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Illumination system and display device using the same

  • US 20060221619A1
  • Filed: 03/20/2006
  • Published: 10/05/2006
  • Est. Priority Date: 04/04/2005
  • Status: Active Grant
First Claim
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1. An illumination system for display device, comprising:

  • a tube-shaped reflector having a tube-shaped wall whose inner surface is reflective, the wall including an aperture extending along a longitudinal axis of the reflector;

    plural sets of LEDs arranged in the reflector, colors of light to be emitted from the LEDs in each of the sets being different, the LEDs in each of the sets being arranged along the longitudinal axis of the reflector to form a linear light source; and

    a collecting lens fixed to the reflector in such a way as to fill the aperture of the reflector.

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