| 摘要 |
A three-dimensional image display device is disclosed. In one embodiment, the device creates an effect of a three-dimensional image floating in the air by projecting a two-dimensional image to a free space in a form of a three-dimensional image. According to one embodiment of the invention, the device can be implemented with a minimal space in the structure of a conventional vending machine, comprising a minimal number of components and low-cost parts. It is possible to produce a large quantity of three-dimensional image display devices at a low cost. |
