Optisches System zur Wiedergabe von farbigen Videobildern.

摘要

The present invention relates to an optical system for reproducing color video images comprising a lighting source (1), an electro-optical modulator (3) comprised of pixels associated respectively to red, green, blue colors and optical colimation means (2) for lighting the entire modulator. Said system also includes an assembly of holographic lenses (6) which are selective in wave lengthes, allowing to focus the light of each red, green or blue component on the associated pixels of the modulator. Application to video projectors and to direct vision.