A display device including a light emitting diode chip, including: a light emitting structure which includes a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers; a second electrode which is electrically connected to the second conductive semiconductor layer; an insulation unit which is disposed to cover a part of the top surface of the second electrode and side surfaces of the light emitting structure; and a second fixed part which covers the top surface of the insulation unit and is electrically connected to the second electrode, and at least a part of which extends to the side surfaces of the light emitting structure.