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Light Guide and Apparatus For Using Light Guide

  • US 20080285308A1
  • Filed: 03/21/2005
  • Published: 11/20/2008
  • Est. Priority Date: 03/23/2004
  • Status: Abandoned Application
First Claim
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1. A light guide comprising:

  • a light conducting substrate comprising,a) a front surface;

    b) a back surface; and

    c) at least a first edge and a second edge that oppose each other;

    wherein the back surface has disposed thereon light scattering elements;

    wherein the light scattering elements are at least two different sizes arranged in a pattern possessing at least a first axis of symmetry;

    wherein at least the first edge and second edge receives light from at least a first and second light source; and

    wherein the light sources are at least substantially parallel to the axis of symmetry.

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