ClassID:

173621

G02B5/0205 - CPC Classification

Classification description:

Optical elements other than lenses; Diffusing elements; Afocal elements characterised by the diffusing properties

Sub-classes:
Recent Application in this class:
#1
20260009905
2026-01-08

OPTICAL TRACKING DEVICE

#2
20250321368
2025-10-16

OPTICAL DIFFUSER WITH HIGH INFRARED CLARITY

#3
20250085581
2025-03-13

POLARIZER, PREPARATION METHOD THEREOF, AND DISPLAY PANEL

#4
20250035278
2025-01-30

MULTI-LAYER LED-ILLUMINATED LIGHT REDIRECTING STRUCTURES

#5
20240210604
2024-06-27

OPTICAL MEMBER AND DISPLAY APPARATUS COMPRISING THE SAME

#6
20240168217
2024-05-23

Backlight for display having an optical film with first and second prism structures disposed on opposing optical surfaces thereof, or backlight for a display having an optical film set with first and second prism structures disposed on opposing optical films

#7
20240085774
2024-03-14

BEAM MODULATION APPARATUS AND PROJECTION SYSTEM

#8
20240069255
2024-02-29

MICROLENS ARRAY, DIFFUSION PLATE, AND ILLUMINATION DEVICE

#9
20230375149
2023-11-23

Method of making illumination systems employing reflective grids

#10
20230350120
2023-11-02

LOW COST DISPERSIVE OPTICAL ELEMENTS

#11
20230244080
2023-08-03

MOIRE INTERFERENCE RESISTANT DIFFUSER FOR HEADS UP DISPLAYS

#12
20230213691
2023-07-06

Diffuser screen

#13
20230152498
2023-05-18

CHROMATIC EFFECT LIGHT REFLECTIVE UNIT

#14
20220413192
2022-12-29

Display device and backlight device

#15
20220328731
2022-10-13

Wavelength-converting element, projection apparatus, and manufacturing method of wavelength-converting element

#16
20220256066
2022-08-11

Method and system for performing high speed optical image detection

#17
20220248938
2022-08-11

Optical system and imaging method

#18
20220236633
2022-07-28

Beam modulation apparatus and projection system

#19
20220228366
2022-07-21

Ceiling grid lighting assembly with configured alignment

#20
20220221780
2022-07-14

Projection screen

#21
20220196891
2022-06-23

Combined collimation and diffuser lens for flood illuminator

#22
20220171185
2022-06-02

HEAD-UP DISPLAY FOR MITIGATING SOLAR LOADING AND BACK REFLECTION

#23
20220163185
2022-05-26

Light Emitting Device, Display Device, And Lighting Device

#24
20220162856
2022-05-26

CONFIGURABLE LINEAR LIGHTING MODULE FOR SUSPENDED CEILING GRID ASSEMBLIES

#25
20220153190
2022-05-19

VEHICLE PANEL LIGHT-EMITTING THREE-DIMENSIONAL PATTERN IN GRADATION

#26
20220091316
2022-03-24

OPTICAL DIFFUSER WITH HIGH INFRARED CLARITY

#27
20220082922
2022-03-17

Light source device and projector

#28
20220082917
2022-03-17

Light source device and projector

#29
20220010554
2022-01-13

Linear Profile Support Element and Lighting Module For Suspended Ceiling Systems

#30
20210341120
2021-11-04

Optical article for illuminating building interiors employing reflective grid panel

#31
20210325020
2021-10-21

Light emitting device, display device, and lighting device

#32
20210278573
2021-09-09

Laminate and light diffusion control film

#33
20210278053
2021-09-09

Light source device and lighting device

#34
20210265544
2021-08-26

Light-emitting diode packages

#35
20210191003
2021-06-24

Unitary optical film assembly

#36
20210175395
2021-06-10

Lighting module and lighting apparatus having thereof

#37
20210088887
2021-03-25

Light source device and projector

#38
20200385987
2020-12-10

Ceiling grid lighting assembly with linear lighting modules in parallel arrangement

#39
20200377368
2020-12-03

PARTICLE MIXTURE, METHOD FOR ENHANCING LIGHT SCATTERING USING SAME, AND LIGHT-SCATTERING MEMBER AND OPTICAL DEVICE INCLUDING SAME

#40
20200335927
2020-10-22

Method And Apparatus For A Laser Beam Diffuser

#41
20200333699
2020-10-22

LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS

#42
20200333547
2020-10-22

Reflective device

#43
20200319383
2020-10-08

DISPLAY MODULE OF DISPLAY DEVICE

#44
20200300441
2020-09-24

Theatre light projector incorporating a plurality of light sources and improvements to blending the light output

