An optical display, including a first waveguide having a first set of surfaces, an input grating,
a fold grating, and an output grating; an image input image node assembly; and a pris matic …

An optical device includes a light waves-transmitting substrate having two major surfaces
and edges, two electronic display sources, an optical surface for coupling light into the …

There is provided an optical system, including a light transmitting substrate having at least
two major surfaces parallel to each other edges, and an optical device for coupling light into …

There is provided an optical system, including a lighttransmitting substrate (20) having at
least two external major surfaces and edges, an optical element for coupling light waves into …

An optical assembly for optical aperture expansion combines facet reflective technology with
diffractive technology. At least two diffractive components having opposite optical power …

An optical aperture multiplier includes a first optical waveguide (10) having a rectangular
cross-section and including partially reflecting surfaces (40) at an oblique angle to a …

A waveguide apparatus, comprises: disposed in at least one layer: an input coupler; a first
fold grating; a second fold grating; an output coupler; and a source of light optically coupled …

Various embodiments of waveguide devices are described. A debanding optic may be
incorporated into waveguide devices, which may help supply uniform output illumina tion …

Specific management of configuration of overlap of facets reduces non-uniformity in an
image outcoupled toward a nominal point of observation. A waveguide including at least two …

A transparent wearable data display having a source of collimated light, a deflector for
deflecting the collimated light into a scanned beam, and a first of switchable grating …