Thermal management of remote phosphor layer in a light-emitting diode system

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Authors
Perera, Ukwatte Lokuliyanage Indika Upendra
Issue Date
2013-12
Type
Electronic thesis
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Language
ENG
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Lighting
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Abstract
The heat generated in the phosphor locations, due to phosphor quantum inefficiency and Stokes shift losses, accumulates around the local volume due to the low thermal conductivity of the phosphor binding material. This issue is compounded as the localized heat builds up within the phosphor binding material, causing phosphor quenching and degrading the binding material, resulting in more absorption of visible radiation and in turn building up more heat. The increase in temperature contributes to faster degradation of light in the short and long term.
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December 2013
School of Architecture
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Rensselaer Polytechnic Institute, Troy, NY
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