#45
20200241143
2020-07-30

Switchable diffuser projection systems and methods

#46
20200217071
2020-07-09

SUPPORTING ELEMENT FOR SUSPENDED CEILING SYSTEMS

#47
20200201117
2020-06-25

Backlight module and display device

#48
20200200344
2020-06-25

DAYLIGHTING MEMBER AND DAYLIGHTING DEVICE

#49
20200197978
2020-06-25

TRANSPARENT PRODUCT AND METHOD FOR PRODUCING TRANSPARENT PRODUCT

#50
20200183070
2020-06-11

Light modules and devices incorporating light modules

#51
20200166697
2020-05-28

LIGHT COLLECTION AND DISTRIBUTION

#52
20200137843
2020-04-30

Illuminator

#53
20200088512
2020-03-19

DEPTH INFORMATION CONSTRUCTION SYSTEM, ASSOCIATED ELECTRONIC DEVICE, AND METHOD FOR CONSTRUCTING DEPTH INFORMATION

#54
20200033713
2020-01-30

Adjustable light distribution for active depth sensing systems

#55
20200033711
2020-01-30

Adjustable light projector for flood illumination and active depth sensing

#56
20200033710
2020-01-30

Adjustable light distribution for active depth sensing systems

#57
20200018448
2020-01-16

Narrow collimating and diffusing optic system for LED lighting

#58
20200011493
2020-01-09

Decorative lighting element having a diffuser between an LED and a transparent lens

#59
20190391007
2019-12-26

Photoresist spectral sensitivity matching radiometer for trace/space width variation improvement

#60
20190378960
2019-12-12

Wavelength-converting element, projection apparatus, and manufacturing method of wavelength-converting element

#61
20190371230
2019-12-05

Display device, backlight module and manufacturing method thereof

#62
20190363232
2019-11-28

Light-emitting diode packages with individually controllable light-emitting diode chips

#63
20190363223
2019-11-28

Light-emitting diode packages

#64
20190360656
2019-11-28

Vehicle lamp with plate like lens having front and rear lens cuts

#65
20190353997
2019-11-21

Projector, illuminaton system and diffusion element

#66
20190339842
2019-11-07

ICON DISPLAY STRUCTURE OF ELECTRONIC DEVICE

#67
20190331995
2019-10-31

Projection apparatus and illumination system

#68
20190312180
2019-10-10

Self-alignment of optical structures to random array of printed micro-LEDs

#69
20190310411
2019-10-10

Optical system with diffusers and honeycomb condensers

#70
20190302461
2019-10-03

Display device and head-mounted display

#71
20190296059
2019-09-26

CMOS pixel, image sensor, and camera and method for reading out a CMOS pixel

#72
20190285475
2019-09-19

Apparatus for acquiring image using terahertz wave

#73
20190285246
2019-09-19

Light emitting device, display device, and lighting device

#74
20190285245
2019-09-19

Light bundle control member, light emitting device, and illuminating device

#75
20190257490
2019-08-22

Automotive lighting and/or signalling device with segmented lighting portions

#76
20190243035
2019-08-08

Optical assembly and the method to make the same

#77
20190243034
2019-08-08

Low cost dispersive optical elements

#78
20190224942
2019-07-25

VISIBILITY IMPROVEMENT FILM, LAMINATE COMPRISING SAME, AND IMAGE DISPLAY DEVICE COMPRISING SAME

#79
20190211988
2019-07-11

LAMP FOR VEHICLE AND VEHICLE

#80
20190204134
2019-07-04

Illumination pattern system and methods for 3D-time of flight systems

#81
20190203475
2019-07-04

SKYLIGHT DIFFUSER ACCESSORY

#82
20190196269
2019-06-27

Light diffusion plate and direct-lit backlight unit

#83
20190177530
2019-06-13

(Meth)acrylic composition comprising particles, its method of preparation, its use and object comprising it

#84
20190129292
2019-05-02

Actuator, optical device, and projector

#85
20190129251
2019-05-02

LIGHTING DEVICE AND IMAGE DISPLAY DEVICE

#86
20190113205
2019-04-18

LED lamp light distribution system and illumination system

#87
20190103051
2019-04-04

Image display device

#88
20190097095
2019-03-28

Light source device and lighting device

#89
20190097094
2019-03-28

Lighting module and lighting apparatus having thereof

#90
20190094519
2019-03-28

Virtual display apparatus

#91
20190086724
2019-03-21

Display device

#92
20190079221
2019-03-14

Mirror panel, mirror film and display system

#93
20190079218
2019-03-14

Transparent panel and display system thereof

#94
20190064645
2019-02-28

Light source apparatus and projector

#95
20190045104
2019-02-07

ARTICLE IMAGE CAPTURING APPARATUS

#96
20190041797
2019-02-07

Holographic projector

#97
20190041027
2019-02-07

Theatre light projector incorporating a plurality of light sources and improvements to blending the light output

