Three-dimensional projection display apparatus

Optical: systems and elements – Stereoscopic

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Details

359463, 359623, 348 54, 348 59, G02B 2722, H04N 1300

Patent

active

057037175

ABSTRACT:
A 3D projection display comprises an autostereoscopic image producing unit which directs light beams corresponding to respective 2D views in different directions towards a projection lens. The projection lens co-operates with the image producing unit to image the light beams at respective different regions in the aperture of the projection lens. A light-transmissive screen co-operates with the image producing unit and the projection lens to image the views at the screen. The screen may comprise a Fresnel lens, or where a magnified image of increased angular spread is required, a double lenticular screen angular amplifier.

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