A folded, magnifying, front projection arrangement for video displays includes a video image source, such as a flat panel display unit out of the user's field of view, projects its image onto a concave mirror also out of the user's field of view. The video image source is maintained off-axis with respect...http://www.google.fr/patents/US5394198?utm_source=gb-gplus-shareBrevet US5394198 - Large-screen display system
