LIGHTING SYSTEM USING DISPERSED FLUORESCENCE

摘要

A system for generating light using a blue or ultraviolet light emitter as excitation source for dispersed fluorescent material is disclosed. A light transmissive dispersant, which may colloidally suspend or chemically dissolve a fluorescent material, acts to distribute the fluorescent material over a spatial region. The combination of primary and secondary light emission results in a broader light spectrum than the primary emitter alone would produce. Extending the light transmissive dispersant medium containing fluorescent material over a spatial region spanning beyond point sources will minimize or eliminate bright spots, which might otherwise result from point sources. Use of a liquid dispersant may result in convective cooling of the emission sources.

主权项

1. A light source, comprising:
a light transmissive envelope; an emission source producing blue or ultraviolet light, or a mixture thereof; and a suspension of fluorescent material interspersed between the emission source and the light transmissive envelope.