See-through computer display systems
First Claim
Patent Images
1. A compact optics module for a head mounted display with reduced stray light comprising:
- a reflective image source;
a polarized light source illuminating the reflective image source;
an angled partial reflector to redirect image light from the reflective image source towards a lens element with at least one diffractive surface;
a combiner to redirect the image light along with transmitted light from the environment toward a user'"'"'s eye,wherein the lens element and combiner provide the image light over a field of view that is viewable by the user'"'"'s eye; and
an absorptive polarizer adjacent to the lens element oriented to absorb incident illumination light and transmit image light,wherein the angled partial reflector redirects the image light by more than 90 degrees.
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Abstract
Aspects of the present invention relate to providing see-through computer display optics.
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Citations
16 Claims
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1. A compact optics module for a head mounted display with reduced stray light comprising:
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a reflective image source; a polarized light source illuminating the reflective image source; an angled partial reflector to redirect image light from the reflective image source towards a lens element with at least one diffractive surface; a combiner to redirect the image light along with transmitted light from the environment toward a user'"'"'s eye, wherein the lens element and combiner provide the image light over a field of view that is viewable by the user'"'"'s eye; and an absorptive polarizer adjacent to the lens element oriented to absorb incident illumination light and transmit image light, wherein the angled partial reflector redirects the image light by more than 90 degrees. - View Dependent Claims (2, 3, 4, 5)
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6. A compact optics module for a head mounted display with reduced stray light comprising:
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a reflective image source; a polarized light source illuminating the reflective image source; an angled partial reflector to redirect image light from the reflective image source towards a lens element with at least one diffractive surface; a combiner to redirect the image light along with transmitted light from the environment toward a user'"'"'s eye, wherein the lens element and combiner provide the image light over a field of view that is viewable by the user'"'"'s eye; and an absorptive polarizer adjacent to the lens element oriented to absorb incident illumination light and transmit image light, wherein the combiner redirects the image light by 90 degrees. - View Dependent Claims (7, 8, 9, 10)
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11. A compact optics module for a head mounted display with reduced stray light comprising:
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a reflective image source; a polarized light source illuminating the reflective image source; an angled partial reflector to redirect image light from the reflective image source towards a lens element with at least one diffractive surface; a combiner to redirect the image light along with transmitted light from the environment toward a user'"'"'s eye, wherein the lens element and combiner provide the image light over a field of view that is viewable by the user'"'"'s eye; and an absorptive polarizer adjacent to the lens element oriented to absorb incident illumination light and transmit image light, wherein the combiner redirects the image light by more than 90 degrees. - View Dependent Claims (12, 13, 14, 15)
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16. A compact optics module for a head mounted display with reduced stray light comprising:
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a reflective image source; a polarized light source illuminating the reflective image source; an angled partial reflector to redirect image light from the reflective image source towards a lens element with at least one diffractive surface; a combiner to redirect the image light along with transmitted light from the environment toward a user'"'"'s eye, wherein the lens element and combiner provide the image light over a field of view that is viewable by the user'"'"'s eye; and an absorptive polarizer adjacent to the lens element oriented to absorb incident illumination light and transmit image light, wherein the light from the environment is unpolarized and the combiner transmits over 50% of the unpolarized light from the environment and, wherein the combiner is a notch mirror.
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Specification