ClassID:

173630

G02B5/0252 - CPC Classification

Classification description:

Optical elements other than lenses; Diffusing elements; Afocal elements characterised by the diffusing properties using holographic or diffractive means

Recent Application in this class:
#1
20260036809
2026-02-05

Multi-Plane Display Device

#2
20250341479
2025-11-06

METROLOGY SYSTEM USING MULTIPLE RADIATION SPOTS

#3
20250060578
2025-02-20

Optical Data Insertion

#4
20240345295
2024-10-17

HOLOGRAPHIC LIGHTING DEVICE

#5
20240241407
2024-07-18

ILLUMINATION MODULE FOR ILLUMINATING A SURFACE AND IMAGE GENERATOR UNIT HAVING SUCH AN ILLUMINATION MODULE

#6
20240159944
2024-05-16

Azimuthally modulated scattering device

#7
20240111144
2024-04-04

Optical Data Insertion

#8
20240077648
2024-03-07

Integrated spot and flood illumination projector

#9
20240061158
2024-02-22

FLAT TOP DIFFUSER FOR LASER APPLICATIONS AND OTHER APPLICATIONS

#10
20240036325
2024-02-01

Optical Systems with Sequential Illumination

#11
20240012185
2024-01-11

HIDDEN DISPLAY SYSTEM

#12
20230393387
2023-12-07

GHOST IMAGE FREE PROJECTION AT ARBITRARY DISTANCE

#13
20230300316
2023-09-21

Laser local dimming for projectors and other lighting devices including cinema, entertainment systems, and displays

#14
20230273352
2023-08-31

OPTICAL ELEMENT COMPRISING AT LEAST ONE HOLOGRAPHIC DIFFUSIVE ELEMENT

#15
20230244008
2023-08-03

Surface light source projection device

#16
20230236434
2023-07-27

SYSTEM AND METHOD FOR REDUCED-SPECKLE LASER LINE GENERATION

#17
20230213779
2023-07-06

DIFFRACTIVE OPTICAL ELEMENTS

#18
20230076303
2023-03-09

Beam homogenization for occlusion resistance

#19
20230034494
2023-02-02

Machine vision system with multispectral light assembly

#20
20230032271
2023-02-02

A MULTI-PLANE DISPLAY DEVICE

#21
20220373818
2022-11-24

DISPLAY DEVICE

#22
20220287247
2022-09-15

Fiber-optic sheet lighting

#23
20220236692
2022-07-28

Illumination device

#24
20220229396
2022-07-21

REFRACTIVE INDEX MODULATION MODIFICATION IN A HOLOGRAPHIC GRATING

#25
20220196803
2022-06-23

LIDAR SENSOR

#26
20220192102
2022-06-23

Diffused fiber-optic horticultural lighting

#27
20220179232
2022-06-09

Multiview backlight, display, and method employing an optical diffuser

#28
20220146848
2022-05-12

SYSTEM AND METHOD FOR REDUCED-SPECKLE LASER LINE GENERATION

#29
20220134949
2022-05-05

Optical device for motorcars, lamp for motorcars and ambient lights

#30
20220113554
2022-04-14

MULTIVIEW BACKLIGHT, DISPLAY, AND METHOD HAVING A MULTIBEAM ELEMENT WITHIN A LIGHT GUIDE

#31
20220099867
2022-03-31

Lighting device and optical member

#32
20220078401
2022-03-10

Laser local dimming for projectors and other lighting devices including cinema, entertainment systems, and displays

#33
20220057548
2022-02-24

COMPOSITE DIFFRACTION ELEMENT, INSTRUMENT, AND IMAGE PROJECTION SYSTEM

#34
20210259158
2021-08-26

Diffused fiber-optic horticultural lighting

#35
20210247620
2021-08-12

Laser despeckler based on angular diversity

#36
20210185937
2021-06-24

Diffused fiber-optic horticultural lighting

#37
20210173130
2021-06-10

Azimuthally modulated scattering device

#38
20210157160
2021-05-27

Grating collimator, backlight system, and method employing a light-recycling light source

