Examples are provided related to using multiplexed diffrac tive elements to improve eye
tracking systems. One example provides a head-mounted display device comprising a see …

An augmented reality display system includes a first beam path for a foveal inset image on a
holographic optical element, a second beam path for a peripheral display image on the …

US20230205312A1 - Waveguide imaging system for eye tracking - Google Patents
US20230205312A1 - Waveguide imaging system for eye tracking - Google Patents …

Disclosed herein are techniques for eye illumination for eye position tracking. An
illumination system includes a light source configured to emit a light beam in a first …

An optical device and an eye-tracking system to suppress a rainbow effect are provided. The
optical device includes a grating. The grating includes at least one substrate and a grating …

In one or more embodiments, one or more systems, methods, and/or processes may:
determine, based at least on first reflections of light emissions off an eye of a user, first …

(72) Inventors: Changwon JANG, Seattle, WA (US); Olivier MERCIER, Redmond, WA (US);
Gregory Olegovic ANDREEV,(57) ABSTRACT Kirkland, WA (US); Gang LI, Bothell, WA (US); …

Methods, systems, and devices for head wearable display devices are described. A device
may capture a set of images over a set of orientations using a set of cameras positioned on …

A display apparatus for presenting three-dimensional imagery, including an optical
combiner having a first side, a second side, a third side and a fourth side. The second side is …

(57) ABSTRACT A system is provided. The system includes a light source configured to emit
an infrared light to illuminate an eye of a user. The system includes a grating disposed …