Patents-Review.com
ClassID:

173672 ⎘

G02B5/1833 - CPC Classification

Classification description:

Optical elements other than lenses; Diffraction gratings comprising birefringent materials

Recent Application in this class:
#1
20260117126
2026-04-30

COMPOSITION, OPTICALLY ANISOTROPIC LAYER, CURED FILM, AND DIFFRACTION ELEMENT

 #2
20260098993
2026-04-09

BIREFRINGENCE COMPENSATION FOR OPTICAL METASURFACES

 #3
20260043953
2026-02-12

CHOLESTERIC LIQUID CRYSTAL LAYER, METHOD OF FORMING CHOLESTERIC LIQUID CRYSTAL LAYER, LAMINATE, LIGHT GUIDE ELEMENT, AND IMAGE DISPLAY DEVICE

 #4
20260033282
2026-01-29

Single-Material Waveplates for Pupil Polarization Filtering

 #5
20250347951
2025-11-13

BROADBAND ADAPTIVE LENS ASSEMBLY FOR AUGMENTED REALITY DISPLAY

 #6
20250291218
2025-09-18

LIQUID CRYSTAL DIFFRACTIVE DEVICES WITH NANO-SCALE PATTERN AND METHODS OF MANUFACTURING THE SAME

 #7
20250264648
2025-08-21

DISPLAY SYSTEM WITH OPTICAL ELEMENTS FOR IN-COUPLING MULTIPLEXED LIGHT STREAMS

 #8
20250251534
2025-08-07

POLARIZATION DIFFRACTION ELEMENT, OPTICAL ELEMENT, AND OPTICAL DEVICE

 #9
20250138234
2025-05-01

STACKED WAVEGUIDES HAVING DIFFERENT DIFFRACTION GRATINGS FOR COMBINED FIELD OF VIEW

 #10
20250123513
2025-04-17

SPATIALLY VARIABLE LIQUID CRYSTAL DIFFRACTION GRATINGS

 #11
20250001635
2025-01-02

OPTICAL SHEET MANUFACTURING METHOD AND OPTICAL SHEET MANUFACTURING APPARATUS

 #12
20240427066
2024-12-26

LIQUID CRYSTAL OPTICAL ELEMENT AND MANUFACTURING METHOD OF THE SAME

 #13
20240427065
2024-12-26

DIFFRACTION ELEMENT

 #14
20240361505
2024-10-31

MANUFACTURING METHOD OF LIQUID CRYSTAL OPTICAL ELEMENT

 #15
20240280851
2024-08-22

Spatially variable liquid crystal diffraction gratings

 #16
20240272339
2024-08-15

POLARIZATION GRATINGS HAVING LARGE DIFFRACTION ANGLE, HIGH EFFICIENCY, HIGH DEGREE OF CIRCULAR POLARIZATION OUTPUT

 #17
20240255796
2024-08-01

BROADBAND ADAPTIVE LENS ASSEMBLY FOR AUGMENTED REALITY DISPLAY

 #18
20240134096
2024-04-25

INNOVATIVE SOLUTIONS TO IMPROVE LASER DAMAGE THRESHOLDS OF OPTICAL STRUCTURES

 #19
20240069257
2024-02-29

CHOLESTERIC LIQUID CRYSTAL LAYER, METHOD OF FORMING CHOLESTERIC LIQUID CRYSTAL LAYER, LAMINATE, LIGHT GUIDE ELEMENT, AND IMAGE DISPLAY DEVICE

 #20
20240012191
2024-01-11

Stacked waveguides having different diffraction gratings for combined field of view

 #21
20230384499
2023-11-30

DISPLAY SYSTEM WITH OPTICAL ELEMENTS FOR IN-COUPLING MULTIPLEXED LIGHT STREAMS

 #22
20230375764
2023-11-23

Liquid crystal optical element and method for manufacturing the same

 #23
20230324660
2023-10-12

OPTICAL SYSTEM

 #24
20230296945
2023-09-21

LIQUID CRYSTAL DIFFRACTIVE DEVICES WITH NANO-SCALE PATTERN AND METHODS OF MANUFACTURING THE SAME

 #25
20230258849
2023-08-17

LIQUID CRYSTAL OPTICAL ELEMENT

 #26
20230251414
2023-08-10

WAVEGUIDE, WAVEGUIDE PRODUCTION METHOD, AND POLARISATION SPLITTER USING SAID WAVEGUIDE

 #27
20230244012
2023-08-03

Transmissive liquid crystal diffraction element

 #28
20230187242
2023-06-15

Reflective waveplates for pupil polarization filtering

 #29
20230187241
2023-06-15

Single-Material Waveplates for Pupil Polarization Filtering

 #30
20230152622
2023-05-18

Spatially variable liquid crystal diffraction gratings

 #31
20220403245
2022-12-22

CURED PRODUCT, CURABLE RESIN COMPOSITION, OPTICAL MEMBER, LENS, DIFFRACTIVE OPTICAL ELEMENT, MULTILAYER DIFFRACTIVE OPTICAL ELEMENT, AND COMPOUND

