The present disclosure provides in some embodiments an array substrate, a method for manufacturing the same, and a display device. The array substrate includes a base substrate, an insulating layer, a via hole and a first blockage pattern; wherein the insulating layer is arranged on the base substrate, the via hole runs through the insulating layer; and an orthographic projection of the first blockage pattern on the base substrate partially or entirely covers an orthographic projection of the via hole on the base substrate.