According to one embodiment, a display device includes a substrate, a conductive layer provided over a display area and extending to outside of the display area above the substrate, a plurality of lower electrodes provided in matrix in the display area above the conductive layer, a rib formed of an inorganic insulating material and including a plurality of apertures overlapping the lower electrodes, respectively, an organic layer provided on the lower electrodes in the apertures, and an upper electrode which is provided on the organic layer, is formed in a belt-like shape and is in contact with the conductive layer in both end portions located outside the display area.