#39
20210132403
2021-05-06

System and method for reduced-speckle laser line generation

#40
20210116614
2021-04-22

Apparatus and method to obtain intrinsic still and video images without the use of filters or dichroic mirrors

#41
20210103249
2021-04-08

Illumination apparatus using a coherent light source

#42
20210055689
2021-02-25

Refractive index modulation modification in a holographic grating

#43
20210041076
2021-02-11

Illumination device and method of manufacturing the same

#44
20210029891
2021-02-04

Diffused fiber-optic horticultural lighting

#45
20200408882
2020-12-31

Beam homogenization for occlusion resistance

#46
20200371473
2020-11-26

METHOD FOR MANUFACTURING LIGHT REFLECTION MEMBER FOR PRODUCING HOLOGRAM EFFECT OF ORNAMENT AND HOLOGRAM PRODUCTION DEVICE

#47
20200363569
2020-11-19

Diffuser

#48
20200354496
2020-11-12

Latent imaging for volume Bragg gratings

#49
20200351490
2020-11-05

High speed binary compressive light field projection system

#50
20200341287
2020-10-29

System and method for reduced-speckle laser line generation

#51
20200326464
2020-10-15

Diffuser assembly

#52
20200293108
2020-09-17

Holographic image generated based on eye position

#53
20200233139
2020-07-23

Light-guide sheet and photoelectric conversion device

#54
20200224845
2020-07-16

Lighting apparatus for vehicles

#55
20200208803
2020-07-02

Backlight illuminating module

#56
20200201063
2020-06-25

LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME

#57
20200192112
2020-06-18

Liquid Crystal Display

#58
20200142106
2020-05-07

Substrate-Guided Holographic Diffuser

#59
20200082194
2020-03-12

Sheet and an optical fingerprint scanner

#60
20200063938
2020-02-27

Illumination device and method of manufacturing the same

#61
20200041615
2020-02-06

LIDAR DEVICE INCLUDING AT LEAST ONE DIFFUSER ELEMENT

#62
20190391315
2019-12-26

Directional backlight, backlit display and method

#63
20190317264
2019-10-17

Backlight unit providing uniform light and display apparatus including the same

#64
20190286871
2019-09-19

Method for controlling a digital device

#65
20190265500
2019-08-29

Illumination device

#66
20190250313
2019-08-15

Diffuser plate, designing method of diffuser plate, display device, projection device, and lighting device

#67
20190243140
2019-08-08

Devices for data superimposition

#68
20190227204
2019-07-25

Light source for projection display

#69
20190219817
2019-07-18

Diffusion Product that will De-Pixilate an LED Source

#70
20190219746
2019-07-18

Vehicle light assemblies

#71
20190187341
2019-06-20

Optical system

#72
20190171031
2019-06-06

Laser Despeckler Based on Angular Diversity

#73
20190137667
2019-05-09

TIR IMAGE DISPLAY WITH AN INDEX PERTURBATION ARRAY

#74
20190104301
2019-04-04

Laser local dimming for projectors and other lighting devices including cinema, entertainment systems, and displays

#75
20190094803
2019-03-28

Illumination device

#76
20190072776
2019-03-07

Lighting device

#77
20190072490
2019-03-07

High powered lasers for western blotting

#78
20190033782
2019-01-31

FLAP TOP LIGHT

#79
20190025605
2019-01-24

Light redirecting film and method for manufacturing the same

#80
20190025480
2019-01-24

Light redirecting film

#81
20190015157
2019-01-17

Laser generator using diffractive optical element

#82
20180299829
2018-10-18

Light modulation device having an optical element for scattering light

#83
20180286323
2018-10-04

Image pixel fill factor for example in a software configurable lighting device

#84
20180231697
2018-08-16

AZIMUTHALLY MODULATED SCATTERING DEVICE

#85
20180203249
2018-07-19

System and method for reduced-speckle laser line generation

#86
20180202638
2018-07-19

Landscape Light

#87
20180164480
2018-06-14

Reflective structure, device, and method for producing reflective structure

#88
20180136468
2018-05-17

Freeform projected display

#89
20180094784
2018-04-05

Landscape light

#90
20180039092
2018-02-08

Projection type image display apparatus

#91
20170363781
2017-12-21

Display assembly with diffusing member for appearance matching

#92
20170276458
2017-09-28

Living camouflage achieved from a substantially transparent substrate having an array of micro-lenses on one side and a colorized patterns opposite, where the lens array interacts with the patterns to exhibit color and or form change when viewed at differing angles, and a method of manufacture same

