ClassID:

178762

G03H2223/23 - CPC Classification

Classification description:

Optical components Diffractive element

Recent Application in this class:
#1
20260003322
2026-01-01

Hologram Interlacing with Diagonal Offset

#2
20250348040
2025-11-13

HOLOGRAPHICALLY DISPLAYING THREE-DIMENSIONAL OBJECTS

#3
20250341806
2025-11-06

DISPLAYING THREE-DIMENSIONAL OBJECTS

#4
20250334926
2025-10-30

OPTICAL SYSTEM FOR DIGITAL HOLOGRAPHY

#5
20250298374
2025-09-25

DEVICE FOR COMBINING BEAMS AND SYSTEM HAVING A DEVICE FOR COMBINING BEAMS AND A WHITE IMAGE HOLOGRAM

#6
20250172906
2025-05-29

Holographic Projection System

#7
20250093198
2025-03-20

SYSTEM, METHOD, AND APPARATUS FOR EXTENDED FIELD DIGITAL HOLOGRAPHIC VIBRATION IMAGING VIA ALIASED SPARSE SPATIAL SAMPLING

#8
20250068125
2025-02-27

Holographic Digitizer Illuminator with Mutually Variant Wavelengths

#9
20250068124
2025-02-27

HOLOGRAPHIC AND DIFFRACTIVE OPTICAL ENCODING SYSTEMS

#10
20250036077
2025-01-30

HOLOGRAM MANUFACTURING DEVICE AND HOLOGRAM MANUFACTURING METHOD

#11
20240241478
2024-07-18

HOLOGRAPHIC PROJECTOR AND METHOD

#12
20240241477
2024-07-18

METHOD OF MAKING HOLOGRAMS USING LIQUID CRYSTAL MASTERS

#13
20240168433
2024-05-23

HOLOGRAPHIC VR DISPLAY

#14
20240168284
2024-05-23

HOLOGRAPHIC VR DISPLAY

#15
20240160150
2024-05-16

Systems and Methods for High Volume Manufacturing of Waveguides

#16
20240125996
2024-04-18

Method for Replicating Large-Area Holographic Optical Element, and Large Area Holographic Optical Element Replicated Thereby

#17
20230417962
2023-12-28

SYSTEM AND METHOD FOR FABRICATING POLARIZATION SELECTIVE ELEMENT

#18
20230341813
2023-10-26

DARK FIELD DIGITAL HOLOGRAPHIC MICROSCOPE AND ASSOCIATED METROLOGY METHOD

#19
20230314810
2023-10-05

Displays with Dispersion-Compensating Interleaved Gratings

#20
20230142054
2023-05-11

Displaying three-dimensional objects

#21
20230141643
2023-05-11

Out-of-plane computer-generated multicolor waveguide holography

#22
20230032936
2023-02-02

METHOD AND SYSTEM FOR SIMULTANEOUS RECORDING OF SUPERIMPOSED HOLOGRAPHIC GRATINGS FOR AUGMENTED REALITY DEVICES (VARIANTS)

#23
20220317627
2022-10-06

Display device and operating method thereof

#24
20220299940
2022-09-22

Image Projection

#25
20220283540
2022-09-08

VOLUME BRAGG GRATING IN A CYLINDRICAL BULK MEDIUM

#26
20220244680
2022-08-04

Methods and Systems for Minimizing Haze During Holographic Recording

#27
20220242985
2022-08-04

PHOTOSENSITIVE COMPOSITION, HOLOGRAM RECORDING MEDIUM USING THE SAME, HOLOGRAM OPTICAL ELEMENT, AND METHOD OF FORMING HOLOGRAM DIFFRACTION GRATING