 #32
20220390760
2022-12-08

PLANAR-OPTICS BASED LIGHT DELIVERY SYSTEM FOR MAGNETO-OPTICAL TRAPS AND METHOD FOR USING THE SAME

 #33
20220373726
2022-11-24

CHOLESTERIC LIQUID CRYSTAL FILM AND MANUFACTURING METHOD THEREOF

 #34
20220317624
2022-10-06

System and method for fabricating liquid crystal polarization holograms

 #35
20220276499
2022-09-01

Thin liquid crystal stack for polarization conversion

 #36
20220252772
2022-08-11

HIGH EFFICIENCY INFRARED REFLECTOR HAVING REDUCED COLOR

 #37
20220206205
2022-06-30

Systems and methods for parallel polarization analysis

 #38
20220155525
2022-05-19

Stacked waveguides having different diffraction gratings for combined field of view

 #39
20220146888
2022-05-12

Broadband adaptive lens assembly for augmented reality display

 #40
20220146742
2022-05-12

Backlight unit and liquid crystal display device

 #41
20220137411
2022-05-05

Phase structure on volume Bragg grating-based waveguide display

 #42
20220137410
2022-05-05

PHASE STRUCTURE ON SURFACE-RELIEF GRATING-BASED WAVEGUIDE DISPLAY

 #43
20220128734
2022-04-28

High-aspect ratio metalens

 #44
20220099872
2022-03-31

Cholesteric liquid crystal layer, method of forming cholesteric liquid crystal layer, laminate, light guide element, and image display device

 #45
20220043195
2022-02-10

High efficiency infrared reflector having reduced color

 #46
20210341775
2021-11-04

Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same

 #47
20210341661
2021-11-04

Virtual and augmented reality systems and methods

 #48
20210311351
2021-10-07

Spatially variable liquid crystal diffraction gratings

 #49
20210263210
2021-08-26

Waveguide, manufacturing method of said waveguide and polarisation splitter which makes use of said waveguide

 #50
20210263201
2021-08-26

Innovative solutions to improve laser damage thresholds of optical structures

 #51
20210199868
2021-07-01

Display system with optical elements for in-coupling multiplexed light streams

 #52
20210011300
2021-01-14

Display device

 #53
20210011206
2021-01-14

Diffractive optical element and device

 #54
20200271842
2020-08-27

Optical element and production method for optical element

 #55
20200271840
2020-08-27

Virtual and augmented reality systems and methods

 #56
20200271839
2020-08-27

Optical element

 #57
20200150324
2020-05-14

High-efficiency wide-angle beam steering system

 #58
20200150323
2020-05-14

Diffractive waveplate lenses and applications

 #59
20200096684
2020-03-26

Innovative solutions for improving laser damage performance of multi-layer dielectric gratings

 #60
20200033713
2020-01-30

Adjustable light distribution for active depth sensing systems

 #61
20200033711
2020-01-30

Adjustable light projector for flood illumination and active depth sensing

 #62
20200033710
2020-01-30

Adjustable light distribution for active depth sensing systems

 #63
20200033509
2020-01-30

Zoned optical waveplate

 #64
20200025986
2020-01-23

Diffractive waveplate lenses and applications

 #65
20190369455
2019-12-05

Dynamic refractive index control for beam shaping utilizing variable electrokinetic optic

 #66
20190302331
2019-10-03

Segmented birefringent chromatic beam shaping device

 #67
20190227492
2019-07-25

Display device

 #68
20190227375
2019-07-25

Broadband adaptive lens assembly with variable optical power for augmented reality display

 #69
20190227211
2019-07-25

Display system with optical elements for in-coupling multiplexed light streams

 #70
20190204492
2019-07-04

ACTIVE PHASE MODULATOR AND BEAM STEERING DEVICE

 #71
20190154896
2019-05-23

Optical device and display device

 #72
20190086597
2019-03-21

Optical element

 #73
20180360657
2018-12-20

Birefringent lens for laser beam delivery

 #74
20180143485
2018-05-24

Spatially variable liquid crystal diffraction gratings

 #75
20180120484
2018-05-03

Diffractive waveplate lenses and applications

 #76
20180074340
2018-03-15

Waveguide comprising a bragg polarization grating

 #77
20180039003
2018-02-08

Diffractive waveplate lenses for correcting aberrations and polarization-independent functionality

