Patent ID: 7286101

Claim:
A method of displaying images on opposing sides of an image display screen with a single projector, the method comprising: emitting a projection light from the single projector to a first side of the image display screen; reflecting a first portion of the projection light to display a first image on the first side of the image display screen, the first image being visible only on the first side of the image display screen; transmitting a second portion of the projection light through the image display screen to display a second image on the second side of the image display screen, the second side being opposite the first side, the second image being visible only on the second side of the image display screen; and providing the first image with a first display content and the second image with a second display content, wherein the first side of the image display screen includes a plurality of reflective parts and the second side of the image display screen includes a plurality of transmissive parts, each of the reflective and transmissve parts being a narrow strip, the reflective parts and the transmissive parts being alternately disposed in parallel in one of a horizontal direction and a vertical direction, and wherein reflecting the first portion of the projection light includes directing the first portion of the projection light to the reflective parts and transmitting the second portion of the projection light includes directing the second portion of the projection light through the image display screen to the transmissive parts.