Patent ID: 6380994
Filing Date: 2002-04-30
Classification: G02F

Abstract:
A display device comprising:at least two image modulators; two arrays of convergently transmissive elements, one said array receiving light from one said image modulator and another said array receiving light from another said image modulator, for forming an erect and real image; at least two fresnel lenses, each said fresnel lens including a body having a flat surface and a configured surface with periodic ridges, each said fresnel lens being arranged so that light is made incident from a selected one of said two arrays of convergently transmissive elements to the configured surface of a corresponding one of said two fresnel lenses; a screen receiving light from said two image modulators via said two arrays of convergently transmissive elements and said two fresnel lenses; and a partition arranged on the screen between adjacent ones of said first and second image modulators, between said two arrays of convergently transmissive elements and between said two fresnel lenses, said partition preventing light from straying from one set into the adjacent set.