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LIGHT-GUIDE APPARATUS

  • US 20110044073A1
  • Filed: 05/22/2009
  • Published: 02/24/2011
  • Est. Priority Date: 05/23/2008
  • Status: Active Grant
First Claim
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1. A light-guide apparatus comprising a light-guide plate for guiding light rays and a plurality of light extraction features, the light extraction features comprising a transparent material applied to the light-guide plate and having an uneven surface such that light rays incident upon the uneven surface are refracted out of the light guide.

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