Thermochromic devices
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United States of America Patent
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-
Jul 4, 2000
Issued Date -
N/A
app pub date -
Oct 15, 1998
filing date -
Oct 15, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is an energy efficient, thermochromic device for windows that allows sunlight or solar radiation into a building or structure when the ambient temperature is low and substantially blocks solar radiation when the ambient temperature is high, especially when sunlight is directly on the window. Additionally, the invention is a thermochromic device useful as variable transmission shutters for use in lenses or filters.
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