A system including a light source, a polarizing beam splitter, and first,
second and third light valves is provided. The light source produces
light in first, second and third wavebands in a second polarization
direction. The beam splitter transmits the first waveband of light in a
first polarization direction and the second and third wavebands of light
in the second polarization direction. The first, second and third light
valves reflect at least a portion of the respective first, second and
third wavelength bands of light generally toward a projection lens.