Patent ID: 6151163
Filing Date: 2000-11-21
Classification: H04N

Abstract:
A screen for a projection-type video display apparatus, said screen comprising:a first light transmissive layer having first and second sides opposite one another;a Fresnel lens formed on said first side of said first light transmissive layer;a three-dimensional hologram affixed to said second side of said first light transmissive layer for controlling color shift of light received from said Fresnel lens through said first light transmissive layer;a second light transmissive layer affixed to said hologram on a side of said hologram opposite said Fresnel lens, said second light transmissive layer having a second side opposite said first side and forming an image viewing surface; and,said Fresnel lens, said first light transmissive layer, said hologram and said second light transmissive layer together forming a laminated screen, respective images projected onto said Fresnel lens of said screen being viewable as a composite image on said viewing surface.