DISPLAY DEVICE

A display device includes: a substrate defining a first through-hole of a first hole region; and a panel layer on the substrate, and defining a second through-hole that surrounds the first hole region in a plan view, the panel layer including: a base layer defining a groove surrounding a second hole region in a plan view, the second hole region overlapping with the second through-hole; an organic light emitting layer including a cut part overlapping with the groove, and having an edge defining a portion of the second through-hole; and an inorganic encapsulation layer on the organic light emitting layer, and covering the groove, the inorganic encapsulation layer having an edge defining a portion of the second through-hole.