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TRANSPARENT OPTICAL ELEMENT WITH DUAL LIGHT-POLARIZING EFFECT

  • US 20140139802A1
  • Filed: 11/21/2012
  • Published: 05/22/2014
  • Est. Priority Date: 11/21/2012
  • Status: Active Grant
First Claim
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1. A transparent optical element with dual light-polarizing effect, the element having an optical surface and comprising:

  • at least first and second films each arranged in parallel with said optical surface,the first film forming a linear light-polarizer in a first portion of the optical surface; and

    the second film forming a retarder plate in a second portion of the optical surface;

    wherein within the optical surface, the second portion is smaller than the first portion and is contained within said first portion, and a retarder efficiency of the second film is higher in the second portion with respect to the first portion out of said second portion.

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