SOLID-STATE LAMPS WITH IMPROVED EMISSION EFFICIENCY AND PHOTOLUMINESCENCE WAVELENGTH CONVERSION COMPONENTS THEREFOR
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United States of America Patent
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Issued Date -
Aug 22, 2013
app pub date -
Feb 15, 2013
filing date -
Feb 17, 2012
priority date (Note) -
Abandoned
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Abstract
A solid-state lamp comprising: an array of solid-state excitation sources and a photoluminescence wavelength conversion component comprising a layer of photoluminescence material and a coupling optic. The layer of photoluminescence material is remote to the excitation sources and the coupling optic is disposed between the excitation sources and the layer of photoluminescence material. The ratio of the photoluminescence material surface area of the layer of the photoluminescence material to the excitation source surface area for the array of solid-state excitation sources is at least 3 to 1.
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