ClassID:

173666

G02B2005/1804 - CPC Classification

Classification description:

Optical elements other than lenses; Diffraction gratings Transmission gratings

Recent Application in this class:
#1
20260056369
2026-02-26

MULTILAYER OPTICAL GRATINGS

#2
20260050177
2026-02-19

BINARY, FOURIER DOMAIN-SYNTHESIZED GRATINGS FOR MULTIPLE WAVELENGTH REFLECTORS

#3
20250347924
2025-11-13

Display System

#4
20250306399
2025-10-02

MYOPIA CORRECTIVE LENSES WITH A CONTINUOUS EFFECT DISTRIBUTION

#5
20250231321
2025-07-17

ANTI-REFLECTIVE COATINGS ON OPTICAL WAVEGUIDES

#6
20250189703
2025-06-12

LARGE-SCALE DISTRIBUTED PHOTOELECTRIC INTELLIGENT COMPUTING ARCHITECTURE AND CHIP SYSTEM

#7
20250164799
2025-05-22

DISPLAY APPARATUS FOR PROVIDING EXPANDED VIEWING WINDOW

#8
20250130355
2025-04-24

MULTI-LAYER DIELECTRIC COATINGS FOR HIGH-EFFICIENCY DIELECTRIC GRATINGS

#9
20250076660
2025-03-06

OPTICAL STRUCTURE FOR AUGMENTED REALITY DISPLAY

#10
20240418987
2024-12-19

METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS

#11
20240418341
2024-12-19

DIFFUSION MEMBER, STACKED BODY, DIFFUSION MEMBER SET, LED BACKLIGHT, AND DISPLAYING APPARATUS

#12
20240393510
2024-11-28

All-optical volumetric imaging via spectral sweep by means of a transmissive bragg grating featuring a radially dependent plane of diffraction

#13
20240295679
2024-09-05

OPTICAL MEMBER AND OPTICAL APPARATUS

#14
20240272452
2024-08-15

Display device

#15
20240264342
2024-08-08

DIFFRACTIVE OPTICS HAVING TRANSVERSELY DISTRIBUTED MULTIPLE FOCI

#16
20240159946
2024-05-16

DIFFRACTION GRATING ARRAY FOR WIDE-ANGLE ILLUMINATION

#17
20240159941
2024-05-16

Anti-reflective coatings on optical waveguides

#18
20240019708
2024-01-18

APPARATUS FOR SPECTRALLY COMBINING BROADBAND LASER BEAMS BY VOLUME BRAGG GRATINGS

#19
20230418075
2023-12-28

Display apparatus for providing expanded viewing window

#20
20230418074
2023-12-28

METASURFACES WITH ASYMETRIC GRATINGS FOR REDIRECTING LIGHT AND METHODS FOR FABRICATING

#21
20230417976
2023-12-28

Dual sided expansion waveguide

#22
20230393408
2023-12-07

APPARATUS FOR SPECTRALLY COMBINING BROADBAND LASER BEAMS BY VOLUME BRAGG GRATINGS

#23
20230384495
2023-11-30

GRATING PART AND MANUFACTURING METHOD THEREOF

#24
20230341696
2023-10-26

Optical structure for augmented reality display

#25
20230314673
2023-10-05

OPTICAL FILM HAVING MICRO-STRUCTURE AND DISPLAY DEVICE USING THE SAME

#26
20230314670
2023-10-05

Electronic pen

#27
20230244013
2023-08-03

OPTICAL ASSEMBLY

#28
20230236346
2023-07-27

TRANSPARENT PLATE AND FABRICATING METHOD THEREFOR, HOUSING, AND MOBILE TERMINAL

#29
20230194877
2023-06-22

Light flux diameter expanding element and image display device

#30
20230194857
2023-06-22

Method for designing diffractive optical element, diffractive optical element, and system for designing diffractive optical element

#31
20230152588
2023-05-18

System and method for optically combining virtual images into real world scenery

#32
20230137096
2023-05-04

Multilayered structures and uses thereof in security markings

#33
20230122662
2023-04-20

HIGH EFFICIENCY GRATING COUPLER FOR A LASER SOURCE

#34
20220413194
2022-12-29

DIFFRACTIVE OPTICAL ELEMENT

#35
20220397464
2022-12-15

Window-based temperature determination and/or display

#36
20220342138
2022-10-27

OPTICAL SYSTEM AND AIMING DEVICE

#37
20220326468
2022-10-13

System and method for interference fringe stabilization

#38
20220317451
2022-10-06

OPTICAL UNIT AND HEAD-MOUNTED DISPLAY DEVICE USING THE SAME

#39
20220299760
2022-09-22

Device components formed of geometric structures

#40
20220299683
2022-09-22

Diffraction grating array for wide-angle illumination

#41
20220283438
2022-09-08

Metasurfaces with asymetric gratings for redirecting light and methods for fabricating

#42
20220228722
2022-07-21

Diffusion member, stacked body, diffusion member set, LED backlight, and displaying apparatus