 #78
20170115435
2017-04-27

Broadband imaging with diffractive waveplate coated mirrors and diffractive waveplate objective lens

 #79
20170010488
2017-01-12

Virtual and augmented reality systems and methods

 #80
20170010466
2017-01-12

Display system with optical elements for in-coupling multiplexed light streams

 #81
20160370599
2016-12-22

Diffractive mirrors and diffractive telescopes with corrected temporal dispersion

 #82
20160341855
2016-11-24

Grating apparatus for target phase changes

 #83
20160209560
2016-07-21

Diffractive Waveplate Lenses and Applications

 #84
20160161648
2016-06-09

METHOD OF FABRICATING LARGE AREA BIREFRINGENT GRATING FILMS

 #85
20160116754
2016-04-28

Dielectric Polarizing Beam Splitter

 #86
20160047956
2016-02-18

Diffractive waveplate lenses and applications

 #87
20160047955
2016-02-18

Diffractive Waveplate Lenses for Correcting Aberrations and Polarization-Independent Functionality

 #88
20160033698
2016-02-04

Bragg liquid crystal polarization gratings

 #89
20160025914
2016-01-28

Dielectric metasurface optical elements

 #90
20150301356
2015-10-22

Methods and apparatus for human vision correction using diffractive waveplate lenses

 #91
20150241845
2015-08-27

Security elements and method for their manufacture

 #92
20150205182
2015-07-23

Polarization gratings for oblique incidence angles

 #93
20140144506
2014-05-29

Grating structure for dividing light

 #94
20130271837
2013-10-17

Optical resin composition and use thereof

 #95
20130107195
2013-05-02

Light absorption anisotropic film, polarizing film, process for producing the polarizing film and display device using the polarizing film

 #96
20120105962
2012-05-03

Non-periodic grating reflectors with focusing power and methods for fabricating the same

 #97
20120086903
2012-04-12

POLARIZATION GRATINGS IN MESOGENIC FILMS

 #98
20120061470
2012-03-15

Identification and authentication using polymeric liquid crystal material markings

 #99
20110304782
2011-12-15

Phase-type diffraction device, manufacturing method thereof and image pick-up apparatus

 #100
20110285956
2011-11-24

Phase-type diffraction device, manufacturing method thereof and image pick-up apparatus

 #101
20110139234
2011-06-16

Grating structure for dividing light

 #102
20100264295
2010-10-21

Beam shaping without introducing divergence within a light beam

 #103
20100231847
2010-09-16

Methods of fabricating liquid crystal polarization gratings on substrates and related devices

 #104
20100225876
2010-09-09

Low-twist chiral liquid crystal polarization gratings and related fabrication methods

 #105
20100225856
2010-09-09

Multi-layer achromatic liquid crystal polarization gratings and related fabrication methods

 #106
20100110363
2010-05-06

Polarization gratings in mesogenic films

 #107
20090279100
2009-11-12

SCALE AND READHEAD

 #108
20080278675
2008-11-13

Polarization gratings in mesogenic films

 #109
20080106806
2008-05-08

Optical Device with Fresnel Structure

 #110
20070217013
2007-09-20

Optical system of an illumination device of a projection exposure apparatus

 #111
20070031140
2007-02-08

Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter

 #112
20070002447
2007-01-04

Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive

 #113
20060268413
2006-11-30

Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive

 #114
20060193235
2006-08-31

Diffraction element and optical head device

 #115
20060141218
2006-06-29

Uniaxially oriented articles having structured surface

 #116
20060120710
2006-06-08

Optical apparatus and image-taking system

 #117
20060001969
2006-01-05

Gratings, related optical devices and systems, and methods of making such gratings

 #118
20050083562
2005-04-21

Optical scanning device

 #119
20050073747
2005-04-07

Diffractive optical element, manufacturing method thereof, optical pickup apparatus and optical disk drive apparatus

 #120
20050046946
2005-03-03

Wave plate and optical device using the same

 #121
17124703
2021-12-28

Liquid crystal grating and fabrication method thereof, and display device

 #122
16293122
2021-11-16

Polarization-independent diffractive optical structures

 #123
16054116
2020-07-14

Fabricating of diffraction grating by ion beam etching