A color filterless display device performing color display for expressing one pixel by three RGB sub-pixels includes: a light source; a diffraction grating for separating a light irradiated from this light source into lights of a plurality of wavelength regions; a cylindrical lens array for receiving...http://www.google.es/patents/US7164454?utm_source=gb-gplus-sharePatente US7164454 - Color filterless display device, optical element, and manufacture
Color filterless display device, optical element, and manufacture