A projector projects pixels to form an image in accordance with image data. The projector includes a modulator which modulates light from a light source and outputs projected pixels in a plurality of color spectral bands. The projector has a light source with a non-uniform spectral power distribution...http://www.google.com.au/patents/US6956702?utm_source=gb-gplus-sharePatent US6956702 - Projector with spectral filter