#93
20170232779
2017-08-17

Method of manufacturing a part with an anti-counterfeit feature and a part marked for anti-counterfeiting

#94
20170214908
2017-07-27

Projector and projection display device

#95
20170210072
2017-07-27

Creating homogeneous optical elements by additive manufacturing

#96
20170198882
2017-07-13

LIGHT EMITTING DEVICE

#97
20170191631
2017-07-06

Landscape light

#98
20170175967
2017-06-22

Vehicle-mounted light source device

#99
20170139128
2017-05-18

PIXEL OUTPUT COUPLER FOR A LASER DISPLAY SYSTEM

#100
20170115498
2017-04-27

Optical stacks for sparkle reduction

#101
20170072733
2017-03-16

Security element and method for producing a security element having light-scattering structures

#102
20170045208
2017-02-16

Landscape light

#103
20170030541
2017-02-02

LIGHT SOURCE DEVICE, LIGHTING DEVICE, VEHICULAR HEADLIGHT, AND VEHICLE

#104
20170013257
2017-01-12

Laser local dimming for projectors and other lighting devices including cinema, entertainment systems, and displays

#105
20160349526
2016-12-01

Illumination device, projection apparatus and projection-type image display apparatus

#106
20160327907
2016-11-10

Illumination apparatus using a coherent light source

#107
20160327805
2016-11-10

Projection device and projection-type video display device

#108
20160306089
2016-10-20

Holographic foil and method for producing same

#109
20160266399
2016-09-15

Projection type image display apparatus

#110
20160238221
2016-08-18

Landscape light

#111
20160170226
2016-06-16

Laser despeckler based on angular diversity

#112
20150316686
2015-11-05

Retroreflective colorants

#113
20150268467
2015-09-24

Imaging lightguide with holographic boundaries

#114
20150185698
2015-07-02

Method for producing a beam shaping holographic optical element

#115
20150176796
2015-06-25

Variable diffuser

#116
20150171373
2015-06-18

Optical sheet and light emitting apparatus

#117
20150130896
2015-05-14

LIGHT REDIRECTION HOLOGRAM FOR REFLECTIVE DISPLAYS

#118
20150056561
2015-02-26

Composite holographic optical diffuser structure with high frequency overlay and method of fabrication thereof

#119
20140347858
2014-11-27

Illuminating device using coherent light source

#120
20140347715
2014-11-27

Illuminating method using coherent light source

#121
20140240813
2014-08-28

Annulus scattering diffuser for display with reflective surface

#122
20140203700
2014-07-24

Light emitting device and light sheet

#123
20140177018
2014-06-26

Image display module

#124
20140168948
2014-06-19

Backlight module with diffusion sheet having a sub-wavelength grating

#125
20140023317
2014-01-23

Transparent diffuser for diffusing multiple wavelengths of light and method of manufacturing transparent diffuser

#126
20140022616
2014-01-23

Laser despeckler based on angular diversity

#127
20140009816
2014-01-09

Annulus scattering diffuser for reflective display

#128
20130328838
2013-12-12

DIFFUSERS FOR DIFFERENT COLOR DISPLAY ELEMENTS

#129
20130306844
2013-11-21

Light-trapping sheet, and light-receiving device and light-emitting device using the same

#130
20130299685
2013-11-14

Light-receiving device having light-trapping sheet

#131
20130299684
2013-11-14

Light-trapping sheet and rod, and light-receiving device and light-emitting device using the same

#132
20130170006
2013-07-04

Illumination device, projection apparatus and projection-type image display apparatus

