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Diffusive light illuminator

  • US 9,855,352 B2
  • Filed: 09/14/2015
  • Issued: 01/02/2018
  • Est. Priority Date: 09/13/2014
  • Status: Active Grant
First Claim
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1. A diffusive illuminator comprising:

  • a set of light sources;

    a light guiding structure including a plurality of layers, wherein the light guiding structure includes a plurality of layers formed of a fluoropolymer and at least one layer formed of a transparent fluid, and wherein the light guiding structure includes an emission surface through which diffused light exits; and

    a plurality of diffusive elements associated with at least one of the plurality of layers, wherein each of the plurality of diffusive elements diffuses the light to within forty percent of Lambertian distribution, and wherein the plurality of diffusive elements are arranged based on a desired uniformity of the diffused light at a target distance corresponding to a surface to be illuminated.

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