Photovoltaic devices with integrated color interferometric film stacks
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United States of America Patent
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Nov 15, 2011
Grant Date -
Apr 23, 2009
app pub date -
Dec 28, 2007
filing date -
Oct 19, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Color photovoltaic (PV) devices formed using interferometric stacks tuned to reflect color covering the front side or back side of a PV cell, device, panel, or array are disclosed. Interferometric stacks covering PV devices include interferometric modulators (IMODs), or dichroic pair stacks. Such devices can be configured to reflect enough light of select wavelengths so as to impart a color, while transmitting enough light to the PV active material so as to generate useful electricity.
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