Secondary optic for concentrating photovoltaic device
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United States of America Patent
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Apr 19, 2016
Grant Date -
Jun 12, 2014
app pub date -
Dec 11, 2012
filing date -
Dec 11, 2012
priority date (Note) -
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Abstract
A light concentrating optic for use with a photovoltaic device includes a light pipe having a first end portion for receiving light and a second end portion for outputting concentrated light. An optical element is coupled to the light pipe on the first end portion and configured to form an optical interface between the light pipe and the optical element. The optical element includes at least one light transmitting surface configured to redirect incident light entering the optical element to disperse the light to fall incident on side walls of the light pipe to increase homogeneity and intensity of light through the second end portion.
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