#28
20220236692
2022-07-28

Illumination device

#29
20220163920
2022-05-26

Beam deflection apparatus and holographic display apparatus including the same

#30
20220113674
2022-04-14

DIFFERENTIAL HOLOGRAPHY

#31
20220091560
2022-03-24

LIGHTGUIDE BASED HOLOGRAPHIC DISPLAY

#32
20220086419
2022-03-17

Displaying three-dimensional objects

#33
20220083003
2022-03-17

Reconstructing objects with display zero order light suppression

#34
20220083002
2022-03-17

Reconstructing objects with display zero order light suppression

#35
20220083001
2022-03-17

Reconstructing objects with display zero order light suppression

#36
20220083000
2022-03-17

Displaying three-dimensional objects

#37
20220082998
2022-03-17

Reconstructing objects with display zero order light suppression

#38
20220082886
2022-03-17

Displaying three-dimensional objects

#39
20220075316
2022-03-10

Optical system with polarization volume hologram

#40
20220043395
2022-02-10

LIGHT IRRADIATING DEVICE AND SENSOR

#41
20220035311
2022-02-03

Holographic and diffractive optical encoding systems

#42
20210373493
2021-12-02

Holographic display apparatus

#43
20210294265
2021-09-23

Lensless holographic imaging system using holographic optical element

#44
20210255584
2021-08-19

METHOD AND APPARATUS FOR GENERATING FULL-COLOR HOLOGRAPHIC IMAGE

#45
20210231969
2021-07-29

Laser Projection Apparatus and Methods for 3-D Image Production

#46
20210200012
2021-07-01

Spatial light modulator, formation method thereof, and holographic 3D display apparatus

#47
20210191317
2021-06-24

Display, transfer foil, adhesive label, and labeled article

#48
20210181677
2021-06-17

Holographic optical system structure and holographic display apparatus using spatial light modulator

#49
20210157119
2021-05-27

Unitary carrier for holographic components

#50
20210088968
2021-03-25

Dynamic Fresnel projector

#51
20210080906
2021-03-18

Near-to-eye and see-through holographic displays

#52
20210080743
2021-03-18

Super-resolution holographic microscope

#53
20210063739
2021-03-04

Display apparatus capable of reducing luminance unevenness and color unevenness

#54
20210055690
2021-02-25

Hologram display device

#55
20210033943
2021-02-04

SAW modulators and light steering methods

#56
20210033769
2021-02-04

Diffractive optic for holographic projection

#57
20210026297
2021-01-28

Systems and Methods for High Volume Manufacturing of Waveguides

#58
20210003752
2021-01-07

Device and method for producing master diffraction grating

#59
20200379407
2020-12-03

Holographic and diffractive optical encoding systems

#60
20200371474
2020-11-26

Optical system with polarization volume hologram

#61
20200363772
2020-11-19

Holographic display and holographic image forming method

#62
20200356050
2020-11-12

SPATIAL DEPOSITION OF RESINS WITH DIFFERENT FUNCTIONALITY

#63
20200333609
2020-10-22

Display device and method for tracking a virtual visibility region

#64
20200326554
2020-10-15

Method and apparatus for displaying binocular hologram image

#65
20200319592
2020-10-08

Differential holography

#66
20200278643
2020-09-03

Method to translate a non-collimated optical beam

#67
20200192280
2020-06-18

Holographic pattern generation for head-mounted display (HMD) eye tracking using a diffractive optical element

#68
20200183329
2020-06-11

Apparatus for manufacturing holographic optical element, and apparatus for reconstructing holograms

#69
20200183162
2020-06-11

WAVEGUIDE DEVICE AND OPTICAL ENGINE

#70
20200133005
2020-04-30

Head-mounted display apparatus

#71
20200089165
2020-03-19

Interference optics for optical imaging device

#72
20200089164
2020-03-19

Projection system for measuring vibrations

#73
20200085309
2020-03-19

Flexible tip optical imaging

#74
20200012092
2020-01-09

Holographic display device having reduced chromatic aberration

#75
20200004201
2020-01-02

Out-of-plane computer-generated multicolor waveguide holography

#76
20190361395
2019-11-28

Illumination device

#77
20190361394
2019-11-28

Holographic grating lithography system and a method for adjusting the self-collimation of the interference optical path thereof

#78
20190339646
2019-11-07

Hologram replicating method and hologram replicating device

#79
20190337321
2019-11-07

Display body

#80
20190324397
2019-10-24

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

#81
20190294109
2019-09-26

Holographic display device

#82
20190271942
2019-09-05

Beam divergence and various collimators for holographic or stereoscopic displays

#83
20190265153
2019-08-29

Integrated lens free imaging device

#84
20190258206
2019-08-22

Data generating device, light control device, data generating method, and computer-readable recording medium

