An array substrate and a display device are disclosed, the array substrate includes: a substrate; and a plurality of pixel units disposed on the substrate, each pixel unit including: a pixel electrode; a first common electrode disposed apart from the pixel electrode, an orthographic projection of the first common electrode on the substrate and an orthographic projection of the pixel electrode on the substrate at least partially overlap; and at least one second common electrode disposed in a layer in which the first common electrode is disposed, an orthographic projection of the second common electrode on the substrate and the orthographic projection of the pixel electrode on the substrate at least partially overlap; wherein the first common electrode and the second common electrodes are insulated from each other.