Technology We have developed a patented "Rainbow Concentrator" lens that will spread the spectrum and concentrates sunlight with one inexpensive lens. This will allow us to use concentrator cells for specific sunlight wavelengths. Sol Solution'a proprietary photovoltaic system Traditional photovoltaic concentrators Refractive Spectrum Splitting Concentrator System Patent 7206142 pdf version Patent 7206142 issued April 17, 2007 Color Color drawings for Patent 7206142 Patent 7206142 on USPTO Patent 7206142 directly from the USPTO Prototype Prototype Pictures of prototype lens