Patent ID: 7629605

Claim:
An article comprising, in a thin film transistor that is a field effect transistor comprising a dielectric layer, a gate electrode, and a source electrode and a drain electrode, a thin film of organic semiconductor material that comprises a N,N′-diaryl-substituted-1,4,5,8-naphthalene tetracarboxylic acid diimide compound represented by the following structure: wherein R 1 , R 3 , R 4 , R 5 , R 6 , R 8 , R 9 , R 10 are each H, and at least one of R 2 and R 7 is an alkyl group and the other of R 2 and R 7 is H or an unsubstituted alkyl group, or R 2 , R 3 , R 4 , R 5 , R 7 , R 8 ,R 9 , and R 10 are each H, and at least one of R 1 and R 6 is an alkyl group and the other of R 1 and R 6 is H or an unsubstituted alkyl group, Y is an alkyl, alkenyl, alkoxy, halogen, cyano, aryl, or arylalkyl group, and m is 0 to 4.