Optical combiner apparatus
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United States of America Patent
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May 12, 2020
Grant Date -
Jan 11, 2018
app pub date -
Jul 8, 2016
filing date -
Jul 8, 2016
priority date (Note) -
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Abstract
Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.
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