Illumination system comprising a radiation source and a fluorescent material
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United States of America Patent
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Aug 11, 2009
Grant Date -
Jul 20, 2006
app pub date -
Mar 5, 2004
filing date -
Mar 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an illumination system comprising a radiation source and a fluorescent material comprising at least one phosphor capable of absorbing a portion of the light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light; wherein said at least one phosphor is a green-emitting cerium-activated lutetium-aluminum-garnet of general formula (Lu1-x-y-a-bYxGdy)3(Al1-zGaz)5O12:CeaPrb wherein 0
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