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LIGHT-GUIDE MODULE

  • US 20120128298A1
  • Filed: 05/10/2011
  • Published: 05/24/2012
  • Est. Priority Date: 11/23/2010
  • Status: Active Grant
First Claim
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1. A light-guide module comprising:

  • a light-guide strip having opposite first and second ends, a light-entry surface disposed at said first end, a light-exit surface extending between said first and second ends, and first and second working surfaces disposed parallel to each other and extending between said first and second ends, one of said first and second working surfaces defining a light-scatter zone and including a plurality of micro-scatter structures that are disposed within said light-scatter zone and that configure said light-scatter zone with a light-scattering ability that varies from said first end to said second end; and

    a reflecting element disposed to reflect light that exits from said light-guide strip via said first and second working surfaces back into said light-guide strip via said first and second working surfaces, respectively.

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