Bulb for light-emitting diode with modified inner cavity
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United States of America Patent
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Feb 7, 2012
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N/A
app pub date -
Feb 4, 2008
filing date -
Jan 12, 2007
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Abstract
A bulb adapted to fit over and around a light-emitting diode emitting a light of a first hue in a predetermined radiation pattern defines an inner cavity for housing the light-emitting diode with a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode. The bulb is composed of a light-transmitting material and a light color-converting material, with the light color-converting material converting the light of the first hue into light of a desired hue, which is then viewed over a light-emitting surface of the bulb.
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