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Planar Illumination Light Source Device and Planar Illumination Light Device Using The Planar Illumination Light Source Device

  • US 20090003002A1
  • Filed: 01/22/2007
  • Published: 01/01/2009
  • Est. Priority Date: 01/27/2006
  • Status: Active Grant
First Claim
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1. A planar illumination light source device, comprising:

  • a light source configured by combining one or a plurality of light emitting bodies that emit light;

    a rectangular and open casing having a bottom plane and a side plane reflecting light from the light source; and

    a radiation side reflection member provided so that it covers an opening portion of the open casing and so that light transmittance increases as it gets farther from the light source, wherein;

    the light source includes;

    a light source device module which is provided ata center of the bottom plane and in which light from the light source is reflected in a manner of multipath reflection in the casing; and

    a light diffusion plate provided above the radiation side reflection member with a space therebetween.

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