| 摘要 |
An advertisement board is provided to reduce the volume of auxiliary toll by securing an interior space sufficiently. A display unit is formed on one side of a frame having an external form, and an unmarked part is formed on the other side of a frame. A display unit is a part indicating advertising content to people, and the unmarked part comprises a printed circuit board and a power supply unit for operating the display unit. The display unit comprises a first and a second EL sheet(103), a first real image board(105), and advertisement sheets(107, 108). The power supply unit is electrically connected to the external power supply device. |
