| 摘要 |
<p>A rear projection screen is disclosed which uses a front surface lenticular array to distribute light from projection light sources through a horizontal angle of virtually 180° with uniform luminance. Each lenticular element of the array is characterised by having a height to width ratio of at least 1:1 and a pitch width to tip width ratio of at least 2:1. The lenticular array is further characterized as having the capability of having approximately two-thirds of the front surface area black masked.</p> |
