A display device is disclosed, which includes: a substrate; a display layer disposed on the substrate, wherein the display layer includes a plurality of display units, and two adjacent display units of the plurality of display units are arranged by a first pitch in a first direction; and a sensing layer disposed on the display layer, wherein the sensing layer includes a first region, a plurality of first sensing units are disposed in the first region, and two adjacent first sensing units of the plurality of first sensing units are arranged by a second pitch in the first direction, wherein the second pitch is less than the first pitch.