A display device that can improve transmittance of a sensor area that overlaps a display area includes a substrate that includes a display area in which a plurality of pixels are disposed, a sensor area in the display area, the sensor area overlapping a sensor, and a wiring connection area between the display area and the sensor area; a first wiring and a second wiring disposed in the display area and that extend in a first direction and are connected to the plurality of pixels; and a third wiring disposed in the sensor area and that extends in the first direction, wherein the third wiring is connected to the second wiring and overlaps the first wiring in a plan view. The third wiring is spaced apart from the first wiring with a first insulating layer interposed therebetween.