Disclosed herein is a raster scanning-type display device using a diffractive optical modulator. The raster scanning-type display device includes an optical illumination unit, a diffractive optical modulator, and a projection unit. The optical illumination unit radiates light, which is emitted from a...http://www.google.com/patents/US7495814?utm_source=gb-gplus-sharePatent US7495814 - Raster scanning-type display device using diffractive optical modulator
