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Isotropic collimation devices and related methods

  • US 20070085084A1
  • Filed: 03/07/2006
  • Published: 04/19/2007
  • Est. Priority Date: 10/17/2005
  • Status: Active Grant
First Claim
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1. A light-emitting device comprising:

  • an interface through which emitted light passes therethrough, the interface having a dielectric function that varies spatially according to a pattern, the pattern arranged to provide light emission that has a substantially isotropic emission pattern and is more collimated than a Lambertian distribution of light.

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