| 摘要 |
A recursive-reflection display device includes at least a surface protection layer, an information display layer, a recursive-reflection layer, and a back surface protection layer. A radio recognition device having a built-in radio method recognition integrated circuit is arranged in the layers or between the layers and a communication antenna is connected to the radio method recognition integrated circuit. An illumination device is arranged at the back of the recursive-reflection layer. The recursive-reflection layer is of recursive-reflection type for the light from a mark front surface and of light transmission type for the light from inside the mark.
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