Inventor

CHI WANLI

US90 patents

⚠️ This page may combine multiple inventors who share the name “CHI WANLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHI WANLI

FACEBOOK TECH LLC

Multi-layered substrates for waveguide displays

Eye tracking based on polarization volume grating

Waveguide with switchable input

Waveguide display with gratings for improved diffraction efficiency

Opposed gratings in a waveguide display

Dynamic control of optical axis location in head-mounted displays

2D pupil expander using holographic Bragg grating

Field-of-view stitched waveguide display

Volume bragg gratings for near-eye waveguide display

Multiple projector field-of-view stitched waveguide display

Spatially multiplexed volume Bragg gratings with varied refractive index modulations for waveguide display

Waveguide including volume Bragg gratings

Scanned MicroLED array for waveguide display

Waveguide display with holographic Bragg grating

Scanned microLED array for waveguide display

Waveguide display with a small form factor, a large field of view, and a large eyebox

Scanned MicroLED array for waveguide display

Compact light projection system including an anamorphic reflector assembly

Waveguide including volume Bragg gratings

Scanning waveguide display

Optical system using segmented phase profile liquid crystal lenses

Waveguide display with gratings for improved diffraction efficiency

Multi-layered substrates for waveguide displays

Waveguide display with two-dimensional scanner

Waveguide display with holographic Bragg grating

Display device with throughput calibration

Scanned microLED array for waveguide display

Temporally incoherent and spatially coherent source for waveguide displays

Superluminous LED array for waveguide display

Dynamic control of optical axis location in head-mounted displays

Waveguide display with a small form factor, a large field of view, and a large eyebox

Scanning assembly with gratings in waveguide displays with a large eyebox

META PLATFORMS TECH LLC

Detection, analysis and correction of disparities in a display system utilizing disparity sensing port

Reflector orientation of geometrical and mixed waveguide for reducing grating conspicuity for near-eye displays

Phase structure on volume Bragg grating-based waveguide display

Waveguide display with multiple monochromatic projectors

Staircase in-coupling for waveguide display

Display systems with collection optics for disparity sensing detectors

Hybrid waveguide to maximize coverage in field of view (FOV)

Spatially multiplexed volume Bragg gratings with varied thicknesses for waveguide display

Multi-layered substrates for waveguide displays

UNIV ROCHESTER

Imaging using a multifocal aspheric lens to obtain extended depth of field

Imaging using a multifocal aspheric lens to obtain extended depth of field

SYMBOL TECHNOLOGIES INC

Imaging module and reader for, and method of, illuminating and imaging targets to be read over an extended range of working distances

Decoding DPM indicia with polarized illumination

APTINA IMAGING CORP

Apparatus and method for extended depth of field imaging

Apparatus and method for extended depth of field imaging

MICRON TECHNOLOGY INC

Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture

OCULUS VR LLC

Waveguide display with two-dimensional scanner

CHI WANLI

Optical element, device, method, and applications