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Image projection apparatus for producing an image supplied by parallel transmitted colored light

  • US 5,868,480 A
  • Filed: 12/17/1996
  • Issued: 02/09/1999
  • Est. Priority Date: 12/17/1996
  • Status: Expired due to Term
First Claim
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1. A projection apparatus comprising:

  • a) a light source;

    b) a filter that has an array of pixels that each pass selected colors of light and reflect other colors, each pixel being subpixelated so that a single pixel passes selected light rays for selected colors, each subpixel passing a selected color;

    c) a display device that has an array of pixels, the number of pixels corresponding in number to the number of subpixels of the filter, wherein each pixel is individually energizable, the display device positioned adjacent to said filter; and

    d) a controller for controlling the display device.

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