Optical microstructures for light extraction and control
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jun 4, 2009
app pub date -
Dec 30, 2008
filing date -
Jan 24, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The application of optical microstructures improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into direct contact or close proximity of a light guide to extract light through frustrated total internal reflection. Certain ones of the microstructures can act to assist in overcoming stiction between the surface and the light guide.
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