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Solid state lighting devices including quantum confined semiconductor nanoparticles, an optical component for a solid state lighting device, and methods

  • US 9,167,659 B2
  • Filed: 11/05/2010
  • Issued: 10/20/2015
  • Est. Priority Date: 05/06/2008
  • Status: Active Grant
First Claim
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1. A solid state lighting device comprising a phosphor converted LED light source that emits white light including a blue spectral component and having a deficiency in at least one spectral region, and an optical component that is positioned to receive at least a portion of the white light generated by the light source and supplement the spectrum of the white light passing through the optical component, the optical component comprising an optical material for converting at least a portion of the blue spectral component of the white light to one or more predetermined wavelengths such that light emitted by the solid state lighting device includes white light emission from the light source supplemented with light emission at one or more predetermined wavelengths in a deficient spectral region of the light source, wherein the optical material comprises quantum confined semiconductor nanoparticles distributed in a host material, wherein the optical material is fully encapsulated by one or more barrier materials, and wherein the optical component is not in direct contact with the light source.

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