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 patentsUS10495798B1Dec 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 patentsUS11513362B2Nov 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 patentOCULUS VR LLC
1 patentShowing the top 50 of 76 patents by PatentIndex Score.