Beam combiner for use in a head-mounted display device and beam splitter
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jan 5, 2012
app pub date -
Feb 25, 2010
filing date -
Feb 25, 2009
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Abstract
A beam combiner for combining a first beam cluster with a second beam cluster that is not parallel to the first, to form a common beam cluster. The beam combiner includes a transparent body for the first beam cluster, which has a superimposition region that is encountered by the first beam cluster as it passes through the body. The superimposition region is split into a first section and a second section. Only the first section formed from interspaced reflective and/or refractive deflection elements causes a deflection of the second beam cluster by reflection and/or refraction, such that the first beam cluster forms the common beam cluster with the deflected second beam cluster once it has left the body.
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