#85
20190258205
2019-08-22

Data generating device, light control device, data generating method, and computer-readable recording medium

#86
20190243211
2019-08-08

Optical processing

#87
20190219889
2019-07-18

Optical processing

#88
20190217659
2019-07-18

Vehicle wheel assembly

#89
20190204783
2019-07-04

Hologram displaying apparatus and method thereof

#90
20190196401
2019-06-27

Reflective holographic display apparatus and display method for the same

#91
20190187614
2019-06-20

APPARATUS FOR HOLOGRAPHIC DISPLAY BY COMPLEX MODULATION AND METHOD THEREOF

#92
20190179263
2019-06-13

APPARATUS FOR DISPLAYING HOLOGRAM

#93
20190113888
2019-04-18

SYSTEM, APPARATUS AND METHOD FOR EXTRACTING IMAGE CROSS-SECTIONS OF AN OBJECT FROM RECEIVED ELECTROMAGNETIC RADIATION

#94
20190094803
2019-03-28

Illumination device

#95
20190072899
2019-03-07

System and method for 3D holographic display using spatial-division multiplexed diffractive optical elements for viewing zone improvement

#96
20190056696
2019-02-21

Luminous display device

#97
20190004478
2019-01-03

Zero order blocking and diverging for holographic imaging

#98
20180306400
2018-10-25

Lighting device for vehicles

#99
20180275604
2018-09-27

Device, a system and a method in holographic imaging

#100
20180259903
2018-09-13

HOLOGRAPHIC-LIKE IMAGING DEVICES AND SYSTEMS

#101
20180229534
2018-08-16

Hologram structure

#102
20180217555
2018-08-02

Display method and display apparatus

#103
20180217473
2018-08-02

SAW modulators and light steering methods

#104
20180188691
2018-07-05

Angular subpixel rendering multiview display using shifted multibeam diffraction gratings

#105
20180188688
2018-07-05

Reduced bandwidth holographic near-eye display

#106
20180188687
2018-07-05

Reduced bandwidth holographic near-eye display

#107
20180173057
2018-06-21

Backlight unit and holographic display device including the same

#108
20180150028
2018-05-31

Large-size bionic holographic three-dimensional dynamic display method with large field of view

#109
20180129166
2018-05-10

Holographic display apparatus for providing expanded viewing window

#110
20180129048
2018-05-10

Hologram focus accommodation

#111
20180120563
2018-05-03

Holographic projector for a waveguide display

#112
20180107159
2018-04-19

Digital holographic image-taking apparatus

#113
20180107158
2018-04-19

Digital holographic imaging apparatus and illumination apparatus

#114
20180094791
2018-04-05

Backlight unit and holographic display device including the same

#115
20180074457
2018-03-15

Near-to-Eye and See-Through Holographic Displays

#116
20180004158
2018-01-04

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

#117
20170329280
2017-11-16

APPARATUS FOR PRODUCING A HOLOGRAM

#118
20170315362
2017-11-02

Virtual image display with curved light path

#119
20170293262
2017-10-12

Apparatus and method for recording Fresnel holograms

#120
20170235372
2017-08-17

Interactive three-dimensional display apparatus and method

#121
20170220001
2017-08-03

Hologram image display apparatus

#122
20170205767
2017-07-20

System, apparatus and method for extracting image cross-sections of an object from received electromagnetic radiation

#123
20170199496
2017-07-13

Dynamic fresnel projector

#124
20170176933
2017-06-22

HOLOGRAPHIC DISPLAY APPARATUS AND METHOD USING DIRECTIONAL BACKLIGHT UNIT (BLU)

#125
20170168453
2017-06-15

Wide viewing angle holographic video camera and display using a phase plate

#126
20170168452
2017-06-15

ILLUMINATION APPARATUS AND DISPLAY APPARATUS

#127
20170155894
2017-06-01

Holographic display

#128
20170153601
2017-06-01

Method for encoding a hologram in a light modulation device

#129
20170108829
2017-04-20

Systems and methods for performing self-interference incoherent digital holography

