Video projection holographic screen, system and method

Details Video projection holographic screen, system and method Video projection holographic screen, system and method

H - Electricity

04

N

H04N 5/74 (2006.01) G03B 21/60 (2006.01) H04N 5/89 (2006.01) H04N 9/31 (2006.01) H04N 13/04 (2006.01)

Patent

CA 2279310

A laser projection video system and a holographic screen. The system includes a pulsed laser video image system with a holographic screen to receive the full color video image, which screen has a holographic layer (layer 1) to reflect back the full color video image to the viewer and to transmit through the screen the ambient light to provide high video picture contrast.

L'invention concerne un système vidéo de projection par laser et un écran holographique. Le système comporte un système d'images vidéo à laser pulsé équipé d'un écran holographique pour recevoir les images vidéo en couleurs, l'écran étant doté d'une couche holographique (couche 1) destinée à réfléter en retour les images vidéo en couleurs vers le spectateur, et à transmettre à travers l'écran la lumière ambiante en vue de produire des images vidéo à grand contraste.

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