See-Through Near-to-Eye Viewing Optical System
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United States of America Patent
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Issued Date -
Mar 16, 2017
app pub date -
Nov 30, 2015
filing date -
Sep 11, 2015
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Abstract
A see-through near-to-eye viewing optical system, which can be used in a head-mounted augmented reality display system, is provided. The see-through near-to-eye viewing optical system of the present invention comprises an LED illumination system for generating a light and a pre-polarizer for concentrating said light onto a PBS. Then an LCOS panel receives and reflects said light towards a post-polarizer after generating an image. The light travels from the post-polarizer and passes through an eyepiece for magnifying the image, and continues towards a 50/50 beam splitter. Afterwards the beam splitter transmits said light and another light from the outside field of view to user's eyes simultaneously and thus, the user can see what is shown on the glass screen while still being able to see through it.
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