Abstract: Provided is a display device including a first substrate including an active region and a peripheral region, a circuit element layer on the first substrate and including insulating layers and a transistor, a display element layer on the circuit element layer and including a pixel-defining layer having an opening defined therein, a light-emitting element including a first electrode exposed by the opening, a second electrode, and a light-emitting layer disposed between the first and second electrodes, and a partition wall overlapping the peripheral region, a second substrate disposed on the display element layer, a sealing member overlapping the peripheral region and defining an inner space, and a filling member disposed in the inner space, wherein a recessed portion overlapping the peripheral region is defined in a rear surface of the second substrate facing the display element layer, and a part of the filling member is disposed in the recessed portion.