Patent ID: 8071974

Claim:
An organic thin film transistor, comprising: a gate electrode having a first thickness on a substrate, the first thickness being about equal to or more than 5000 â„«; an organic insulating layer on the gate electrode and the substrate, a portion of the organic insulating layer on the substrate having a second thickness about equal to or more than 9000 â„«, and a portion of the organic insulating layer on the gate electrode having a third thickness of about 2000 â„« to 5000 â„«, a ratio of the first to third thicknesses being greater than about 1; a semiconductor layer on the organic insulating layer; and source and drain electrodes on the organic insulating layer and contacting both side portions of the semiconductor layer, wherein a distance between inner sides of the source and drain electrodes is the same as a width of the gate electrode, wherein the organic insulating layer comprises photo acrylic having a dielectric constant of 2.6 to 4.