Changwon Jang

Person

Menlo Park, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Techniques for complex wavefront modulation
- Patent number 12,078,896
- Issue date Sep 3, 2024
- Meta Platforms, Inc.
- Changwon Jang
- G02 - OPTICS
Information Patent Grant
Gradient-index liquid crystal device with masked electrode boundary
- Patent number 11,803,077
- Issue date Oct 31, 2023
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Grant
Complex wavefront modulator with reduced thickness and fabrication...
- Patent number 11,782,305
- Issue date Oct 10, 2023
- Meta Platforms Technologies, LLC
- Changwon Jang
- G02 - OPTICS
Information Patent Grant
Segmented polarization selective device
- Patent number 11,747,655
- Issue date Sep 5, 2023
- Meta Platforms Technologies, LLC
- Changwon Jang
- G02 - OPTICS
Information Patent Grant
Display with holographic relay and holographic image combiner
- Patent number 11,662,582
- Issue date May 30, 2023
- Meta Platforms Technologies, LLC
- Gang Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical combiner including polarization-selective elements and swit...
- Patent number 11,619,815
- Issue date Apr 4, 2023
- Meta Platforms Technologies, LLC
- Gang Li
- G02 - OPTICS
Information Patent Grant
Systems and methods for eye tracking with spatially varying k-vectors
- Patent number 11,615,647
- Issue date Mar 28, 2023
- Meta Platforms Technologies, LLC
- Gregory Olegovic Andreev
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Freeform varifocal optical assembly
- Patent number 11,598,964
- Issue date Mar 7, 2023
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Grant
Techniques for complex wavefront modulation
- Patent number 11,567,375
- Issue date Jan 31, 2023
- Meta Platforms, Inc.
- Changwon Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Holographic near-eye display having pupil steering
- Patent number 11,561,510
- Issue date Jan 24, 2023
- Meta Platforms Technologies, LLC
- Andrew Maimone
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid crystal mixtures for pitch variable optical elements
- Patent number 11,262,638
- Issue date Mar 1, 2022
- Facebook Technologies, LLC
- Yingfei Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pitch variable optical devices and systems containing the same
- Patent number 10,890,823
- Issue date Jan 12, 2021
- Facebook Technologies, LLC
- Yingfei Jiang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
POLARIZATION-SELECTIVE VARIFOCAL LIQUID LENS
- Publication number 20240319509
- Publication date Sep 26, 2024
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
GRADIENT-INDEX LIQUID CRYSTAL LENS HAVING CURVED SURFACE SHAPE
- Publication number 20240264442
- Publication date Aug 8, 2024
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
METHOD AND APPARATUS FOR FILTERING NOISE FOR HOLOGRAPHIC DISPLAY
- Publication number 20240184244
- Publication date Jun 6, 2024
- Seoul National University R&DB Foundation
- Kiseung BANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HOLOGRAPHIC VR DISPLAY
- Publication number 20240168284
- Publication date May 23, 2024
- Meta Platforms Technologies, LLC
- Changwon Jang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOLOGRAPHIC VR DISPLAY
- Publication number 20240168290
- Publication date May 23, 2024
- Meta Platforms Technologies, LLC
- Changwon Jang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOLOGRAPHIC VR DISPLAY
- Publication number 20240168433
- Publication date May 23, 2024
- Meta Platforms Technologies, LLC
- Changwon Jang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GRADIENT-INDEX LIQUID CRYSTAL LENSES WITH ADJUSTABLE FLYBACK REGIONS
- Publication number 20240126134
- Publication date Apr 18, 2024
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
GRIN LC LENS DESIGN WITH VARIABLE RESISTANCE ELECTRODE
- Publication number 20240036432
- Publication date Feb 1, 2024
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE DISPLAY SYSTEM INCLUDING FREEFORM VOLUME GRATING
- Publication number 20230359041
- Publication date Nov 9, 2023
- Meta Platforms Technologies, LLC
- Changwon JANG
