Head-mounted display and optical engine thereof
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United States of America Patent
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Jan 25, 2005
Grant Date -
Jan 13, 2005
app pub date -
Feb 20, 2004
filing date -
Jul 9, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A head-mounted display comprises monocular or binocular display chambers. Each display chamber is equipped with an optical engine that displays images. The mechanism of the optical engine is as follows: cast rays from a light source onto an LCoS device through a first polarizer, and an image is formed with rays, which reflect off the bottom of the LCoS device. The reflective rays penetrate the first polarizer and a film-coated beam splitter. With a concave mirror, the image is magnified and projected onto the surface of the beam splitter. Finally, the magnified image is formed in a viewer's eyeballs by means of the beam splitter.
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