The invention provides an array substrate. The array substrate has a display area and a non-display area surrounding the display area, and the display area is provided with gate lines and data lines; the array substrate further includes a fan-out area, at least one signal line and at least one binding terminal, wherein the fan-out area is arranged in the non-display area, the signal lines extend in the first direction, the first direction points to the fan-out area from the display area, the binding terminals are used for binding a drive circuit, the first terminal of each binding terminal is electrically connected with the corresponding signal line, and the second terminals of binding terminals are electrically connected with test terminals through first leading wires; the signal lines or the first leading wires are arranged among the binding terminals, the signal lines or the first leading wires in a region among the binding terminals are covered with a layer of covering electrodes, and the covering electrodes are electrically insulated with the signal lines or the first leading wires.