The present disclosure provides an array substrate, a method for manufacturing the same, and a display device relating to the technical field of the array substrate. The array substrate includes a base, a plurality of leads and a plurality of inclined supporting surfaces, wherein the inclined supporting surfaces are strip-like and are inclined relative to the base, and a length direction of each of the inclined supporting surfaces is parallel to the base; and at least a part of the leads are inclined leads, and at least a part of each of the inclined leads is arranged on the corresponding inclined supporting surface and extends in the length direction of the inclined supporting surface.