| 摘要 |
A portable display device comprises: a rectangular case including an electric unit therein; a battery arranged in a first area of the electric unit; and a main substrate arranged in a second area and not overlapped with the battery. According to the present invention, the first area is L-shaped. The battery comprises: a rectangular-shaped first battery of which a long side is arranged side by side with a short side of the case; a rectangular-shaped second battery of which a long side arranged side by side with a long side of the case. The portable display device is able to use a common battery, thereby reducing manufacturing costs, and battery capacity may be enhanced without increasing a size of a display device. |
