Inventor
OH CHULWOO
US101 patents
⚠️ This page may combine multiple inventors who share the name “OH CHULWOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAGIC LEAP INC
43 patentsUS10466561B2Nov 5, 2019
Diffractive devices based on cholesteric liquid crystal
MAGIC LEAP INC57 citations98
US11435572B2Sep 6, 2022
Method and system for large field of view display with scanning reflector
MAGIC LEAP INC19 citations94
US11300844B2Apr 12, 2022
Display system with variable power reflector
MAGIC LEAP INC13 citations94
US11036109B2Jun 15, 2021
Variable-focus virtual image devices based on polarization conversion
MAGIC LEAP INC13 citations94
US10962855B2Mar 30, 2021
Display system with variable power reflector
MAGIC LEAP INC20 citations94
US11644675B2May 9, 2023
Ghost image mitigation in see-through displays with pixel arrays
MAGIC LEAP INC16 citations93
US11169380B2Nov 9, 2021
Ghost image mitigation in see-through displays with pixel arrays
MAGIC LEAP INC17 citations93
US11378864B2Jul 5, 2022
Waveguide light multiplexer using crossed gratings
MAGIC LEAP INC8 citations86
US11215895B2Jan 4, 2022
Variable-focus virtual image devices based on polarization conversion
MAGIC LEAP INC6 citations86
US11067860B2Jul 20, 2021
Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same
MAGIC LEAP INC11 citations86
US10895784B2Jan 19, 2021
Patterning of liquid crystals using soft-imprint replication of surface alignment patterns
MAGIC LEAP INC10 citations86
US11644669B2May 9, 2023
Depth based foveated rendering for display systems
MAGIC LEAP INC7 citations85
US11231612B2Jan 25, 2022
Broadband adaptive lens assembly with variable optical power for augmented reality display
MAGIC LEAP INC10 citations85
US11073695B2Jul 27, 2021
Eye-imaging apparatus using diffractive optical elements
MAGIC LEAP INC9 citations85
US11531244B2Dec 20, 2022
Wide field-of-view polarization switches with liquid crystal optical elements with pretilt
MAGIC LEAP INC7 citations84
US11256153B2Feb 22, 2022
Diffractive devices based on cholesteric liquid crystal
MAGIC LEAP INC4 citations84
US11187900B2Nov 30, 2021
Methods, devices, and systems for illuminating spatial light modulators
MAGIC LEAP INC7 citations84
US10921630B2Feb 16, 2021
Spatially variable liquid crystal diffraction gratings
MAGIC LEAP INC7 citations84
US10908423B2Feb 2, 2021
Multilayer liquid crystal diffractive gratings for redirecting light of wide incident angle ranges
MAGIC LEAP INC6 citations84
US11474358B2Oct 18, 2022
Systems and methods for retinal imaging and tracking
MAGIC LEAP INC10 citations83
US11079603B2Aug 3, 2021
Display system with spatial light modulator illumination for divided pupils
MAGIC LEAP INC5 citations83
US11269144B2Mar 8, 2022
Stacked waveguides having different diffraction gratings for combined field of view
MAGIC LEAP INC7 citations81
US12055721B2Aug 6, 2024
System for collecting light
MAGIC LEAP INC4 citations75
US12189128B2Jan 7, 2025
Depth based foveated rendering for display systems
MAGIC LEAP INC2 citations74
US11941881B2Mar 26, 2024
Method and system for pupil separation in a diffractive eyepiece waveguide display
MAGIC LEAP INC5 citations74
US11841481B2Dec 12, 2023
Augmented reality display with waveguide configured to capture images of eye and/or environment
MAGIC LEAP INC5 citations74
US12044952B2Jul 23, 2024
Waveguide light multiplexer using crossed gratings
MAGIC LEAP INC1 citations73
US12013537B2Jun 18, 2024
Time-multiplexed display of virtual content at various depths
MAGIC LEAP INC2 citations73
US12001091B2Jun 4, 2024
Spatially variable liquid crystal diffraction gratings
MAGIC LEAP INC1 citations73
US11714326B2Aug 1, 2023
Variable-focus virtual image devices based on polarization conversion
MAGIC LEAP INC2 citations73
US11668989B2Jun 6, 2023
Diffractive devices based on cholesteric liquid crystal
MAGIC LEAP INC1 citations73
US11656462B2May 23, 2023
Adaptive lens assemblies including polarization-selective lens stacks for augmented reality display
MAGIC LEAP INC1 citations73
US11609480B2Mar 21, 2023
Waveguide light multiplexer using crossed gratings
MAGIC LEAP INC3 citations73
US11586065B2Feb 21, 2023
Spatially variable liquid crystal diffraction gratings
MAGIC LEAP INC1 citations73
US11567320B2Jan 31, 2023
Methods, devices, and systems for illuminating spatial light modulators
MAGIC LEAP INC3 citations73
US11567371B2Jan 31, 2023
Patterning of liquid crystals using soft-imprint replication of surface alignment patterns
MAGIC LEAP INC2 citations73
US11119327B2Sep 14, 2021
Multilayer liquid crystal diffractive gratings for redirecting light of wide incident angle ranges
MAGIC LEAP INC2 citations73
US10976632B2Apr 13, 2021
Diffractive devices based on cholesteric liquid crystal
MAGIC LEAP INC3 citations73
US10890769B2Jan 12, 2021
Augmented reality display having liquid crystal variable focus element and roll-to-roll method and apparatus for forming the same
MAGIC LEAP INC2 citations73
US11828946B2Nov 28, 2023
Systems and methods for retinal imaging and tracking
MAGIC LEAP INC5 citations72
US11733523B2Aug 22, 2023
Diffractive optical elements with optical power
MAGIC LEAP INC2 citations72
US11467416B2Oct 11, 2022
Display system with spatial light modulator illumination for divided pupils
MAGIC LEAP INC1 citations72
US12072596B2Aug 27, 2024
Wide field-of-view polarization switches with liquid crystal optical elements with pretilt
MAGIC LEAP INC1 citations71
ESCUTI MICHAEL JAMES
3 patentsUS8339566B2Dec 25, 2012
Low-twist chiral liquid crystal polarization gratings and related fabrication methods
ESCUTI MICHAEL JAMES84 citations95
US8305523B2Nov 6, 2012
Multi-layer achromatic liquid crystal polarization gratings and related fabrication methods
ESCUTI MICHAEL JAMES9 citations82
US8537310B2Sep 17, 2013
Polarization-independent liquid crystal display devices including multiple polarization grating arrangements and related devices
ESCUTI MICHAEL JAMES11 citations81
UNIV NORTH CAROLINA STATE
2 patentsUS9195092B2Nov 24, 2015
Polarization-independent liquid crystal display devices including multiple polarizing grating arrangements and related devices
UNIV NORTH CAROLINA STATE81 citations96
US8520170B2Aug 27, 2013
Low-twist chiral optical layers and related fabrication methods
UNIV NORTH CAROLINA STATE38 citations93
ESCUTI MICHAEL J
1 patentAMAZON TECH INC
1 patentShowing the top 50 of 101 patents by PatentIndex Score.