A display device includes: a display panel including a display area including at least a partially curved surface area; a touch sensor overlapping the display area to acquire touch information on a touch of a user; a pressure sensor to sense a pressure of the touch; and a controller configured to perform user authentication by controlling the display panel, the touch sensor, and the pressure sensor, wherein the touch sensor includes a plurality of sensor pixels that senses a change in capacitance corresponding to the touch, wherein the pressure sensor includes: a first electrode; a second electrode spaced apart from the first electrode; and a pressure sensing element provided between the first electrode and the second electrode.