Optical device and system for privacy or contrast enhancement and methods of use thereof
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United States of America Patent
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Jun 26, 2012
Grant Date -
Feb 11, 2010
app pub date -
Aug 7, 2008
filing date -
Aug 7, 2008
priority date (Note) -
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Abstract
The present invention relates to an optical device for privacy or contrast enhancement of a viewing display. Also disclosed are a system including the optical device and methods of improving privacy or contrast of a viewing display, such as a plasma display panel, a liquid crystal display panel, an inorganic light emitting diode display panel, or an organic light emitting diode display panel.
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