Patent ID: 8039567

Claim:
An organic thin film transistor, comprising a substrate, a gate electrode, a gate insulating layer, an organic active layer, and source/drain electrodes, wherein the organic active layer is formed of an alternating copolymer of phenylene vinylene and biarylene vinylene, represented by Formula 1 below: wherein R 1 , R 2 , R 3 , and R 4 are each independently selected from a group consisting of hydrogen, a hydroxyl group, a C 1˜20 linear, branched or cyclic alkyl group, a C 1˜20 alkoxyalkyl group, and a C 1˜16 linear, branched or cyclic alkoxy group, X is selected from a group consisting of S, O, NH, N-methyl, and Se, and n is an integer from 4 to 200.