LED-based mini-projectors
Marcel P. C. M. Krijn, Bart A. Salters, Oscar H. Willemsen · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2006
We have built a mini-projector with LED light sources that is sufficiently small for portable applications. The projector has a three-panel architecture with transmissive LCD micro-displays in order to combine a high lumen output with a low cost price. The volume of the light engine is 100 cc.