Organic thin film transistor array substrate and method of producing the same

A liquid crystal display including an organic thin film transistor array substrate, comprising an organic thin film transistor array substrate, a filter substrate and liquid crystal between the organic thin film transistor array substrate and the filter substrate, wherein the organic thin film transistor array substrate comprises:

• a substrate having an LCD area and an organic thin film transistor (OTFT) area;
• a pixel electrode, formed on the substrate in the LCD area;
• a first alignment film, formed on the pixel electrode;
• a second alignment film, formed on the substrate in the OTFT area;
• an organic semiconductor layer, formed on the second alignment film, wherein the organic semiconductor layer is aligned along the direction of the second alignment film;
• and
• a gate, a source and a drain, formed in the OTFT area, wherein the source and the drain are in contact with the organic semiconductor layer, and a channel is formed between the source and the drain.