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Image display device

  • US 6,626,540 B2
  • Filed: 03/19/2001
  • Issued: 09/30/2003
  • Est. Priority Date: 03/17/2000
  • Status: Expired due to Term
First Claim
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1. An image display device having a plurality of reflective image display elements for forming an optical image according to a video signal from light output from a light source unit, and an optical system to beam the light onto the reflective image display elements and to combine and output the light reflected from the reflective image display elements, comprising:

  • a color separating unit for separating the light from the light source unit into a first and a second light;

    a color separating/combining unit installed on an optical axis of the first light separated by the color separating unit;

    a first reflecting unit;

    a color combining unit for combining the optical image from the plurality of the reflective image display elements;

    a second reflecting unit;

    wherein the first light separated by the color separating unit is reflected by the first reflecting unit and input to the color separating/combining unit; and

    wherein the second light separated by the color separating unit is permeated through the color combining unit and input to the second reflecting unit for reflection, and the reflected second light is input to one of the reflective image display elements, and an optical image obtained from the one of the reflective image display elements is again reflected by the second reflecting unit and inputted to the color combining unit.

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