Patent ID: 7926951

Claim:
A digital image projector comprising: a plurality of light modulation assemblies, each light modulation assembly comprising: at least one laser light source configured to provide an illumination beam, a coated surface treated to transmit and reflect light according to its incident angle, wherein the coated surface has a mirror coating design, an edge filter coating design, a bandpass filter coating design, or a notch filter coating design, and a spatial light modulator comprising an array of micromirrors, wherein the coated surface is configured to direct the illumination beam toward the spatial light modulator, and wherein each micromirror in the spatial light modulator is selectively actuable to modulate the illumination beam and to redirect output modulated light back to the coated surface and out of the corresponding light modulation assembly; and a dichroic combiner comprising a plurality of surfaces treated to selectively transmit or reflect light according to its wavelength and configured to direct the output modulated light from each of the plurality of light modulation assemblies toward projection optics for projection onto a display surface.