#43
20220206207
2022-06-30

Light-guide plate, manufacturing method for the same, light-guide plate module, and image display device

#44
20220179135
2022-06-09

Systems and methods for an improved camera system using directional optics to estimate depth

#45
20220163694
2022-05-26

Anti-reflective coatings on optical waveguides

#46
20220137404
2022-05-05

Methods and systems for generating virtual content display with a virtual or augmented reality apparatus

#47
20220088846
2022-03-24

Multilayered structures and uses thereof in security markings

#48
20220011585
2022-01-13

Diffractive optical device

#49
20210373337
2021-12-02

Display apparatus for providing expanded viewing window

#50
20210356748
2021-11-18

Methods and systems for high efficiency eyepiece in augmented reality devices

#51
20210333449
2021-10-28

Optical element and optical apparatus

#52
20210286113
2021-09-16

Optical film and optical system

#53
20210266521
2021-08-26

Directional pixel array for multiple view display

#54
20210239982
2021-08-05

Optical structure for augmented reality display

#55
20210191143
2021-06-24

STRUCTURED LIGHT GENERATION DEVICE AND DIFFRACTIVE OPTICAL ELEMENT THEREOF

#56
20210191131
2021-06-24

Light flux diameter expanding element and image display device

#57
20210141201
2021-05-13

Optical cross-coupling mitigation systems for wavelength beam combining laser systems

#58
20210137387
2021-05-13

Apparatus and method for confocal microscopy using dispersed structured illumination

#59
20210135423
2021-05-06

Methods and systems for spectral beam-combining

#60
20210120197
2021-04-22

Multi-mode interference coupler-based flat compressive and transform imager

#61
20210048163
2021-02-18

Vehicle lamp

#62
20210026051
2021-01-28

Multi-level diffractive optical element thin film coating

#63
20200408968
2020-12-31

Grating part and manufacturing method thereof

#64
20200393690
2020-12-17

Optical system having an improved signal-to-noise ratio of eye-tracking

#65
20200363574
2020-11-19

DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE COMPRISING SAME DIFFRACTIVE OPTICAL ELEMENT

#66
20200333590
2020-10-22

Compound Diffraction Grating and Method of Manufacture

#67
20200310010
2020-10-01

Wavelength beam combining laser systems utilizing prisms for beam quality improvement and bandwidth reduction

#68
20200249377
2020-08-06

DIFFRACTIVE OPTICAL DEVICE, ENDOSCOPIC PROBE, AND FABRICATION METHODS THEREFOR

#69
20200241182
2020-07-30

Low-contrast metasurfaces

#70
20200200954
2020-06-25

Diffraction grating array for wide-angle illuminateon

#71
20200150437
2020-05-14

Metasurfaces with asymmetric gratings for redirecting light and methods for fabricating

#72
20200092535
2020-03-19

Directional pixel array for multiple view display

#73
20200081168
2020-03-12

REPLICA OPTICAL ELEMENT

#74
20200081167
2020-03-12

Apparatus and method for forming a diffraction grating and printed article including a diffraction grating

#75
20200057286
2020-02-20

Optical cross-coupling mitigation systems for wavelength beam combining laser systems

#76
20200057182
2020-02-20

Low-contrast metasurfaces

#77
20200004036
2020-01-02

Diffractive optical device providing structured light

#78
20190391460
2019-12-26

Optical assembly and method for influencing the beam direction of at least one light beam

#79
20190324365
2019-10-24

Patterning device

#80
20190265491
2019-08-29

Wavelength beam combining laser systems utilizing prisms for beam quality improvement and bandwidth reduction

#81
20190227321
2019-07-25

Rainbow reduction in waveguide displays

#82
20190223729
2019-07-25

Apparatus and method for confocal microscopy using dispersed structured illumination

#83
20190219828
2019-07-18

Light flux diameter expanding element and image display device

#84
20190215510
2019-07-11

Directional pixel for multiple view display

#85
20190179057
2019-06-13

Anti-reflective coatings on optical waveguides

#86
20190137861
2019-05-09

Patterning device

#87
20190137667
2019-05-09

TIR IMAGE DISPLAY WITH AN INDEX PERTURBATION ARRAY

#88
20190132534
2019-05-02

Multi-mode interference coupler-based flat compressive and transform imager

#89
20190094536
2019-03-28

Methods and systems for generating virtual content display with a virtual or augmented reality apparatus

#90
20190079224
2019-03-14

Diffractive optical element and method for the manufacture thereof

#91
20190056542
2019-02-21

Multi-level diffractive optical element thin film coating

#92
20190041659
2019-02-07

Structured light generation device and diffractive optical element thereof

#93
20190039401
2019-02-07

Laminate, personal verification medium, and method of producing the laminate

#94
20190024874
2019-01-24

Lighting device

#95
20190011708
2019-01-10

Double-sided imaging light guide with embedded dichroic filters

#96
20180373008
2018-12-27

Optical cross-coupling mitigation systems for wavelength beam combining laser systems

