An array of reflective liquid crystal spatial light modulator pixels is formed on a substrate with a light polarizing layer positioned in overlying relationship to the array. An optical waveguide is positioned adjacent the polarizing layer and has a light source mounted adjacent an end thereof so that light is directed into the optical waveguide and further has a plurality of diffraction gratings formed therein so that deflected light evenly illuminates the array and allows passage of reflected light from the array back through the waveguide. Electrical connections are made from the array, through leads in the waveguide and to external contacts. A diffuser is mounted in overlying and spaced relationship to the waveguide to form an image plane for reflected light from the array.