[[Optical Component]] High recycling efficiency solid state light source device

A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and...



source Optical Component patent applications http://www.freshpatents.com/-dt20130321ptan20130070449.php

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