Directional backlight
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 9, 2014
app pub date -
Jun 19, 2014
filing date -
May 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A directional backlight is disclosed. The directional backlight has a plurality of light sources to generate a plurality of input planar lightbeams. The plurality of input planar lightbeams illuminates a directional backplane that has a plurality of directional pixels to scatter the plurality of input planar lightbeams into a plurality of directional lightbeams. Each directional lightbeam has a direction and angular spread controlled by characteristics of a directional pixel in the plurality of directional pixels. The directional backlight can be used to generate a 3D image by specifying the characteristics of the directional pixels in the directional backplane.
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