A display device having an open area and a non-open area surrounding the open area includes a pixel electrode and a common electrode disposed in the open area; a gate line disposed to extend in a first direction in the non-open area surrounding the open area and transmitting a gate signal to the pixel electrode; a data line disposed to extend in a second direction in the non-open area and transmitting a data signal to the pixel electrode; a plurality of sensing lines disposed in the non-open area and transmitting a common voltage or a touch scan signal to the common electrode; and a photo touch sensor disposed in the non-open area and electrically connected to one of the plurality of sensing lines.
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