Hollow optical elements that derive optical power from compound-curved reflective surfaces
to produce a desired composite optical power. The reflective surfaces in combination with …

Techniques disclosed herein relate to folded optical systems for near-eye display. In one
embodiment, an optical device includes a first polarizer, a second polarizer, and a partial …

A display device includes a projector and a display that has a first surface and a second
surface. The projector is configured to project image light toward the display. The display is …

Disclosed herein are techniques for displaying images on multiple image planes in a near-
eye display system. A switchable optical device includes a first polarizer configurable to …

A three (or more) polarizer arrangement is used to demon strate a wide-angle variable-
neutral-density (VND) filter that has both contrast uniformity and color uniformity. According …

An optical device includes a substrate, a plurality of optical elements positioned on the
substrate, and one or more switchable cells. A respective optical element of the plurality of …

A compound retarder that creates independent control of Re and Rth. This can be done by
forming a three-layer com pound retarder, including a pair of matched-A-plates, combined …

A device for manipulating the polarization of light which includes a first retarder-stack (Stack
1) that converts the polarization of input light from a first polarization basis vector (PBV1) to a …

A display assembly includes a light source, a spatial light modulator (SLM) and a grating.
The light source is configured to emit illumination light, the SLM is configured to receive the …

An optical assembly a substrate having a first surface and a second surface that is opposite
to and substantially parallel with the first surface. The first surface has a first curved profile …