Reflection screen and front projection system

Details Reflection screen and front projection system Reflection screen and front projection system

1997-08-04

2000-02-08

Metjahic, Safet

Optical: systems and elements

Projection screen

359449, G03B 2156

Patent

active

060233699

ABSTRACT:
A reflection screen includes a light transmittable base portion and a reflecting portion. The reflecting portion is arranged on two rear side of the base portion and has a reflecting surface. Either the base portion or the reflecting portion has the shape of a Fresnel lens, which has an optical center located toward a light source from a geometrical center of the screen.

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