According to one embodiment, a display device includes a lens element having a plurality of lenses, a barrier element comprising a liquid crystal layer and a display panel, and the lens element is provided between the display panel and the barrier element, the barrier element comprises a first substrate, a second substrate, the liquid crystal layer is provided between the first substrate and the second substrate. The first substrate includes a plurality of first electrodes, an insulating layer covering the first electrodes, and a plurality of second electrodes provided on the insulating layer, and the second substrate includes a third electrode.