P

Inventor

PENG FENGLIN

US76 patents
⚠️ This page may combine multiple inventors who share the name “PENG FENGLIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FACEBOOK TECH LLC

25 patents
US10495798B1Dec 3, 2019

Switchable reflective circular polarizer in head-mounted display

FACEBOOK TECH LLC68 citations98
US11022784B1Jun 1, 2021

Use of folded optics to reduce volume in a virtual-reality system

FACEBOOK TECH LLC22 citations94
US10600352B1Mar 24, 2020

Display device with a switchable window and see-through pancake lens assembly

FACEBOOK TECH LLC23 citations94
US11372239B1Jun 28, 2022

Enabling eye tracking in pancake lens optics

FACEBOOK TECH LLC9 citations86
US10962795B1Mar 30, 2021

Display with a resolution enhanced region

FACEBOOK TECH LLC12 citations86
US10902820B2Jan 26, 2021

Display device with dynamic resolution enhancement

FACEBOOK TECH LLC10 citations86
US10642048B2May 5, 2020

Reflective circular polarizer for head-mounted display

FACEBOOK TECH LLC12 citations86
US11150468B1Oct 19, 2021

Optical device having reduced diffraction artifacts for eye-tracking

FACEBOOK TECH LLC7 citations84
US11099412B2Aug 24, 2021

Optical waveguide beam splitter with plural partial extraction features for display

FACEBOOK TECH LLC5 citations84
US10877277B1Dec 29, 2020

Liquid crystal Alvarez lens

FACEBOOK TECH LLC9 citations84
US10838214B2Nov 17, 2020

Angle compensating lens and display

FACEBOOK TECH LLC8 citations84
US10678057B2Jun 9, 2020

Liquid crystal cells for polarization rotation

FACEBOOK TECH LLC10 citations84
US10520772B1Dec 31, 2019

Self-compensated liquid crystal polymer coatings on curved optical surface

FACEBOOK TECH LLC9 citations84
US11555961B1Jan 17, 2023

Display device with waveguide-based talbot illuminator

FACEBOOK TECH LLC1 citations73
US11002898B2May 11, 2021

Switchable reflective circular polarizer in head-mounted display

FACEBOOK TECH LLC4 citations73
US10955675B1Mar 23, 2021

Variable resolution display device with switchable window and see-through pancake lens assembly

FACEBOOK TECH LLC6 citations73
US10437326B2Oct 8, 2019

Backlight modulation for liquid crystal display with eyetracking for virtual reality

FACEBOOK TECH LLC4 citations73
US10636340B2Apr 28, 2020

Display with gaze-adaptive resolution enhancement

FACEBOOK TECH LLC2 citations72
US11391948B2Jul 19, 2022

Display illumination using a grating

FACEBOOK TECH LLC2 citations71
US11347071B1May 31, 2022

Display with a resolution enhanced region

FACEBOOK TECH LLC0 citations63
US11215881B2Jan 4, 2022

Switchable broadband waveplate

FACEBOOK TECH LLC0 citations63
US11143875B2Oct 12, 2021

Liquid crystal cells for polarization rotation

FACEBOOK TECH LLC0 citations63
US11055929B2Jul 6, 2021

Virtual camera position for head mounted display

FACEBOOK TECH LLC0 citations63
US10989928B2Apr 27, 2021

Thin see-through pancake lens assembly and display device including the same

FACEBOOK TECH LLC0 citations63
US10861240B1Dec 8, 2020

Virtual pupil camera in head mounted display

FACEBOOK TECH LLC1 citations63

META PLATFORMS TECH LLC

23 patents
US11513362B2Nov 29, 2022

Illumination system

META PLATFORMS TECH LLC3 citations73
US11852836B2Dec 26, 2023

Directional illuminator and display device with pupil steering by tiltable reflector

META PLATFORMS TECH LLC2 citations71
US12399360B1Aug 26, 2025

Enabling eye tracking in pancake lens optics

META PLATFORMS TECH LLC0 citations63
US12259553B2Mar 25, 2025

Geometrical waveguide illuminator and display based thereon

META PLATFORMS TECH LLC1 citations63
US11880113B2Jan 23, 2024

Varifocal system using hybrid tunable liquid crystal lenses

META PLATFORMS TECH LLC0 citations63
US11846797B2Dec 19, 2023

Optical waveguide beam splitter with reflective polarizers for display

META PLATFORMS TECH LLC0 citations63
US11714320B2Aug 1, 2023

Switchable broadband waveplate

META PLATFORMS TECH LLC0 citations63
US11675206B1Jun 13, 2023

Display with a resolution enhanced region

META PLATFORMS TECH LLC0 citations63
US11668929B2Jun 6, 2023

Achromatic optical lens assembly having Pancharatnam Berry Phase lens

META PLATFORMS TECH LLC0 citations63
US12424600B1Sep 23, 2025

Tiled display system for field of view expansion

META PLATFORMS TECH LLC0 citations62
US12204136B2Jan 21, 2025

Optical combiner with uniform illuminance throughput

META PLATFORMS TECH LLC0 citations62
US12099190B2Sep 24, 2024

Waveguide with polarization volume hologram grating

META PLATFORMS TECH LLC0 citations62
US11889717B2Jan 30, 2024

Light emission display element and device with polarized and angularly-controlled output

META PLATFORMS TECH LLC0 citations62
US11874474B1Jan 16, 2024

Optical system for multi-view eye-tracking

META PLATFORMS TECH LLC1 citations62
US11835728B2Dec 5, 2023

Eye tracking system

META PLATFORMS TECH LLC0 citations62
US11835729B2Dec 5, 2023

Illumination system

META PLATFORMS TECH LLC0 citations62
US11740471B2Aug 29, 2023

Display device with transparent illuminator

META PLATFORMS TECH LLC1 citations62
US11727891B2Aug 15, 2023

Integrated electronic and photonic backplane architecture for display panels

META PLATFORMS TECH LLC0 citations62
US11709411B2Jul 25, 2023

Display with image light steering

META PLATFORMS TECH LLC1 citations62
US11709308B2Jul 25, 2023

Optical waveguide beam splitter for directional illumination of display

META PLATFORMS TECH LLC0 citations62
US11675188B2Jun 13, 2023

Optical device having reduced diffraction artifacts for eye-tracking

META PLATFORMS TECH LLC0 citations62
US11619774B2Apr 4, 2023

Talbot pattern illuminator and display based thereon

META PLATFORMS TECH LLC1 citations62
US11592608B2Feb 28, 2023

Switchable polarization retarder array for active zonal illumination of display

META PLATFORMS TECH LLC0 citations62

UNIV CENTRAL FLORIDA RES FOUND INC

1 patent

OCULUS VR LLC

1 patent

Showing the top 50 of 76 patents by PatentIndex Score.