Busbars for electrically powered cells
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United States of America Patent
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Sep 10, 2002
Grant Date -
Apr 18, 2002
app pub date -
Sep 20, 2001
filing date -
Jul 2, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Edge busbars on a substantial perimeter of an electrochromic device are disclosed having electrical paths wrapping over the perimeter edge. Internal busbars interior from the perimeter are disclosed which lower the conductivity of the conductive layer of an electrochromic device. Signals supplied to the busbars to control the electrochromic device are controlled by a switching power supply that allows the maintaining of the color of the electrochromic device without application of continuous power.
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