Patent ID: 10868060

Abstract:
A photoelectric detection substrate, a method for fabricating the same, and a photoelectric detection device are disclosed. The photoelectric detection substrate includes a thin film transistor and a photodiode coplanar with the thin film transistor. The thin film transistor has a vertical channel structure and includes a gate electrode, an active layer, a first electrode and a second electrode. The photodiode includes a first doped layer, an absorption layer and a second doped layer disposed in this order. The active layer and the absorption layer are disposed in a same layer and formed by a same patterning process. By forming a photodiode coplanar with a thin film transistor of a vertical channel structure, the overall thickness of the photoelectric detection substrate is effectively reduced, deformation of the substrate caused by stress is reduced, and damage caused by deformation of the substrate is avoided, and thereby the yield is improved.