Inventor
LEIBOVICI MATTHIEU CHARLES RAOUL
US36 patents
⚠️ This page may combine multiple inventors who share the name “LEIBOVICI MATTHIEU CHARLES RAOUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FACEBOOK TECH LLC
31 patentsUS10983257B1Apr 20, 2021
Fabrication of self-aligned grating elements with high refractive index for waveguide displays
FACEBOOK TECH LLC46 citations98
US10732351B2Aug 4, 2020
Gratings with variable depths formed using planarization for waveguide displays
FACEBOOK TECH LLC45 citations98
US10649119B2May 12, 2020
Duty cycle, depth, and surface energy control in nano fabrication
FACEBOOK TECH LLC42 citations94
US10613268B1Apr 7, 2020
High refractive index gratings for waveguide displays manufactured by self-aligned stacked process
FACEBOOK TECH LLC38 citations94
US10649141B1May 12, 2020
Gratings with variable etch heights for waveguide displays
FACEBOOK TECH LLC15 citations86
US11249230B2Feb 15, 2022
Duty cycle, depth, and surface energy control in nano fabrication
FACEBOOK TECH LLC5 citations84
US10816809B2Oct 27, 2020
Holographic in-field illuminator
FACEBOOK TECH LLC10 citations84
US11402578B2Aug 2, 2022
Gratings with variable depths formed using planarization for waveguide displays
FACEBOOK TECH LLC1 citations73
US11175455B1Nov 16, 2021
Gratings with variable etch heights for waveguide displays
FACEBOOK TECH LLC3 citations73
US11067726B2Jul 20, 2021
Gratings with variable depths for waveguide displays
FACEBOOK TECH LLC2 citations73
US11035988B1Jun 15, 2021
Tunable shrinkage process for manufacturing gratings
FACEBOOK TECH LLC2 citations73
US10838121B1Nov 17, 2020
Manufacturing three-dimensional diffraction gratings by selective deposition or selective etching
FACEBOOK TECH LLC2 citations73
US10712670B1Jul 14, 2020
Variable neutral density filter for multi-beam interference lithography exposure
FACEBOOK TECH LLC3 citations73
US10509327B1Dec 17, 2019
Variable neutral density filter for multi-beam interference lithography exposure
FACEBOOK TECH LLC4 citations73
US11407731B2Aug 9, 2022
Holographic in-field illuminator
FACEBOOK TECH LLC1 citations62
US11409240B2Aug 9, 2022
Holographic pattern generation for head-mounted display (HMD) eye tracking using a diffractive optical element
FACEBOOK TECH LLC0 citations62
US11327438B2May 10, 2022
Refractive index modulation modification in a holographic grating
FACEBOOK TECH LLC1 citations62
US11262495B1Mar 1, 2022
Waveguides with high refractive index gratings manufactured by post-patterning infusion
FACEBOOK TECH LLC1 citations62
US11249242B1Feb 15, 2022
High refractive index gratings for waveguide displays manufactured by self-aligned stacked process
FACEBOOK TECH LLC0 citations62
US10948873B2Mar 16, 2021
Holographic pattern generation for head-mounted display (HMD) eye tracking using a lens array
FACEBOOK TECH LLC1 citations62
US10914944B1Feb 9, 2021
Anti-refraction cancelling prism for multi-beam interference lithography exposure
FACEBOOK TECH LLC1 citations62
US10838362B2Nov 17, 2020
Holographic pattern generation for head-mounted display (HMD) eye tracking using a prism array
FACEBOOK TECH LLC1 citations62
US11209676B2Dec 28, 2021
Local dimming in a device
FACEBOOK TECH LLC1 citations61
US10890770B2Jan 12, 2021
Waveguide having partial reflector
FACEBOOK TECH LLC1 citations61
US11372246B2Jun 28, 2022
Near-eye display system having optical combiner
FACEBOOK TECH LLC0 citations52
US11281160B2Mar 22, 2022
Holographic pattern generation for head-mounted display (HMD) eye tracking using a fiber exposure
FACEBOOK TECH LLC0 citations52
US11256213B2Feb 22, 2022
Holographic pattern generation for head-mounted display (HMD) eye tracking using an array of parabolic mirrors
FACEBOOK TECH LLC0 citations52
US10942489B2Mar 9, 2021
Wide-field holographic pattern generation for head-mounted display (HMD) eye tracking
FACEBOOK TECH LLC0 citations52
US10712481B1Jul 14, 2020
Fabricating of diffraction grating by ion beam etching
FACEBOOK TECH LLC0 citations52
US10274651B1Apr 30, 2019
Manufacturing three-dimensional diffraction gratings by selective deposition or selective etching
FACEBOOK TECH LLC0 citations52
US10768361B1Sep 8, 2020
System for monitoring grating formation
FACEBOOK TECH LLC0 citations39
META PLATFORMS TECH LLC
5 patentsUS11579364B2Feb 14, 2023
Gratings with variable depths formed using planarization for waveguide displays
META PLATFORMS TECH LLC5 citations86
US11455031B1Sep 27, 2022
In-field illumination for eye tracking
META PLATFORMS TECH LLC13 citations85
US11448806B1Sep 20, 2022
Fabrication of self-aligned grating elements with high refractive index for waveguide displays
META PLATFORMS TECH LLC1 citations62
US12256153B1Mar 18, 2025
Polarization volume hologram combiner enabling wide population coverage, eye tracking accuracy, and glint generation
META PLATFORMS TECH LLC0 citations61
US11422390B2Aug 23, 2022
Digital projector for local dimming in a device
META PLATFORMS TECH LLC0 citations61