Floating image display device and assemblable floating image display array

An assemblable floating image display array, comprising a plurality of floating image display devices, wherein each of the plurality of floating image display devices comprises:

• a floating image display module having a first upper assembling surface and a first lower assembling surface oppositely disposed, and comprising a first pin located on the first lower assembling surface, and the floating image display module configured to form a floating image;
• and
• a signal processing module having a second upper assembling surface and a second lower assembling surface oppositely disposed, and a lateral assembling surface, and comprising a plurality of second pins located on the second upper assembling surface and at least one lateral pin located on the lateral assembling surface, wherein one of the plurality of second pins is detachably connected to the first pin, and the signal processing module is configured to identify the floating image display module according to a position of the first pin corresponding to the plurality of second pins, and transmit a display signal associated with the floating image to the floating image display module through the first pin,
• wherein each of the plurality of floating image display devices is laterally connected to each other through the at least one lateral pin.