Patent ID: 7781763

Claim:
An organic thin film transistor, comprising: a substrate, a gate electrode, a gate insulation film, source/drain electrodes, an organic semiconductor layer, and a passivation layer including a composition further including a perfluoropolyether derivative, represented by Chemical Formula 1 or 2, a photosensitive polymer, and a photocuring agent; or a copolymer of the perfluoropolyether derivative and the photosensitive polymer, and the photocuring agent; A-CF 2 O(CF 2 CF 2 O) m (CF 2 O) n CF 2 -A Chemical Formula 1 CF 3 O(CF 2 CF 2 O) m (CF 2 O) n CF 2 -A Chemical Formula 2 wherein A is A′ or RA′, in which A′ is a functional group selected from the group consisting of COF, SiX 1 X 2 X 3 (where each of X 1 , X 2 and X 3 is independently an alkyl group of about 1 to about 10 carbon atoms, and one or more of X 1 , X 2 and X 3 are alkoxy groups of about 1 to about 10 carbon atoms, respectively), silanol, chlorosilane, carboxylic acid, alcohol, amine, phosphoric acid, and derivatives thereof, and R is a substituted or unsubstituted alkylene group of about 1 to about 30 carbon atoms, in which the substitution group is selected from the group consisting of a hydroxy group, an alkyl group of about 1 to about 10 carbon atoms, a hydroxyalkyl group, an amide group, a nitro group, an alkenyl group of about 2 to about 30 carbon atoms, an alkoxy group of about 1 to about 30 carbon atoms, and an alkoxyalkyl group of about 2 to about 30 carbon atoms; m is an integer of about 1 to about 50; and n is an integer of about 1 to about 50.