Color display pixels taken in localized groups are transformed from RGB color signals intended for a self-luminous display into WCMYRGBK signals to drive a chromatophore color display device. Each chromatophoric pixel is of one solid color and is selected from the group (White, Cyan, Magenta, Yellow,...http://www.google.de/patents/US6198512?utm_source=gb-gplus-sharePatent US6198512 - Method for color in chromatophoric displays
