Patent ID: 6870523

Claim:
A device for displaying a color image comprising: a light source to selectively produce light of at least four different, a polychromatic source; and a color rotating mechanism able to sequentially place at least four color filters, each color filter corresponding to one of said at least four primary colors, in the path of polychromatic light from said polychromatic source at a rotating rate equal to a rate of the frame frequency at which said color image to be displayed is to be refreshed, such that light of all of said at least four primary colors is produced in each rotation of said color rotating mechanism; and a controller to receive image data representing said color image in terms of said at least four primary colors and, based on said image data, to produce a light pattern corresponding to said color image by selectively controlling the path of light of said at least four primary colors, wherein at least one of said at least four primary colors is not an exact complementary of any of the other primary colors.