A display device includes: a substrate including a first display area and a second display area; a plurality of first pixel circuit units positioned on the first display area; a plurality of first light-emitting elements respectively connected to the plurality of first pixel circuit unit; a plurality of second pixel circuit units positioned on the second display area; a plurality of second light-emitting elements respectively connected to the plurality of second pixel circuit units; and a driving circuit unit connected to the plurality of first pixel circuit units and the plurality of second pixel circuit units and overlapping the plurality of second light-emitting elements, wherein a number of the plurality of first pixel circuit units per unit area is larger than a number of the plurality of second pixel circuit units per unit area.