Patent ID: 7543943
Filing Date: 2009-06-09
Classification: G02B,G03B,H04N

Abstract:
1. A light projector comprising: a light source configured to output a light beam; a display screen configured to display a color image containing pixels; a color filter positioned between the light source and the projection screen, said color filter comprising a mosaic of tiles having one of “n” number of colors, wherein “n” is equal to the number of color components used to display the color image on the display screen, and wherein the tiles are arranged in a spatially intermixed color pattern; a device for sequentially permuting colors of the pixels for a plurality of frames, said device comprising a mechanical device for shifting the position of the color filter; and a light valve positioned between the light source and the color filter, such that, the light beam from the light source impinges upon the light valve prior to passing through the color filter.