#133
20130169936
2013-07-04

Illumination device, projection device, and projection-type image display device

#134
20130088763
2013-04-11

Illuminating device using coherent light source

#135
20130027962
2013-01-31

Light source device, lighting device, vehicular headlight, and vehicle

#136
20120249934
2012-10-04

Display apparatus and liquid crystal display device

#137
20120188791
2012-07-26

Substrate-guided holographic diffuser

#138
20120147003
2012-06-14

Omnidirectional-view three-dimensional display apparatus

#139
20110180687
2011-07-28

Intelligent solid state lighting

#140
20110170188
2011-07-14

MONOLITHIC POLARIZING DIFFRACTIVE STRUCTURES AND ASSOCIATED METHODS

#141
20110134533
2011-06-09

Optical light diffuser component having a substrate with optical structures and optical coatings and a method for manufacturing the same

#142
20110128739
2011-06-02

Illumination system, light source and beam-control element

#143
20110090697
2011-04-21

Sheet and light emitting device

#144
20110085241
2011-04-14

TRANSMISSIVE OPTICAL MICROSTRUCTURE SUBSTRATES THAT PRODUCE VISIBLE PATTERNS

#145
20110080737
2011-04-07

Sheet, light emitting device, and method for producing the sheet

#146
20110044061
2011-02-24

Light Control Devices Implemented With Diffusers Having Controllable Diffusion Characteristics

#147
20110043876
2011-02-24

Projection type image display apparatus and image display method

#148
20110039079
2011-02-17

STRUCTURED SUBSTRATE GLASS FOR LED'S AND METHOD FOR PRODUCTION THEREOF

#149
20100328768
2010-12-30

Nano fractal diffuser

#150
20100213854
2010-08-26

Intelligent solid state lighting

#151
20100128349
2010-05-27

Light-diffusing grating

#152
20100085642
2010-04-08

DIFFRACTIVE DEVICE

#153
20100046200
2010-02-25

Prism sheet and backlight module

#154
20100027085
2010-02-04

Adjustable beam portable light

#155
20100027084
2010-02-04

HOLOGRAM OPTICAL ELEMENT AND SURFACE LIGHT SOURCE DEVICE USING THE HOLOGRAM OPTICAL ELEMENT

#156
20100026919
2010-02-04

PROJECTOR AND LIGHT MODULATION DEVICE

#157
20100020374
2010-01-28

HOLOGRAM OPTICAL ELEMENT AND SURFACE LIGHT SOURCE DEVICE USING THE HOLOGRAM OPTICAL ELEMENT

#158
20100008087
2010-01-14

OPTICAL INTEGRATING CHAMBER LIGHTING USING ONE OR MORE ADDITIONAL COLOR SOURCES TO ADJUST WHITE LIGHT

#159
20090296422
2009-12-03

Optical Film and backlight Module using the same

#160
20090268273
2009-10-29

Glare management of reflective and thermoreflective surfaces

#161
20090244447
2009-10-01

Directional diffusion film, polarizing plate, liquid crystal display, and method of manufacturing directional diffusion film

#162
20090237804
2009-09-24

High brightness optical device

#163
20090194670
2009-08-06

Intelligent solid state lighting

#164
20090109669
2009-04-30

Precise repeatable setting of color characteristics for lighting applications

#165
20090038512
2009-02-12

CRYSTALLINE COLLOIDAL ARRAYS WITH INORGANIC SOL-GEL MATRIX

#166
20080205053
2008-08-28

Optical integrating chamber lighting using one or more additional color sources to adjust white light

#167
20080176041
2008-07-24

Resin Film Substrate for Organic Electroluminescence and Organic Electroluminescence Device

#168
20080158906
2008-07-03

Back light unit

#169
20080153008
2008-06-26

Optical Element, Method for Production Thereof and Display Device

#170
20080151250
2008-06-26

Lighting device and optical apparatus

#171
20080144179
2008-06-19

OPTICAL ELEMENT

#172
20080106775
2008-05-08

HIGH BRIGHTNESS OPTICAL DEVICE

#173
20080049282
2008-02-28

Color separated display imaging system

#174
20080049279
2008-02-28

Computer-generated hologram and its fabrication process, reflector using a computer-generated hologram, and reflective liquid crystal display

