A display device is provided. The display device includes a first substrate including a pixel-displaying region; a second substrate disposed opposite to the first substrate; a sealant disposed between the first substrate and the second substrate and disposed outside the pixel-displaying region; and a spacer wall disposed between the first substrate and the second substrate and disposed between the pixel-displaying region and the sealant, wherein a first side of the spacer wall is adjacent to the pixel-displaying region and a second side of the spacer wall is adjacent to the sealant, and a height of the first side is greater than a height of the second side.