SOLID STATE LIGHTING DEVICES INCLUDING QUANTUM CONFINED SEMICONDUCTOR NANOPARTICLES, AN OPTICAL COMPONENT FOR A SOLID STATE LIGHTING DEVICE, AND METHODS

摘要

A solid state lighting device including a light source capable of emitting white light including a blue spectral component and having a deficiency in a spectral region, and an optical component that is positioned to receive at least a portion of the light generated by the light source, the optical component comprising an optical material for converting at least a portion of the blue spectral component of the light to one or more predetermined wavelengths such that light emitted by the solid state lighting device includes light emission from the light source supplemented with light emission at one or more predetermined wavelengths, wherein the optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is lighting fixture, a cover plate for a lighting fixture and a method.

主权项

1. An endoscopy light source comprising 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 light generated by the phosphor-converted LED 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 phosphor-converted LED light source supplemented with light emission at one or more predetermined wavelengths in a deficient spectral region of the phosphor-converted LED 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 phosphor-converted LED light source.