According to embodiments of the present invention, there are provided an organic semiconductor array substrate, a method for manufacturing the same and a display device. The organic thin film transistor array substrate comprises a pixel structure formed on a transparent substrate; the pixel structure includes: a gate line, a data line, an organic thin film transistor, a pixel electrode, a common electrode line and a common electrode; the organic thin film transistor includes a gate electrode, a gate insulating layer, an organic semiconductor layer, a source electrode and a drain electrode; above the data line, the source electrode, the drain electrode and the pixel electrode, there are disposed in order a first bank insulating layer and a second bank insulating layer from bottom to top; and at openings and through holes of the first bank insulating layer and the second bank insulating layer, the pixel structure is formed by printing.