- G02 - OPTICS
Information Patent Application
HYBRID VARIFOCAL DEVICE AND SYSTEM
- Publication number 20230324672
- Publication date Oct 12, 2023
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONFIGURABLE MULTIFUNCTIONAL DISPLAY PANEL
- Publication number 20230314846
- Publication date Oct 5, 2023
- Meta Platforms Technologies, LLC
- Zhimin SHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR COMPUTER-GENERATED HOLOGRAM IMAGE AND VIDEO...
- Publication number 20230305489
- Publication date Sep 28, 2023
- Meta Platforms Technologies, LLC
- Changwon JANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FREEFORM VARIFOCAL OPTICAL ASSEMBLY
- Publication number 20230204964
- Publication date Jun 29, 2023
- Meta Platforms Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
SYSTEM AND METHOD FOR FABRICATING HOLOGRAPHIC OPTICAL ELEMENTS USIN...
- Publication number 20230185236
- Publication date Jun 15, 2023
- Meta Platforms Technologies, LLC
- Yun-Han LEE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TECHNIQUES FOR COMPLEX WAVEFRONT MODULATION
- Publication number 20230168548
- Publication date Jun 1, 2023
- META PLATFORMS, INC.
- Changwon JANG
- G02 - OPTICS
Information Patent Application
MULTI-VIEW EYE TRACKING SYSTEM WITH A HOLOGRAPHIC OPTICAL ELEMENT C...
- Publication number 20230152578
- Publication date May 18, 2023
- Meta Platforms Technologies, LLC
- Changwon JANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GEOMETRICAL WAVEGUIDE ILLUMINATOR AND DISPLAY BASED THEREON
- Publication number 20230107434
- Publication date Apr 6, 2023
- Facebook Technologies, LLC
- Miaomiao Xu
- G02 - OPTICS
Information Patent Application
TECHNIQUES FOR MULTI-LAYER LIQUID CRYSTAL ACTIVE LIGHT MODULATION
- Publication number 20230029109
- Publication date Jan 26, 2023
- Meta Platforms Technologies, LLC
- Zhimin SHI
- G02 - OPTICS
Information Patent Application
POLARIZATION-SELECTIVE VARIFOCAL LIQUID LENS
- Publication number 20220334393
- Publication date Oct 20, 2022
- Facebook Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
GRADIENT-INDEX LIQUID CRYSTAL DEVICE WITH MASKED ELECTRODE BOUNDARY
- Publication number 20220252931
- Publication date Aug 11, 2022
- Facebook Technologies, LLC
- Afsoon JAMALI
- G02 - OPTICS
Information Patent Application
TECHNIQUES FOR COMPLEX WAVEFRONT MODULATION
- Publication number 20220244592
- Publication date Aug 4, 2022
- META PLATFORMS, INC.
- Changwon JANG
- G02 - OPTICS
Information Patent Application
THREE-DIMENSIONAL BEAM STEERING DEVICE
- Publication number 20220197043
- Publication date Jun 23, 2022
- Facebook Technologies, LLC
- Changwon JANG
- G02 - OPTICS
Information Patent Application
SEGMENTED POLARIZATION SELECTIVE DEVICE
- Publication number 20220187631
- Publication date Jun 16, 2022
- Facebook Technologies, LLC
- Changwon JANG
- G02 - OPTICS
Information Patent Application
LIGHTGUIDE BASED HOLOGRAPHIC DISPLAY
- Publication number 20220091560
- Publication date Mar 24, 2022
- Facebook Technologies, LLC
- Changwon Jang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR HOLOGRAPHIC WAVE-FRONT PRINTING
- Publication number 20210364987
- Publication date Nov 25, 2021
- Facebook Technologies, LLC
- Gang LI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FREEFORM VARIFOCAL OPTICAL ASSEMBLY
- Publication number 20210231952
- Publication date Jul 29, 2021
- Facebook Technologies, LLC
- Afsoon Jamali
- G02 - OPTICS
Information Patent Application
OPTICAL COMBINER INCLUDING POLARIZATION-SELECTIVE ELEMENTS AND SWIT...
- Publication number 20210208396
- Publication date Jul 8, 2021
- Facebook Technologies, LLC
- Gang LI
- G02 - OPTICS
Information Patent Application
Display with Holographic Relay and Holographic Image Combiner
- Publication number 20210191125
- Publication date Jun 24, 2021
- Facebook Technologies, LLC
- Gang Li
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL MIXTURES FOR PITCH VARIABLE OPTICAL ELEMENTS
- Publication number 20210116776
- Publication date Apr 22, 2021
- Facebook Technologies, LLC
- Yingfei JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Changwon Jang

