Angles of Reflection is a series of articles written by Da-Lite which reviews the best practices for designing and specifying visual displays coupled with application basics for today's challenging system designs.

In March, Adam Teevan wrote an article that discusses optical properties of the rear of front projection screen surfaces. In this article, Adam discusses:

What are the attributes that are affected by the screen backing?
What if there is no light source behind the screen?
Does the backing have to be black?
How much transmitted light is too much?

Here's a summary of this issue of Angles of Reflection:

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The front side of a projection screen is, arguably, the most important side. It diffuses the light from the projector, it is the side the audience actually looks at and is, as a result, the side that carries all the important characteristics like gain and half-angle. The reverse side of a front projection screen is also important, though much less is said about its properties and it garners little attention. Let’s look at what goes on…

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