ClassID:

174917

G02B27/425 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in illumination systems

Recent Application in this class:
#1
20250355266
2025-11-20

OPTICAL ELEMENTS PROVIDING COLLIMATION AND FAN-OUT OR DIFFUSION

#2
20250216689
2025-07-03

APPARATUS AND METHODS FOR TRANSMITTING LIGHT

#3
20250155696
2025-05-15

TANDEM ADAPTIVE OPTICS AND FASCILE MULTI-COLOR ADVANCES TO STRUCTURED ILLUMINATION MICROSCOPY

#4
20240329386
2024-10-03

DYNAMIC LIGHT PATTERN GENERATOR

#5
20240288695
2024-08-29

HOLOGRAPHIC OPTICAL ELEMENT VIEWFINDER

#6
20240125987
2024-04-18

ZONAL OPTICAL ELEMENTS

#7
20240036344
2024-02-01

OPTICAL APPARATUS AND THREE-DIMENSIONAL MODELING APPARATUS

#8
20230397968
2023-12-14

MULTIPLE-INPUT-COUPLED ILLUMINATED MULTI-SPOT LASER PROBE

#9
20230251410
2023-08-10

Beam expander and method of operating the same

#10
20230251407
2023-08-10

TRANSMISSIVE DIFFRACTION GRATING

#11
20230213779
2023-07-06

DIFFRACTIVE OPTICAL ELEMENTS

#12
20230213620
2023-07-06

Projector with spatial light modulation

#13
20230194426
2023-06-22

Reduced dimensionality structured illumination microscopy with patterned arrays of nanowells

#14
20230060915
2023-03-02

Illumination system

#15
20230023995
2023-01-26

DISPLAY ILLUMINATION USING A GRATING

#16
20220308354
2022-09-29

Apparatus and methods for transmitting light

#17
20220290976
2022-09-15

Designing and constructing dot projectors for three-dimensional sensor modules

#18
20220264073
2022-08-18

Light-Deflection Three-Dimensional Imaging Device and Projection Device, and Application Thereof

#19
20220252893
2022-08-11

LIGHT PROJECTION APPARATUS

#20
20220221732
2022-07-14

SYSTEMS AND METHODS FOR FABRICATING MICROSTRUCTURES

#21
20220163897
2022-05-26

OPTICAL ILLUMINATION SYSTEM FOR GUIDING EUV RADIATION

#22
20220146847
2022-05-12

Structured light projector

#23
20220146846
2022-05-12

Structured light projector

#24
20220026621
2022-01-27

Beam expander and method of operating the same

#25
20210405365
2021-12-30

Method and apparatus for generating input images for holographic waveguide displays

#26
20210399530
2021-12-23

Vertical-cavity surface-emitting laser array with a tilted emitter pattern

#27
20210397013
2021-12-23

Ultra-compact, highly stable projector modules

#28
20210397012
2021-12-23

Optical element including at least two diffractive layers

#29
20210396914
2021-12-23

PROJECTOR INCLUDING META-LENS

#30
20210364772
2021-11-25

Reduced dimensionality structured illumination microscopy with patterned arrays of nanowells

#31
20210349327
2021-11-11

Eye tracking system

#32
20210349326
2021-11-11

Illumination system

#33
20210286189
2021-09-16

Structured light projector including an integrated metalens and diffractive optical element

#34
20210271013
2021-09-02

GRATING COUPLED LIGHT GUIDE

#35
20210270601
2021-09-02

Nanostructured optical element, depth sensor, and electronic device

#36
20210255472
2021-08-19

Luminaires and optical elements for use therein

#37
20210191143
2021-06-24

STRUCTURED LIGHT GENERATION DEVICE AND DIFFRACTIVE OPTICAL ELEMENT THEREOF

#38
20210191097
2021-06-24

Method and device for illuminating a sample plane

#39
20210181391
2021-06-17

A Field-Enhancing Device

#40
20210157161
2021-05-27

OPTICAL SHEET, LASER PROJECTION MODULE, DEPTH CAMERA, AND ELECTRONIC DEVICE USING SAME

#41
20210141199
2021-05-13

SMALL SCALE LIGHT PROJECTION DEVICE FACILITATING THE STRUCTURING OF LIGHT EMITTED FOR DEPTH-CALCULATING PURPOSES

#42
20210124181
2021-04-29

Projection module, structured light three-dimensional imaging device and electronic apparatus

