LCD hacks

Diffuser simulation

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The perfect diffuser is going to be a bit of a quest. Using two sheets of paper is really inefficient, most of the light is reflected instead of passing through. Something lens based would improve the efficiency. So I am looking for a thin sheet with a lot of very small concave depressions. Sheets with convex bumps are commonly used to focus light onto low end solar cells, but this calls for concave lenses to spread the light out. The lens layer is placed over a sheet of plexi, and this is placed over translucent material. Weaker/cheaper lenses means the plexiglass must be thicker, but substantial aberrations in powerful lenses are perfectly tolerable.

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