Optical display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 28, 1987
Grant Date -
N/A
app pub date -
Mar 11, 1985
filing date -
Mar 11, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transparent electrode has a grating formed thereon, the dimensions of the grating selected to prevent light transmission at a given wavelength or range of wavelengths. A non-wetting transparent liquid covering the grating is held in place by a second electrode. Application of an electrical field between the electrodes causes the liquid to be drawn into the space between the grating ridges, allowing light transmission.
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