#43
20210116546
2021-04-22

Projector with spatial light modulation

#44
20210103208
2021-04-08

Optical multiplexer and image projection apparatus using the same

#45
20210080075
2021-03-18

Illumination optical system

#46
20210072543
2021-03-11

Display illumination using a grating

#47
20210063718
2021-03-04

Portable quantitative phase microscope for material metrology and biological imaging

#48
20210033838
2021-02-04

Apparatuses and methods for multi-direction digital scanned light sheet microscopy

#49
20210033765
2021-02-04

Light irradiation device and sensor

#50
20200396362
2020-12-17

Imaging device based on lens assembly with embedded filter

#51
20200387004
2020-12-10

Structured light projection module and depth camera

#52
20200386540
2020-12-10

Resolving multipath interference using a mixed active depth system

#53
20200379561
2020-12-03

In-field illumination and imaging for eye tracking

#54
20200371372
2020-11-26

OPTICAL COMPONENT, OPTICAL DEVICE, AND ELECTRONIC DEVICE USING SAME

#55
20200355929
2020-11-12

Holographic optical elements for eye-tracking illumination

#56
20200355494
2020-11-12

STRUCTURED LIGHT PROJECTION

#57
20200348531
2020-11-05

Laser illumination device

#58
20200348508
2020-11-05

LIGHT PATTERN GENERATOR

#59
20200333135
2020-10-22

Patterned light projection apparatus and method

#60
20200333131
2020-10-22

STRUCTURED LIGHT ILLUMINATORS INCLUDING A CHIEF RAY CORRECTOR OPTICAL ELEMENT

#61
20200322589
2020-10-08

Light-Deflection Three-Dimensional Imaging Device and Projection Device, and Application Thereof

#62
20200319442
2020-10-08

LIGHT PATTERN GENERATOR

#63
20200318805
2020-10-08

Illumination device

#64
20200301165
2020-09-24

Mode-switchable backlight, display, and method

#65
20200292839
2020-09-17

Mini-interconnect capacitor

#66
20200292306
2020-09-17

3D CAMERA SYSTEM WITH ROLLING-SHUTTER IMAGE SENSOR

#67
20200271991
2020-08-27

Display panel, manufacturing method thereof, and display device

#68
20200259982
2020-08-13

Imaging device based on lens assembly with embedded filter

#69
20200257128
2020-08-13

State detection device

#70
20200249428
2020-08-06

Imaging device

#71
20200249012
2020-08-06

PROJECTOR, CAMERA MODULE, AND TERMINAL DEVICE

#72
20200232786
2020-07-23

Measurement of a change in a geometrical characteristic and/or position of a workpiece

#73
20200225502
2020-07-16

Optical elements for displays

#74
20200225501
2020-07-16

Generating structured light

#75
20200218080
2020-07-09

Structured light projection module for projecting unrelated patterns

#76
20200218052
2020-07-09

Multi-arm structured illumination imaging

#77
20200209643
2020-07-02

DIFFRACTIVE ILLUMINATION DEVICE WITH INCREASED DIFFRACTION ANGLE

#78
20200201064
2020-06-25

TOF depth sensor based on laser speckle projection and distance measuring method thereof

#79
20200201062
2020-06-25

Structured light module with fastening element

#80
20200201057
2020-06-25

Diffractive optical beam shaping element

#81
20200192071
2020-06-18

Dual optical grating slide structured illumination imaging

#82
20200151892
2020-05-14

Shifting diffractive optical element for adjustable depth sensing resolution

#83
20200150419
2020-05-14

Camera assembly with programmable diffractive optical element for depth sensing

#84
20200103639
2020-04-02

Reduced dimensionality structured illumination microscopy with patterned arrays of nanowells

#85
20200073097
2020-03-05

Structure light module using vertical cavity surface emitting laser array and folding optical element

#86
20200004036
2020-01-02

Diffractive optical device providing structured light

#87
20190364226
2019-11-28

DOT PROJECTOR AND METHOD FOR CAPTURING IMAGE USING DOT PROJECTOR

#88
20190361523
2019-11-28

In-field illumination and imaging for eye tracking

#89
20190346687
2019-11-14

INTEGRATED STRUCTURE OF FLOOD ILLUMINATOR AND DOT PROJECTOR

#90
20190339541
2019-11-07

Diffractive optical element and preparation method

#91
20190331988
2019-10-31

OPTICAL PROJECTOR MODULE

#92
20190310541
2019-10-10

Diffractive optical assembly, laser projection unit, and depth camera

#93
20190293954
2019-09-26

Light source module, sensing device and method for generating superposition structured patterns