#97
20180340859
2018-11-29

DOE defect monitoring utilizing total internal reflection

#98
20180313977
2018-11-01

Diffractive antiglare in a multi-layered display

#99
20180259690
2018-09-13

Optical system and image pickup apparatus including the same

#100
20180255286
2018-09-06

Directional pixel for multiple view display

#101
20180252850
2018-09-06

OPTICAL DEVICE

#102
20180246372
2018-08-30

Panel structure, its manufacturing method, and projection system

#103
20180246330
2018-08-30

Near-eye display, system and method

#104
20180246262
2018-08-30

Low-contrast metasurfaces

#105
20180196276
2018-07-12

Optical structure

#106
20180191953
2018-07-05

Optical systems and methods supporting diverse optical and computational functions

#107
20180180793
2018-06-28

Diffractive backlight display and system

#108
20180081235
2018-03-22

Display panel and display device

#109
20180081170
2018-03-22

Compound diffraction grating and method of manufacture

#110
20180080851
2018-03-22

DOE defect monitoring utilizing total internal reflection

#111
20180045953
2018-02-15

Device components formed of geometric structures

#112
20170363847
2017-12-21

Optical cross-coupling mitigation systems for wavelength beam combining laser systems

#113
20170322418
2017-11-09

Metasurfaces with asymmetric gratings for redirecting light and methods for fabricating

#114
20170299864
2017-10-19

Waveguides with extended field of view

#115
20170248789
2017-08-31

Light flux diameter expanding element and image display device

#116
20170235153
2017-08-17

Wide spectral band subwavelength diffractive component

#117
20170205632
2017-07-20

Wavelength beam combining laser systems utilizing prisms for beam quality improvement and bandwidth reduction

#118
20170194065
2017-07-06

Charged particle beam device, optical device, irradiation method, diffraction grating system, and diffraction grating

#119
20170192168
2017-07-06

Forming an optical grating with an apparatus providing an adjustable interference pattern

#120
20170167717
2017-06-15

DIFFRACTIVE AND PRISMATIC OLED WIRELESS AND LED WIRELESS UNDERWATER POOL LIGHT SOURCES

#121
20170086308
2017-03-23

DISPLAY DEVICE

#122
20170082787
2017-03-23

Optical element

#123
20170075127
2017-03-16

Engineered antiglare surface to reduce display sparkle

#124
20170025756
2017-01-26

ELECTROMAGNETIC BEAM STEERING ANTENNA

#125
20170013256
2017-01-12

Display device

#126
20160377559
2016-12-29

X-ray interferometer

#127
20160341901
2016-11-24

Wavelength dispersing device

#128
20160299270
2016-10-13

Kirigami patterned polymeric materials and tunable optic devices made therefrom

#129
20160161727
2016-06-09

Optical cross-coupling mitigation systems for wavelength beam combining laser systems

#130
20150362641
2015-12-17

High index contrast grating structure for light manipulation and related method

#131
20150346490
2015-12-03

Methods and systems for generating virtual content display with a virtual or augmented reality apparatus

#132
20150309220
2015-10-29

Reflective diffraction gratings employing efficiency enhancement or etch barrier layers

#133
20150192712
2015-07-09

Fresnel zone plate

#134
20150145084
2015-05-28

Diffraction grating with multiple periodic widths

#135
20150077535
2015-03-19

Systems and methods for structured illumination super-resolution phase microscopy

#136
20150036103
2015-02-05

TRANSMISSION DIFFRACTIVE OPTICAL ELEMENT AND MEASURING DEVICE

#137
20150022893
2015-01-22

Diffraction Grating and Method for the Production Thereof

#138
20140363338
2014-12-11

Spectral apparatus, detection apparatus, light source apparatus, reaction apparatus, and measurement apparatus

#139
20140300968
2014-10-09

Cascade method and apparatus for generating increased duality modulation of electromagnetic radiation

#140
20140293426
2014-10-02

Lens with an extended range of focus

#141
20140285894
2014-09-25

Phase grating with three-dimensional configuration

#142
20140247493
2014-09-04

OBJECTIVE LENS ELEMENT

#143
20140177039
2014-06-26

Sub-wavelength extreme ultraviolet metal transmission grating and manufacturing method thereof

#144
20130108015
2013-05-02

X-RAY INTERFEROMETER

#145
20120300307
2012-11-29

Engineered antiglare surface to reduce display sparkle

#146
20120170122
2012-07-05

Objective lens element

#147
20120075702
2012-03-29

Phase grating with three-dimensional configuration

#148
20100096359
2010-04-22

Method for forming phase grating

#149
20090273840
2009-11-05

WAVELENGTH DISPERSING DEVICE

#150
20060268553
2006-11-30

Method and apparatus for gem stone enhancement

#151
17208220
2024-01-30

Nanofabricated volume gratings

#152
16035642
2020-11-03

Monitoring DOE performance using total internal reflection

#153
15352624
2018-08-14

Monitoring DOE performance using total internal reflection

#154
14587342
2017-07-18

Deployable structure

#155
14216058
2018-02-13

Combined temporal/hyperspectral imager