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LIGHT SOURCE DEVICE, DISPLAY APPARATUS AND ELECTRONIC EQUIPMENT

  • US 20130083260A1
  • Filed: 09/10/2012
  • Published: 04/04/2013
  • Est. Priority Date: 09/29/2011
  • Status: Abandoned Application
First Claim
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1. A light source device comprising:

  • a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other;

    a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side; and

    a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, whereina plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, andthe diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas.

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