A display device includes a first display panel including a first base substrate, a second base substrate disposed on the first base substrate, and a first metal layer disposed on the first base substrate, and a second display panel including a third base substrate disposed on the same plane on which the first base substrate is disposed, a fourth base substrate disposed on the third base substrate and on the same plane on which the second base substrate is disposed, and a second metal layer disposed on the third base substrate, where the second display panel is disposed on one side of the first display panel, and the second base substrate and the third base substrate partially overlap each other when the first display panel and the second display panel are seen from a thickness direction thereof.