INCREASING FIELD OF VIEW OF REFLECTIVE WAVEGUIDE
First Claim
Patent Images
1. A near-eye display system comprising:
- an image former configured to form a display image and to release the display image through a first exit pupil; and
a waveguide having a back surface facing a wearer'"'"'s eye, a front surface opposite the back surface, and a partially reflective dielectric cladding arranged on the front and back surfaces, the waveguide being substantially transparent to external imagery received normal to the front surface, and configured to receive the display image from the image former and to release the display image through a second exit pupil larger than the first exit pupil.
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Abstract
A near-eye display system includes an image former and a waveguide. The image former is configured to form a display image and to release the display image through a first exit pupil. The waveguide presents a back surface that faces the wearer'"'"'s eye, and a front surface opposite the back surface. The waveguide is substantially transparent to external imagery received normal to the front surface, and is configured to receive the display image from the image former and to release the display image through a second exit pupil, which is larger than the first exit pupil.
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Citations
20 Claims
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1. A near-eye display system comprising:
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an image former configured to form a display image and to release the display image through a first exit pupil; and a waveguide having a back surface facing a wearer'"'"'s eye, a front surface opposite the back surface, and a partially reflective dielectric cladding arranged on the front and back surfaces, the waveguide being substantially transparent to external imagery received normal to the front surface, and configured to receive the display image from the image former and to release the display image through a second exit pupil larger than the first exit pupil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A near-eye display system comprising:
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an image former configured to form a display image and to release the display image through a first exit pupil; and a waveguide having a back surface facing a wearer'"'"'s eye and a front surface opposite the back surface, the waveguide being substantially transparent to external imagery received normal to the front surface, and configured to receive the display image from the image former and to release the display image through a second exit pupil larger than the first exit pupil, the waveguide including a plurality of transparent sections arranged end-to-end, each transparent section supporting a beamsplitter, the beamsplitter of one transparent section joined to an adjacent transparent section via a bonding region of thickness less than one-fourth of a shortest wavelength of light from the display image. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A waveguide comprising:
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opposing front and back surfaces, the waveguide being substantially transparent to external imagery received normal to the front surface and configured to receive an image through an entry pupil, and to release the image through an exit pupil on the back surface, the exit pupil being larger than the entry pupil; a plurality of transparent sections arranged end-to-end, each transparent section supporting a beamsplitter, the beamsplitter of one transparent section joined to an adjacent transparent section via a bonding region of thickness less than one-fourth of a shortest wavelength of light from the image; and a dielectric cladding with incidence-angle dependent reflectance arranged on the front and back surfaces of the waveguide. - View Dependent Claims (18, 19, 20)
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Specification