Solaris DS

Diffusion filters are typically used for back-lighted LCD modules such as Passenger Information Systems at airports and in busses and trains – but also for keyboards and instruments in which a combination of the greatest possible light transmittance and a controlled dispersion of light (diffusion) is required.

As back-ligted LCD’s are rather faint the readability is often negatively affected by sunlight and other surrounding sources of light.

Therefore PSC has developed the Solaris™ DS diffusion filter, giving the LCD light source the maximum effect whilst at the same time creating a contrast background which makes the information clear.

Properties of Solaris™ DS

The Solaris™ DS filter’s special properties occur by mixing raw materials with different refractive indices. The filter therefore contains no pigments which can hinder light transmission, achieving the ideal diffusion of light.

The Solaris™ DS filter is placed close to the light source so that diffusion occurs before the light hits the LCD modules. With a diffusion filter, a maximum amount of light is distributed to the LCD, and only a minimal amount of parallel light leaves the filter.

We produce Solaris™ DS filters in three degrees of diffusion. They diffuse in white light but can be tinted in other colours.