#175
20080013180
2008-01-17

Directional diffuser

#176
20080007809
2008-01-10

Auto-stereoscopic diffraction optics imaging system providing multiple viewing pupil pairs

#177
20070274075
2007-11-29

Laser illuminator

#178
20070268585
2007-11-22

Light control devices implemented with diffusers having controllable diffusion characteristics

#179
20070261810
2007-11-15

Seamless master and method of making same

#180
20070245772
2007-10-25

Partially modified photosensitive monolithic glass apparatus

#181
20070211337
2007-09-13

Monolithic polarization controlled angle diffusers, associated methods and lithographic systems incorporating controlled angle diffusers

#182
20070206287
2007-09-06

Diffusion Element And Lighting Device

#183
20070195391
2007-08-23

REFLECTION TYPE DIFFUSE HOLOGRAM, HOLOGRAM FOR REFLECTION HOLOGRAM COLOR FILTERS, ETC, AND REFLECTION TYPE DISPLAY DEVICE USING SUCH HOLOGRAMS

#184
20070171649
2007-07-26

Signage using a diffusion chamber

#185
20070138978
2007-06-21

Conversion of solid state source output to virtual source

#186
20070064294
2007-03-22

Optical film and surface light source using it

#187
20070058071
2007-03-15

System and methods for increasing fill-factor on pixelated sensor arrays

#188
20070053030
2007-03-08

Hologram optical element and surface light source device using the hologram optical element

#189
20070051883
2007-03-08

Lighting using solid state light sources

#190
20070046912
2007-03-01

INTERFEROMETRIC MEASURING DEVICE AND PROJECTION EXPOSURE INSTALLATION COMPRISING SUCH MEASURING DEVICE

#191
20070045524
2007-03-01

Intelligent solid state lighting

#192
20060291020
2006-12-28

Illumination device and method using adaptable source and output format

#193
20060268544
2006-11-30

Optical integrating chamber lighting using multiple color sources to adjust white light

#194
20060268543
2006-11-30

Optical integrating chamber lighting using multiple color sources for luminous applications

#195
20060256415
2006-11-16

Diffuse reflector and method

#196
20060256412
2006-11-16

Computer-generated hologram and its fabrication process, reflector using a computer-generated hologram, and reflective liquid crystal display

#197
20060203483
2006-09-14

Precise repeatable setting of color characteristics for lighting applications

#198
20060132921
2006-06-22

Method and system for generating substantially uniform speckle patterns

#199
20060109533
2006-05-25

Diffuser, wavefront source, wavefront sensor and projection exposure apparatus

#200
20060098423
2006-05-11

Reduced-volume portable illumination unit using diffusion films

#201
20060092515
2006-05-04

Illumination system to eliminate laser speckle and a single-panel projection system employing the same

#202
20060081773
2006-04-20

Optical integrating chamber lighting using multiple color sources

#203
20050270604
2005-12-08

Diffractive device

#204
20050264827
2005-12-01

Interferometric measuring device and projection exposure installation comprising such measuring device

#205
20050248701
2005-11-10

Method of fabricating hologram diffuser for liquid crystal display and liquid crystal display device using the same

#206
20050248679
2005-11-10

System and methods for increasing fill-factor on pixelated sensor arrays

#207
20050180170
2005-08-18

Backlight unit and method of manufacturing diffuser employed in the backlight unit

#208
20050174646
2005-08-11

Directional diffuser

#209
20050161586
2005-07-28

Optical integrating chamber lighting using multiple color sources

#210
20050128540
2005-06-16

Beam shaping element for use in a lithographic system

#211
20050083592
2005-04-21

High brightness optical device

#212
20050063054
2005-03-24

Projection screen and projection system comprising the same

#213
20050052742
2005-03-10

Lighting apparatus, lens and method of making the lens

#214
20050001957
2005-01-06

Anisotropic spectral scattering films, polarizers and liquid crystal displays

#215
12501175
2016-01-26

Visual display system using multiple image sources and heads-up-display system using the same