PROJECTION DISPLAY SYSTEM

摘要

In one embodiment, a projection screen includes a diffuse reflecting polariz er that diffusively reflects light polarized in a first direction and transmits light polarized in a second direction. The projection screen may also includ e a second polarizer adjacent a back side of the diffuse reflecting polarizer, wherein the second polarizer is oriented to transmit light polarized in the second direction. The projection screen may appear substantially diffuse whe n viewed from a front side and substantially transparent when viewed from a ba ck side.