A two-panel projection display system includes a color wheel having color filter segments that transmit light having a secondary color, namely cyan, magenta, and yellow, made up of two primary colors. A primary color separator, such as a second color wheel, a transflective dichroic beamsplitter, or a...http://www.google.ca/patents/US7347562?utm_source=gb-gplus-sharePatent US7347562 - Two-panel liquid-crystal-on-silicon color management system
