Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2009-05-21
2010-11-23
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C359S630000, C359S618000, C359S797000, C385S039000
Reexamination Certificate
active
07839575
ABSTRACT:
Substrate-guided relays that employ light guiding substrates to relay images from sources to viewers in optical display systems. The substrate-guided relays are comprised of an input coupler, an intermediate substrate, and an output coupler. In some embodiments, the output coupler is formed in a separate substrate that is coupled to the intermediate substrate. The output coupler may be placed in front of or behind the intermediate substrate, and may employ two or more partially reflective surfaces to couple light from the coupler. In some embodiments, the input coupler is coupled to the intermediate substrate in a manner that the optical axis of the input coupler intersects the optical axis of the intermediate substrate at a non-perpendicular angle.
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Amitai, Yaakov , “P-27: A Two-Dimensional Aperture Expander for Ultra-Compact, High-Performance Head-Worn Displays”,SID International Symposium. Boston MA. May 24-27, 2005. vol. 36 05/24/205 , 360-363.
DeJong Christian Dean
Freeman Mark O.
Miller Joshua O.
Powell Karlton D.
Microvision Inc.
Schwartz Jordan M.
Wills Kevin D.
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