Projection screen and method for producing the same.
摘要
<p>A projection screen is comprised of a sheet formed by a multiplicity of light-transmitting plastic strands which strands are arranged and welded in parallel with one another. The width W (mm) of the screen and the pitch p (mm) of the strands meet the following condition (1): <MATH> The radius of curvature R1 (mm) of the strand at a first side of the screen is determined by the following condition (2) <MATH> The radius of curvature R2 (mm) of the strand at a second side of the screen meets the following condition (3): <MATH> </p>