Person

Patents Grantslast 30 patents

Techniques for complex wavefront modulation

Gradient-index liquid crystal device with masked electrode boundary

Complex wavefront modulator with reduced thickness and fabrication...

Segmented polarization selective device

Display with holographic relay and holographic image combiner

Optical combiner including polarization-selective elements and swit...

Systems and methods for eye tracking with spatially varying k-vectors

Freeform varifocal optical assembly

Techniques for complex wavefront modulation

Holographic near-eye display having pupil steering

Liquid crystal mixtures for pitch variable optical elements

Pitch variable optical devices and systems containing the same

Patents Applicationslast 30 patents

POLARIZATION-SELECTIVE VARIFOCAL LIQUID LENS

GRADIENT-INDEX LIQUID CRYSTAL LENS HAVING CURVED SURFACE SHAPE

METHOD AND APPARATUS FOR FILTERING NOISE FOR HOLOGRAPHIC DISPLAY

HOLOGRAPHIC VR DISPLAY

HOLOGRAPHIC VR DISPLAY

HOLOGRAPHIC VR DISPLAY

GRADIENT-INDEX LIQUID CRYSTAL LENSES WITH ADJUSTABLE FLYBACK REGIONS

GRIN LC LENS DESIGN WITH VARIABLE RESISTANCE ELECTRODE

LIGHT GUIDE DISPLAY SYSTEM INCLUDING FREEFORM VOLUME GRATING

HYBRID VARIFOCAL DEVICE AND SYSTEM

CONFIGURABLE MULTIFUNCTIONAL DISPLAY PANEL

SYSTEMS AND METHODS FOR COMPUTER-GENERATED HOLOGRAM IMAGE AND VIDEO...

FREEFORM VARIFOCAL OPTICAL ASSEMBLY

SYSTEM AND METHOD FOR FABRICATING HOLOGRAPHIC OPTICAL ELEMENTS USIN...

TECHNIQUES FOR COMPLEX WAVEFRONT MODULATION

MULTI-VIEW EYE TRACKING SYSTEM WITH A HOLOGRAPHIC OPTICAL ELEMENT C...

GEOMETRICAL WAVEGUIDE ILLUMINATOR AND DISPLAY BASED THEREON

TECHNIQUES FOR MULTI-LAYER LIQUID CRYSTAL ACTIVE LIGHT MODULATION

POLARIZATION-SELECTIVE VARIFOCAL LIQUID LENS

GRADIENT-INDEX LIQUID CRYSTAL DEVICE WITH MASKED ELECTRODE BOUNDARY

TECHNIQUES FOR COMPLEX WAVEFRONT MODULATION

THREE-DIMENSIONAL BEAM STEERING DEVICE

SEGMENTED POLARIZATION SELECTIVE DEVICE

LIGHTGUIDE BASED HOLOGRAPHIC DISPLAY

SYSTEM AND METHOD FOR HOLOGRAPHIC WAVE-FRONT PRINTING

FREEFORM VARIFOCAL OPTICAL ASSEMBLY

OPTICAL COMBINER INCLUDING POLARIZATION-SELECTIVE ELEMENTS AND SWIT...

Display with Holographic Relay and Holographic Image Combiner

LIQUID CRYSTAL MIXTURES FOR PITCH VARIABLE OPTICAL ELEMENTS