A conventional floor-standing display device embeds a plurality of light emitting elements in a plate-like base wood, applies resin and cures it to form a display unit, and provides a control unit for controlling the display unit outside the display unit. Because there was a problem in the strength and ease of installation when receiving the weight of people and cars. According to the present invention, there is provided a flat plate base and base, which comprises a control unit of the present invention, a storage unit storing display information in advance, a display drive unit for driving a display unit, and a power supply unit. It has a counterbore installed on the table, and the display, a display drive unit, a storage unit, and a controller are installed in the space in the base and the counterbore, and the display has an opening I for making the display visible. It is integrally formed of a transparent sheet on which the frame and the display unit disposed on the outer frame are visible, and an upper plate having an opening II on the transparent sheet for making the display unit visible. [Selected figure] Figure 7
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