| 摘要 |
Provided is a display device capable of easily and interactively changing a spatial image only by touching or tapping a part of the case of the device or attached components thereof. This display device provides an image of an image I displayed on a display D arranged on one side of a panel-shaped image-forming optical element (micro mirror array M) as a two-dimensional spatial image (spatial image I') via the micro mirror array M at a spatial position with a distance from the other surface of the array M. The display device comprises: a control means provided on the display D; a detection means (vibration sensor 4 or the like) for detecting a physical change and outputting the physical change as a change in an applied voltage or a change in electrical resistance; a signal transmission means for connecting the control means and the detection means; and an image switching means for monitoring the voltage value or the current value output from the detection means and sequentially switching the image I displayed on the display D in a prescribed order when a change in voltage or current exceeds a prescribed value. |
