Patent ID: 6078423
Filing Date: 2000-06-20
Classification: G02B

Abstract:
A stereoscopic display device comprising:(a) means for generating a plurality of viewable images, each viewable image comprising a different perspective view of a common scene;(b) means for generating a plurality of viewing zones for viewing said viewable images, said viewing zones being so arranged such that in use each of a viewer's eyes sees different viewable images thereby enabling said viewer to enjoy a stereoscopic 3D image of said common scene; and(c) an optical element with positive optical power; wherein elements (a)-(c) are arranged and constructed such that said optical element forms a real image of said viewing zones and a virtual image of said viewable images whereby each virtual image is visible to said viewer only where a light ray can be traced from said viewer's eye through said real image of an associated viewing zone, said optical element and said viewable image, and wherein said means for generating a plurality of viewable images comprises image bearing means which lies between said optical element and the back focal point of said optical element.