Lighting device
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United States of America Patent
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Sep 30, 2008
Grant Date -
Sep 25, 2008
app pub date -
Jun 8, 2006
filing date -
Jul 3, 2003
priority date (Note) -
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Abstract
There is provided a lighting device for illuminating objects inside an enclosure including a housing, an array of light emitting diodes enclosed by the housing consisting of at least two groups of diodes, one group emitting substantially white light and one group emitting colored light, a DC to DC converter feeding the light-emitting diodes and enclosed by the housing, and a light intensity controller for operating each of the groups of diodes at variable light intensities.
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