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Polarized light emitting diode (LED) color illumination system and method for providing same

  • US 20060164726A1
  • Filed: 06/22/2005
  • Published: 07/27/2006
  • Est. Priority Date: 01/25/2005
  • Status: Active Grant
First Claim
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1. A polarized light illumination system comprising:

  • at least one light emitting diode (LED) for providing a source of light;

    a non-polarizing dichroic combiner for combining the at least one LED into a single light source;

    a power beam splitter (PBS) for splitting the single light source into polarized light components;

    an output waveguide for providing a source of uniformly illuminated light; and

    a condenser lens for projecting the uniformly illuminated light to a microdisplay panel.

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