A display device including a wide display region in which a seam is less likely to be noticed is provided. The display device includes two display panels that overlap with each other. An upper display panel includes a first display region and a region that transmits visible light. A lower display panel includes a second display region and a region that blocks visible light. The second display region overlaps with, on a display surface side, the region that transmits visible light. The region that blocks visible light overlaps with the first display region. At least part of an insulating layer included in the upper display panel is provided in the first display region and not provided in the region that transmits visible light.