#94
20190278099
2019-09-12

Laser projection module, depth camera and electronic device

#95
20190265496
2019-08-29

Projector module

#96
20190259927
2019-08-22

Lighting apparatus and laser diode module

#97
20190250423
2019-08-15

Micro light emitting diode display panel

#98
20190249984
2019-08-15

Structured light projector

#99
20190246079
2019-08-08

PROJECTION DISPLAY UNIT

#100
20190227421
2019-07-25

Integrated light pipe for optical projection

#101
20190227335
2019-07-25

Transparent display and method

#102
20190219822
2019-07-18

Method and Apparatus for Generating Input Images for Holographic Waveguide Displays

#103
20190212573
2019-07-11

Laser illumination device

#104
20190196215
2019-06-27

Mobile terminal including diffractive optical element moved different distances to irradiate different light patterns on a subject

#105
20190196179
2019-06-27

Packaging for compact object-scanning modules

#106
20190175300
2019-06-13

Multiple-input-coupled illuminated multi-spot laser probe

#107
20190162981
2019-05-30

Optical sensing device and structured light projector

#108
20190155046
2019-05-23

Eye-tracking system positioning diffractive couplers on waveguide

#109
20190154437
2019-05-23

Structured light sensing for 3D sensing

#110
20190146354
2019-05-16

Spatial light modulator, exposure apparatus, and method for manufacturing device

#111
20190137665
2019-05-09

Projector including meta-lens

#112
20190129085
2019-05-02

Holographic waveguide apparatus for structured light projection

#113
20190086776
2019-03-21

Structured-light projector

#114
20190086681
2019-03-21

Structured-light projector

#115
20190072776
2019-03-07

Lighting device

#116
20190068853
2019-02-28

STRUCTURED LIGHT AND FLOOD FILL LIGHT ILLUMINATOR

#117
20190067898
2019-02-28

Laser component, use of a laser component, device having laser component and method of producing laser components

#118
20190066316
2019-02-28

Shifting diffractive optical element for adjustable depth sensing resolution

#119
20190049720
2019-02-14

Camera assembly with programmable diffractive optical element for depth sensing

#120
20190049235
2019-02-14

Nanostructured optical element, depth sensor, and electronic device

#121
20190049079
2019-02-14

LED solar simulator and method of use

#122
20190041659
2019-02-07

Structured light generation device and diffractive optical element thereof

#123
20190033604
2019-01-31

Projection lens system, projection apparatus, sensing module and electronic device

#124
20190018137
2019-01-17

Optical projector having switchable light emission patterns

#125
20190013497
2019-01-10

Organic light-emitting diodes comprising grating structures and light extraction layers

#126
20180343400
2018-11-29

Spherical infrared emitter

#127
20180262751
2018-09-13

Supersampled 3D display with improved angular resolution

#128
20180213206
2018-07-26

MODIFYING ILLUMINATION PROFILE FOR LIGHT SOURCE

#129
20180209847
2018-07-26

Light source having a controllable spectrum

#130
20180203247
2018-07-19

Generation of coded structured light patterns using VCSEL arrays

#131
20180188642
2018-07-05

Integrated light pipe for optical projection

#132
20180164411
2018-06-14

Optical lens having a high refractive index for robustness to liquid immersion

#133
20180143449
2018-05-24

Optical apparatus for recording a holographic device and method of recording

#134
20180136377
2018-05-17

Zonal optical elements

#135
20180114050
2018-04-26

Image capturing apparatus and biometric authentication apparatus to output guidance related to distance

#136
20180102093
2018-04-12

Quantum dot light emitting device and optical apparatus including the same

#137
20180095165
2018-04-05

Projector with spatial light modulation

#138
20180087931
2018-03-29

Optical encoder configured to mitigate undesired interfering light components

#139
20180067331
2018-03-08

System for simulating pyrotechnics

#140
20180063390
2018-03-01

Spatially tiled structured light projector

#141
20180038574
2018-02-08

Light emitting apparatus for emitting light of variable spectral composition using movable element

#142
20180017806
2018-01-18

Spectrally encoded probes

#143
20180010907
2018-01-11

Sequential Diffractive Pattern Projection

#144
20180004077
2018-01-04

Integrated light pipe for optical projection

#145
20180003943
2018-01-04

Endoscope with distance measurement function and distance measurement method used in same