#130
20170102671
2017-04-13

Holographic light field imaging device and method of using the same

#131
20170102603
2017-04-13

Optical processing

#132
20170082976
2017-03-23

Projection device and method for the holographic reconstruction of scenes

#133
20170068092
2017-03-09

Display with observer tracking

#134
20170052384
2017-02-23

Imaging apparatus and methods using diffraction-based illumination

#135
20170003650
2017-01-05

Digital holographic device

#136
20160349508
2016-12-01

DISPLAY APPARATUS

#137
20160320751
2016-11-03

Apparatus and method for recording Fresnel holograms

#138
20160313695
2016-10-27

Beam divergence and various collimators for holographic or stereoscopic displays

#139
20160306089
2016-10-20

Holographic foil and method for producing same

#140
20160274539
2016-09-22

Holographic high power illumination distribution system

#141
20160154377
2016-06-02

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

#142
20160139559
2016-05-19

Optical processing

#143
20160041525
2016-02-11

Holographic memory device

#144
20150293497
2015-10-15

Holographic display

#145
20150293409
2015-10-15

Spatial light modulator comprising a liquid crystal device having reduced stray light

#146
20150286186
2015-10-08

Apparatus and method for fast generation of three-dimensional (3D) hologram

#147
20150177685
2015-06-25

Optical processing

#148
20150124302
2015-05-07

Method for encoding a hologram in a light modulation device

#149
20140361990
2014-12-11

Display with observer tracking

#150
20140320942
2014-10-30

Apparatus for producing a hologram

#151
20140320865
2014-10-30

Apparatus for detecting a 3D structure of an object

#152
20140210960
2014-07-31

Complex spatial light modulator and 3D image display including the same

#153
20140126029
2014-05-08

Method and device for the layered production of thin volume grid stacks, and beam combiner for a holographic display

#154
20140092457
2014-04-03

Back light unit providing direction controllable collimated light beam and 3D display using the same

#155
20140065520
2014-03-06

Generating and displaying holograms

#156
20140049451
2014-02-20

Display device and display system

#157
20130258430
2013-10-03

Apparatus and method for recording fresnel holograms

#158
20130070320
2013-03-21

Optical processing

#159
20130003073
2013-01-03

Optical system for a holographic microscope including a spatial filter

#160
20120092735
2012-04-19

Spatial light modulator device for the modulation of a wave field with complex information

#161
20120050832
2012-03-01

Method and system for imaging an object using incoherent light

#162
20120008482
2012-01-12

System for holography

#163
20110267665
2011-11-03

APPARATUS AND METHOD FOR RECORDING FRESNEL HOLOGRAMS

#164
20110255093
2011-10-20

Interferometric system with spatial carrier frequency capable of imaging in polychromatic radiation

#165
20110085051
2011-04-14

Optical element, device, method, and applications

#166
20100296143
2010-11-25

Lighting Unit for a Holographic Reconstruction System

#167
20100209109
2010-08-19

Optical processing

#168
20100142014
2010-06-10

System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation

#169
20100097439
2010-04-22

Mobile telephony system comprising holographic display

#170
20100060962
2010-03-11

System, apparatus and method for extracting image cross-sections of an object from received electromagnetic radiation

#171
20090147333
2009-06-11

Hologram medium manufacturing method, master hologram medium manufacturing method, recording medium, and hologram medium manufacturing apparatus

#172
20090128825
2009-05-21

Apparatus and method for dynamic cellular probing and diagnostics using holographic optical forcing array

#173
20080204833
2008-08-28

Apparatus and method for recording fresnel holograms

#174
20080145053
2008-06-19

Optical processing

#175
20080049281
2008-02-28

Security hologram, method of recording same, and method of using same wherein the holographic imaging includes a single coherent beam of electromagnetic radiation in combination with a Lloyd's mirror to provide both reference and object beams

#176
20070268537
2007-11-22

Optical processing

#177
20070035803
2007-02-15

Optical processing

#178
20050052716
2005-03-10

Secured document, system for manufacturing same and system for reading this document

#179
20050018259
2005-01-27

Optical processing

#180
18936292
2025-10-07

System and method for capturing and analyzing microscale and nanoscale digital holograms

#181
17229844
2024-01-02

System and method for fabricating polarization holograms

#182
15686258
2018-02-27

Illuminated cup holder

#183
15278216
2017-11-07

Illuminated cup holder