TIR light valve
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United States of America Patent
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-
Mar 12, 2013
Grant Date -
Dec 30, 2010
app pub date -
Sep 9, 2010
filing date -
Dec 9, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An array of light valves switch light by enabling and disabling total internal reflection (TIR) on a surface of the light valve. The disabling of the TIR is accomplished by putting another optical element in contact with the surface and then diffusing or changing the direction of the light. The mechanical mechanism to move the optical element is a simple one in that it only moves the optical element a small distance to change the valve from a first position to a second position.
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Family
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Cited Art Landscape
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