#98
20190004232
2019-01-03

Optical film assembly, backlight module and display device

#99
20190004218
2019-01-03

Reducing optical damage on an optical element

#100
20180373033
2018-12-27

Projection display device, projection control method, and non-transitory computer readable medium storing projection control program

#101
20180299731
2018-10-18

DIRECT-TYPE BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

#102
20180286323
2018-10-04

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

#103
20180284326
2018-10-04

Diffuser plate, display device, projection device, and lighting device

#104
20180266639
2018-09-20

Light source module and vehicle lamp, having wavelength conversion member disposed in optical paths of first and second light-emitting elements

#105
20180246373
2018-08-30

LIQUID CRYSTAL DISPLAY DEVICE

#106
20180204038
2018-07-19

Light homogenizing device and biometric identifying device

#107
20180162091
2018-06-14

Translucent structure

#108
20180160101
2018-06-07

VARIABLE FOCAL LENGTH LENSES AND ILLUMINATORS ON TIME OF FLIGHT 3D SENSING SYSTEMS

#109
20180142517
2018-05-24

Daylighting device and daylighting system

#110
20180136510
2018-05-17

Polymer film, and light diffusion film comprising same for display

#111
20180059292
2018-03-01

Optical assembly and the method to make the same

#112
20170356611
2017-12-14

Optical article for illuminating building interiors

#113
20170292317
2017-10-12

ACTIVE GLAZING SYSTEM

#114
20170276313
2017-09-28

Lighting device for vehicles

#115
20170254931
2017-09-07

Optical assembly and the method to make the same

#116
20170232779
2017-08-17

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

#117
20170167688
2017-06-15

Light device, especially a signal lamp for motor vehicles

#118
20170073899
2017-03-16

Element for manipulating light

#119
20170038033
2017-02-09

Method for scaling structured light pattern and optical device using the same

#120
20170001906
2017-01-05

Tempered glass article with sub-surface laser engraving and production method

#121
20160349607
2016-12-01

Display panel and projection display device

#122
20160221869
2016-08-04

Sheet glass product fabrication with growth-limited glass bump spacers

#123
20160100750
2016-04-14

Illumination device

#124
20160010820
2016-01-14

Optical article for directing and distributing light

#125
20150355391
2015-12-10

LED display system

#126
20150226888
2015-08-13

Diffuser plate assembly, backlight and display device

#127
20150205184
2015-07-23

Cases for portable electronic devices

#128
20150198751
2015-07-16

Optical film and digital pen system using the same

#129
20150131154
2015-05-14

View angle-restriction sheet and flat panel display

#130
20150085368
2015-03-26

Optical article for directing and distributing light

#131
20140254195
2014-09-11

Surface illuminant device

#132
20140240839
2014-08-28

Optical substrates having light collimating and diffusion structures

#133
20140198480
2014-07-17

Diffuser component having scattering particles

#134
20140111742
2014-04-24

Wire mesh type diffuser plate and method of fabricating the same, and liquid crystal display device having the wire mesh type diffuser plate

#135
20140049822
2014-02-20

Display element having buried scattering anti-glare layer

#136
20140016202
2014-01-16

Light-shielding material for optical instrument

#137
20130321903
2013-12-05

Sheet glass product fabrication with growth-limited glass bump spacers

#138
20130308195
2013-11-21

Speckle reduction apparatus based on Mie scattering, perturbation drive, and optical reflective chamber

#139
20110310487
2011-12-22

Optical body with diffusion reflectivity, wall member, fitting, and solar shading device

#140
20110249337
2011-10-13

Optical diffusion film

#141
20110034774
2011-02-10

Light-diffusing safety cap

#142
20100118552
2010-05-13

Collapsible photographic light diffuser

#143
20080291541
2008-11-27

LIGHT REDIRECTING SOLAR CONTROL FILM

#144
20080074740
2008-03-27

Front projection screens including reflective layer and an array of anamorphic microlenses

#145
20070014004
2007-01-18

Front projection screens including reflecting and refractive layers of differing spatial frequencies

#146
20050254130
2005-11-17

Device for guiding light

#147
16379489
2020-03-10

Switchable diffuser projection systems and methods

#148
16225939
2020-05-12

Keypad light ring for audio device

#149
16217486
2020-03-24

Light modules and devices incorporating light modules

#150
16163150
2020-03-03

Light collection housing

#151
16003432
2019-07-16

Self-alignment of optical structures to random array of printed micro-LEDs