#146
20170368255
2017-12-28

ILLUMINATED INFUSION LINE AND SYSTEMS

#147
20170358220
2017-12-14

Vehicle navigational system

#148
20170356621
2017-12-14

Lens array assembly and method for making the same

#149
20170353712
2017-12-07

PULSED GATED STRUCTURED LIGHT SYSTEMS AND METHODS

#150
20170351110
2017-12-07

Laser diode collimator and a pattern projecting device using same

#151
20170336052
2017-11-23

Lens having mutually different optical segments

#152
20170331992
2017-11-16

System and method for generating a light pattern for object illumination

#153
20170322424
2017-11-09

Optical pattern projection

#154
20170321856
2017-11-09

Display backlighting using ambient light

#155
20170307897
2017-10-26

Apparatus of structured light generation

#156
20170307800
2017-10-26

Unidirectional grating-based backlighting employing a reflective island

#157
20170276951
2017-09-28

Diffractive optical beam shaping element

#158
20170276940
2017-09-28

Method and apparatus for generating input images for holographic waveguide displays

#159
20170234679
2017-08-17

Structured light sensing for 3D sensing

#160
20170219931
2017-08-03

Spatial light modulator, exposure apparatus, and method for manufacturing device

#161
20170192227
2017-07-06

Microscope having a correction unit for correcting a variable spherical aberration

#162
20170188016
2017-06-29

ILLUMINATION MODULES THAT EMIT STRUCTURED LIGHT

#163
20170184291
2017-06-29

OPTICAL DEVICE

#164
20170166111
2017-06-15

Automotive Light

#165
20170164848
2017-06-15

Light field management in an optical biological parameter sensor

#166
20170150021
2017-05-25

Electronic device with modulated light flash operation for rolling shutter image sensor

#167
20170116757
2017-04-27

Optical pattern projection

#168
20170115497
2017-04-27

Generation of coded structured light patterns using VCSEL arrays

#169
20170115475
2017-04-27

Light sheet microscopy using meso-optical elements

#170
20170108698
2017-04-20

Optical apparatus

#171
20170094257
2017-03-30

Light-deflection three-dimensional imaging device and projection device, and application thereof

#172
20170090096
2017-03-30

Multibeam diffraction grating-based color backlighting

#173
20170075205
2017-03-16

Integrated light pipe for optical projection

#174
20170074481
2017-03-16

Microlens array and optical system including the same

#175
20170074466
2017-03-16

System and method of generating perceived white light

#176
20170064271
2017-03-02

Illumination device and display apparatus

#177
20170052384
2017-02-23

Imaging apparatus and methods using diffraction-based illumination

#178
20170038505
2017-02-09

Lighting apparatus and laser diode module

#179
20170020393
2017-01-26

Endoscope Having Depth Determination

#180
20170003510
2017-01-05

Planar high angle line generator

#181
20160377879
2016-12-29

Laser illumination device

#182
20160377377
2016-12-29

Holographic sight with optimized reflection and image angles

#183
20160363751
2016-12-15

Scanning luminescence light microscope with gratings of luminescence inhibition light and further light

#184
20160357094
2016-12-08

Optics of projecor

#185
20160356484
2016-12-08

Integrated optical modules with enhanced reliability and integrity

#186
20160341951
2016-11-24

Optical probe, light intensity detection, imaging method and system

#187
20160328854
2016-11-10

DISTANCE SENSOR

#188
20160327385
2016-11-10

Distance sensor with parallel projection beams

#189
20160320627
2016-11-03

LAMP PROVIDING DIFFERENT LIGHT PATTERNS TO DIFFERENT VIEW ANGLES

#190
20160291305
2016-10-06

Microscope illumination system

#191
20160266393
2016-09-15

Field mapper

#192
20160223914
2016-08-04

Spatial light modulator, exposure apparatus, and method for manufacturing device

#193
20160223823
2016-08-04

Apparatus of structured light generation

#194
20160223819
2016-08-04

Near-eye display device and methods with coaxial eye imaging

#195
20160209668
2016-07-21

Illumination apparatus and biometric authentication apparatus

#196
20160164245
2016-06-09

Laser lighting device and application thereof

#197
20160143517
2016-05-26

Optical scanner and scanned lens optical probe

#198
20160123561
2016-05-05

Surface mount device type laser module

#199
20160100155
2016-04-07

Optical pattern projection

#200
20160033705
2016-02-04

Multibeam diffraction grating-based color backlighting

#201
20150362643
2015-12-17

Diffractive lens and optical device using the same

#202
20150338676
2015-11-26

Optical device, system and methods for interrogating a volume with an illumination pattern

