Projection screen.

摘要

A projection screen (10) comprises a horizontal refracting linear Fresnel lens sheet (12), a vertical refracting linear Fresnel lens sheet (14) and a light diffusing lenticular lens sheet (16), which are arranged from the beam-projection side starting with the horizontal refracting linear Fresnel lens sheet (12) followed by the vertical refracting linear Fresnel lens sheet (14) and ending with the light diffusing lenticular lens sheet (16). <IMAGE>