Patent ID: 8643005

Claim:
An organic fight emitting display device, comprising: a substrate having a first thin film transistor region, a second thin film transistor region and an organic fight emitting region, the second thin film transistor region located between the first thin film transistor region and the organic fight emitting region; a transparent electrode layer disposed on the substrate, and comprising a first electrode, a second electrode and a third electrode, the first electrode located above the first thin film transistor region, the second electrode located above the second thin film transistor region, the third electrode located above the organic fight emitting region and electrically connected with the second electrode; a source/drain layer disposed on the transparent electrode layer, and comprising a first drain and a second drain, the first drain located above the first thin film transistor region, the second drain located above the second thin film transistor region; an IGZO semiconductor layer disposed on the source/drain layer and the substrate, and comprising a first semiconductor and a second semiconductor, wherein the first semiconductor is located above the first thin film transistor region and directly in contact with the source/drain layer, and the second semiconductor is located above the second thin film transistor region and directly in contact with the source/drain layer; a first insulating layer disposed on the source/drain layer, the IGZO semiconductor layer and the substrate, and exposing the third electrode; a gate layer disposed on the first insulating layer, and comprising a first gate and a second gate, the first gate located above the first thin film transistor region, the second gate located above the second thin film transistor region, extended to above the first thin film transistor region and electrically connected with the first drain; a second insulating layer disposed on the first insulating layer and the gate layer, and exposing the third electrode; and an organic fight emitting diode disposed on the third electrode.