Provided is a display device including a display panel defining a folding area and a non-folding area and including a base layer, a circuit layer on the base layer, and a display element layer on the circuit layer, an input sensor below the display panel and defining a sensing area overlapping the non-folding area, and a light shielding layer between the display element layer and the input sensor, where the light shielding layer defines a plurality of holes in a first portion of the light shielding layer at the non-folding area, and a cut portion in a second portion of the light shielding layer at the folding area.