Patent attributes
A display device including a main display and two sub-displays is provided. The main display has main display surface and a first frame area surrounding the main display surface. The two sub-displays are movably connected with the main display, wherein the two sub-displays are arranged side by side on the main display and cover the main display surface and the first frame area. Each of the sub-displays has a sub-display surface and a second frame area surrounding the sub-display surface. One side of each of the sub-display surfaces is exposed from the corresponding second frame area, and the two sides are aligned and attached together. After the two sub-displays are respectively moved relative to the main display along two opposite moving directions so as to separate the two sides from each other, the main display is exposed to the outside. An electronic device is also provided.