According to one embodiment, a display device including a first substrate including a first insulating film and a second insulating film that includes a band-shaped first thick film portion, an island-shaped second thick film portion, a first contact hole penetrating the first thick film portion, and a second contact hole penetrating the second thick film portion, a first thickness of the first thick film portion and a second thickness of the second thick film portion are larger than a film thickness of the second insulating film between the first and second thick film portions, and a second substrate comprises a spacer overlapping the first thick film portion.