An array substrate includes: a signal supply unit configured to supply a signal; a plurality of position detection electrodes; a plurality of position detection wiring line; a plurality of scanning wiring lines; a plurality of pixel regions; a scanning connection wiring line having one end side connected to the signal supply unit and another end side connected to the scanning wiring lines, the scanning connection wiring line being arranged passing through some of the pixel regions included in the plurality of pixel regions; and an auxiliary position detection wiring line having at least one end side and another end side each connected to the position detection wiring lines, the auxiliary position detection wiring line being disposed in the pixel regions, of the plurality of pixel regions, not provided with the scanning wiring lines.