Active switch array substrate, manufacturing method therefor, and display panel using the same

An active switch array substrate, comprising:

• a substrate;
• a gate electrode, configured on the substrate;
• an insulation protection layer, configured on the gate electrode;
• a semiconductor active layer, configured on the gate electrode and the insulation protection layer;
• an active layer channel, formed on a dent surface layer above the middle of the semiconductor active layer, wherein the surface roughness of the dent surface layer is less than 10 nm;
• a source electrode, configured at one side of the semiconductor active layer and forming ohmic contact with the semiconductor active layer;
• a drain electrode, configured at the other side of the semiconductor active layer and forming ohmic contact with the semiconductor active layer;
• and
• a passivation layer, covering the semiconductor active layer, the source electrode, and the drain electrode.

A display panel, comprising:

• a color filter layer substrate;
• a liquid crystal unit;
• and
• an active switch array substrate, wherein the active switch array substrate comprises a semiconductor active layer, an active layer channel is formed on a dent surface layer above the middle of the semiconductor active layer, and the surface roughness of the dent surface layer is less than 10 nm.