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Light emitting diode illumination system

  • US 8,279,442 B2
  • Filed: 01/24/2011
  • Issued: 10/02/2012
  • Est. Priority Date: 08/06/2007
  • Status: Active Grant
First Claim
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1. A fiber optic illumination system, comprising:

  • a first LED light source, wherein the first LED light source emits a first light of a first color wherein the first color is a color other than green; and

    a luminescent rod light source, wherein the luminescent rod light source includesa second LED light source comprising a linear array of LEDs, wherein the second LED light source emits blue light, anda luminescent rod having a straight longitudinal surface parallel to said linear array of LEDs such that the luminescent rod is positioned to receive the blue light, wherein the blue light is absorbed by the luminescent rod which then generates by luminescence and emits green light;

    the luminescent rod having an outlet aperture wherein the green light exits the luminescent rod at the outlet aperture;

    a liquid light guide adapted to couple the fiber optic illumination system to a fiber optic device; and

    associated optics that combines the first light of the first light source with the green light generated by the luminescent rod into a combined light beam on a same optical axis and focuses said combined light beam into said liquid light guide.

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