A display device is disclosed. The display device includes a first display substrate, an opposite substrate, and a sealing material forming a sealed area including a display area, where the sealing material is disposed between the first display substrate and the opposite substrate. The first display substrate includes a substrate and a flexible thin film, where the flexible thin film includes a first area entirely covering the display area, and a second area beyond the substrate. In addition, a first circuit is disposed on the first area, and a second circuit is disposed on the second area.