Importance

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Abstract

A head mounted display for use in virtual reality applications and typically in the form of a slim visor is provided with binocular magnifying optics which permit the binocular viewing of an image displayed by a single miniature LCD video screen magnified at infinity focus at left and right exit pupils. A vertically offset beamsplitter is provided having two elements being substantially mutually perpendicular planar semi-reflecting mirrors disposed respectively above or below the horizontal optical axis of the LCD. A single image viewed from the LCD passes through the semi-reflecting mirrors to be reflected off a concave mirror. One reflection part of the image is reflected off one of the elements and then by a right hand fold mirror towards the right hand exit pupil. Another part of the image is similarly reflected off another of the elements and left hand fold mirror towards the left hand exit pupil. Magnification and/or optical correction of the images viewable at eyepoints can be effected by a respective one of lens arrays.

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First Claim