryl, aralkyl, heteroaralkyl, heteroalkyl, or hydroxyalkyl; Q is a divalent group of Formula II, III, IV, or V; R1 and R2 are each independently selected from hydrogen, alkyl, alkoxy, thioalkyl, aryl, aralkyl, halo, haloalkyl, hydroxyalkyl, heteroalkyl, or alkenyl; and n is an integer greater than or equal to 4.