| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection unit that can project a video projected by a projector 10 on a normal glass.SOLUTION: A projection unit 100 of the present invention is a projection unit 100 that is used by being attached to a projector 10 projecting videos and reflects a video projected by the projector 10 on a glass to display the video, and has a first principal surface 51 and a second principal surface 52 opposite to the first principal surface 51, where the first principal surface 51 has a micro lens array 57 comprising a plurality of unit micro lenses provided thereon. The projection unit 100 further comprises an intermediate image screen 50 in which the video projected by the projector is formed on the micro lens array, and projection optical systems (81 and 82) that project the intermediate image screen 50 on the glass.SELECTED DRAWING: Figure 1 |
