Patent ID: 7807994

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 that is N,N′-bis[2-methyl-phenyl]-naphthalene-1,4,5,8 tetracarboxylic acid diimide, N,N′-bis[3-methyl-phenyl]-naphthalene-1,4,5,8 tetracarboxylic acid diimide, or N,N′-bis[4-methyl-phenyl]-naphthalene-1,4,5,8-tetracarboxylic acid diimide or N,N′-bis[3-methyl-phenylmethyl]-naphthalene-1,4,5,8-tetracarboxylic acid diimide or N-(2-methyl-phenyl), N′-(3-methyl-phenyl)-naphthalene-1,4,5,8-tetracarboxylic acid diimide or N-(4-methyl-phenyl), N′-(3-methyl-phenyl)-naphthalene-1,4,5,8-tetracarboxylic acid diimide.