#203
20150338631
2015-11-26

Light modulating device

#204
20150260431
2015-09-17

Electromagnetic radiation spreading for direct indoor uses

#205
20150085494
2015-03-26

Optical sheet, light-emitting device, method for manufacturing optical sheet, and method for manufacturing light-emitting device

#206
20140168774
2014-06-19

Generating an array of spots on inclined surfaces

#207
20130278912
2013-10-24

Spatial light modulator, exposure apparatus, and method for manufacturing device

#208
20130207004
2013-08-15

Source-collector modules for EUV lithography employing a GIC mirror and a LPP source

#209
20130120841
2013-05-16

Optical pattern projection

#210
20130083322
2013-04-04

Nonlinear optical microscope and nonlinear optical microscopy

#211
20120314188
2012-12-13

Optical element, light source device, and projection display device

#212
20120281943
2012-11-08

Laser illumination device

#213
20120262795
2012-10-18

Concentric ring dielectric lens

#214
20120249918
2012-10-04

Illumination device and display unit for suppressing luminance unevenness and interference pattern

#215
20120242960
2012-09-27

Illumination device and display apparatus

#216
20120154941
2012-06-21

COLLECTOR AND CONCENTRATOR OF SOLAR RADIATION

#217
20120013880
2012-01-19

Optical device and exposure apparatus including the same

#218
20110075259
2011-03-31

Optical designs for zero order reduction

#219
20110069389
2011-03-24

OPTICAL DESIGNS FOR ZERO ORDER REDUCTION

#220
20100317959
2010-12-16

Magnetic resonance imaging hyperpolarization of liquids or solids by light with orbital angular momentum

#221
20100284082
2010-11-11

Optical pattern projection

#222
20100238685
2010-09-23

Light diffraction member and display and backlight module having the same

#223
20100202725
2010-08-12

Laser illumination device

#224
20100046200
2010-02-25

Prism sheet and backlight module

#225
20100000978
2010-01-07

Laser machining device and laser machining method

#226
20090310377
2009-12-17

Vehicular lamp

#227
20090297100
2009-12-03

Illumination device, image display device, and projector

#228
20090251415
2009-10-08

Optical Pointing Device

#229
20090185274
2009-07-23

OPTICAL DESIGNS FOR ZERO ORDER REDUCTION

#230
20080247167
2008-10-09

Diffraction optical element, lighting device, and projector

#231
20080187012
2008-08-07

Light source device, image display device, projector, illumination device, and monitor device

#232
20080049280
2008-02-28

DISPLAY DEVICE AND BACKLIGHT UNIT

#233
20070183044
2007-08-09

Diffractive optical element, illumination system comprising the same, and method of manufacturing semiconductor device using illumination system

#234
20070019909
2007-01-25

Illumination device, image display device, and projector

#235
20070019789
2007-01-25

Systems and methods for achieving a required spot says for nanoscale surface analysis using soft x-rays

#236
20060152810
2006-07-13

Variable illuminator and speckle buster apparatus

#237
20060119940
2006-06-08

Prism sheet and a backlight module adopting the same

#238
20060092491
2006-05-04

Optical pattern projection for lighting, marking and demarcation enhancement

#239
20050098717
2005-05-12

Apparatus for using optical tweezers to manipulate materials

#240
20050046945
2005-03-03

Diffractive optical element, illumination system comprising the same, and method of manufacturing semiconductor device using illumination system

#241
18950171
2025-12-09

Projector and sensing system used therefor

#242
17458588
2022-07-05

Light and shadow water ball structure

#243
17405048
2022-11-08

Three-dimensional sensing system for determining three-dimensional profile of object and method thereof

#244
16735897
2023-12-26

Diffractive optical elements (DOEs) for high tolerance of structured light

#245
15879367
2019-06-11

Optical projector with on axis hologram and multiple beam splitter

#246
15867463
2021-01-19

Diffractive optical elements (DOEs) for high tolerance of structured light

#247
15813608
2024-02-27

Systems and methods for a multi-spectral depth camera assembly

#248
15799898
2020-04-07

Tileable structured light projection system

#249
15583952
2019-04-09

Devices and methods for adjusting an interpupillary distance based on encoded light patterns

#250
15274994
2017-11-21

Systems and methods for compact space-time stereo three-dimensional depth sensing

#251
15171377
2017-07-11

Structured light generation module