Exemplary embodiments of the present invention provide a display device including a plurality of sensing unit groups consisting of a plurality of sensing units and arranged in a matrix form. The display device further includes a plurality of gate lines connected to the plurality of sensing units included in a first sensing unit group, at least one sensing signal line connected to the plurality of sensing units, a scan driver transmitting gate signals to the gate lines, and a sensing signal processor processing a sensing signal transmitted by the sensing signal line. The gate lines transmit the gate signals according to different gate clock signals.