Patent ID: 7125124

Claim:
A projection system, comprising: a light source, which emits a light beam; an image unit, which receives the light beam from the light source and produces an image light; a projection unit, which is provided on the route of the image light to receive the image light produced by the image unit and to project the received image light out; a light-reflecting unit, which is provided on the route of the image light and has a reflecting layer and a plurality of light-pervious reflecting layers to receive the image light projected by the projection unit, each of the light-pervious reflecting layers reflecting part of the received image light to form a first image light and the reflecting layer reflecting totally the received image light to form a second image light; and a screen, which is installed on the route of the first image light and the second image light to form a first image and a second image on the screen, respectively, wherein there is a displacement between the first image and the second image.