In an exemplary display device of the present invention, a first microcavity filled with liquid crystal molecules is disposed on a substrate. A roof layer is disposed on an upper side and two facing first sides of the first microcavity. The two facing first sides are arranged in a first direction. A support member is disposed on one of two facing second sides of the first microcavity. The two facing second sides are arranged in a second direction crossing the first direction. An overcoat is disposed on the roof layer and the other of the two facing second sides of the first microcavity. The support member having a column shape is connected to the roof layer.