ClassID:

155295

F21V2200/20 - CPC Classification

Classification description:

Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape

Recent Application in this class:
#1
20260160413
2026-06-11

LOUDSPEAKER ARRANGEMENT

#2
20260160411
2026-06-11

SEALING FRAME FOR A LAMP OPTICAL SYSTEM

#3
20260146733
2026-05-28

Dispositivo di illuminazione e sistema di illuminazione comprendente tale dispositivo di illuminazione

#4
20260126704
2026-05-07

Electronic Device

#5
20260098618
2026-04-09

Lamp

#6
20260089416
2026-03-26

LIGHT GUIDE MOUNTING FOR AUDIO SPEAKER ILLUMINATION

#7
20260049701
2026-02-19

DOWNLIGHT WITH MULTIPLE SWITCHABLE LIGHTING MODES AND IMPLEMENTATION METHOD OF DOWNLIGHT

#8
20260039986
2026-02-05

MICROPHONE

#9
20260022817
2026-01-22

FILL LIGHT AND ELECTRONIC DEVICE

#10
20250306695
2025-10-02

MOUSE PAD

#11
20250278122
2025-09-04

ELECTRONIC DEVICE AND CONTROL METHOD THEREOF

#12
20250277573
2025-09-04

Wide-Area Illumination Panels Employing Flexible Printed Circuits and Side-emitting LEDs

#13
20250260920
2025-08-14

MICROPHONE

#14
20250251542
2025-08-07

MULTI-WAVEGUIDE LED ILLUMINATION PANEL

#15
20250230921
2025-07-17

LIGHTING APPARATUS

#16
20250222861
2025-07-10

VEHICLE PANE WITH A LIGHTING DEVICE

#17
20250198579
2025-06-19

Lamp with Night Lamp Function

#18
20250164687
2025-05-22

METHOD OF MAKING THIN LIGHT GUIDE ILLUMINATION SYSTEMS USING SIDE-EMITTING LEDS

#19
20250129901
2025-04-24

A LIGHT EMITTING DEVICE

#20
20250116390
2025-04-10

LOW PROFILE LUMINAIRES AND ASYMMETRIC LIGHT GUIDES THEREFOR

#21
20250027642
2025-01-23

FRONT LIGHT MODULE AND MANUFACTURING METHOD THEREOF

#22
20250027637
2025-01-23

LIGHT ASSEMBLY

#23
20240401776
2024-12-05

LIGHTING FIXTURE WITH PERIPHERAL LIGHT EMISSION FEATURE

#24
20240383318
2024-11-21

GLASS ASSEMBLY, VEHICLE WINDOW GLASS AND VEHICLE

#25
20240377056
2024-11-14

DISINFECTING LIGHTING DEVICE WITH IMPROVED SAFETY AND LIGHTING PERCEPTION

#26
20240353079
2024-10-24

Structure of a lamp comprising a light guiding element with two sequential bodies that guide the light from a light emitting element

#27
20240295308
2024-09-05

ASSEMBLY STRUCTURE AND LIGHTING DEVICE

#28
20240263766
2024-08-08

Side-emitting downlight with integrated light bar

#29
20240210000
2024-06-27

Acoustic lighting device

#30
20240167641
2024-05-23

LIGHT FIXTURE AND ASSOCIATED MANUFACTURING METHOD

#31
20240159390
2024-05-16

Light Emitting Fan Device

#32
20240052151
2024-02-15

CBC LIGHT STRIP STRUCTURE CAPABLE OF GUIDING ULTRAVIOLET LIGHT

#33
20230417392
2023-12-28

Lighting device

#34
20230408066
2023-12-21

Lighting fixture with peripheral light emission feature

#35
20230400163
2023-12-14

Light fixture with lightguide trim

#36
20230388697
2023-11-30

MAGNETIC SUCTION HEADPHONE WITH REPLACEABLE HEADPHONE CASE TRIM

#37
20230375776
2023-11-23

ILLUMINATION DEVICE AND DISPLAY DEVICE

#38
20230313969
2023-10-05

Curved light-guide optics for LED lighting

#39
20230305219
2023-09-28

Multi-waveguide illumination panel

#40
20230296242
2023-09-21

CONSTRUCTION

#41
20230280002
2023-09-07

Light emitting device

#42
20230273470
2023-08-31

Image panel having composite image using color changing with backlight illumination

#43
20230228403
2023-07-20

Lateral light emitting atmospheric downlight

#44
20230120589
2023-04-20

Light engines with dynamically controllable light distribution

#45
20230101869
2023-03-30

Lamp, lamp system, method for assembling lamp system, and method for disassembling lamp system

#46
20220397251
2022-12-15

Flat light guide for a vehicle lighting device and a vehicle lighting device

#47
20220381970
2022-12-01

Planar light source

#48
20220317259
2022-10-06

LIGHT PROJECTION APPARATUS AND MOVING BODY

#49
20220316682
2022-10-06

Light-emitting module and planar light source

#50
20220307670
2022-09-29

Light-guiding assembly, vehicle lamp, and vehicle

#51
20220299187
2022-09-22

Lighting Device for a Motor Vehicle, and Method for Producing Such a Lighting Apparatus

#52
20220252250
2022-08-11

Light emitting device and game machine

#53
20220206210
2022-06-30

Single edge lit lighting assembly with asymmetric light distribution

#54
20220171119
2022-06-02

Light fixture with single edge lit optical assembly

#55
20220137287
2022-05-05

Single edge lit lighting module with bi-lobed light distribution

#56
20220120430
2022-04-21

Lighting module and refrigeration appliance with lighting module

#57
20220099273
2022-03-31

Light source device and lighting device

#58
20220090748
2022-03-24

Lighting fixture

#59
20220065414
2022-03-03

SOLAR FLASH LIGHT

#60
20220035416
2022-02-03

Keyboard device capable of producing multi-zone lighting effect and illumination module thereof

#61
20220026043
2022-01-27

Light-emitting module and planar light source

#62
20220010943
2022-01-13

Method of making light guide illumination systems with enhanced light coupling

#63
20210405281
2021-12-30

Single edge lit lighting module with bi-lobed light distribution

#64
20210318485
2021-10-14

Illumination devices including multiple light emitting elements

#65
20210311348
2021-10-07

Image panel having composite image using color changing with backlight illumination

#66
20210293405
2021-09-23

Luminaire structure

#67
20210275910
2021-09-09

Decorative illumination device, control device for decorative illumination device, and game machine

#68
20210222866
2021-07-22

Electric working machine, illuminator attachment, and method of radiating light from electric working machine

#69
20210199266
2021-07-01

Light guide illumination systems with enhanced light coupling

#70
20210191030
2021-06-24

Lighting device and lamp apparatus

#71
20210190293
2021-06-24

Curved light-guide optics for LED street lighting

#72
20210190290
2021-06-24

Illumination device and exhibition apparatus

#73
20210181404
2021-06-17

Stepped light guide illumination systems

#74
20210080078
2021-03-18

Light source module and light guide plate

#75
20210033261
2021-02-04

Fixture including light guide and aerosol generating device including the fixture

#76
20200393610
2020-12-17

Luminaire structure

#77
20200393607
2020-12-17

Shaping input surfaces of LED light-guides for increased light extraction efficiency

#78
20200391658
2020-12-17

Light engines with dynamically controllable light distribution

#79
20200386396
2020-12-10

Horticulture light panel assembly

#80
20200355332
2020-11-12

Panel lamp

#81
20200264364
2020-08-20

Waveguide luminaire with side glare shield

#82
20200264363
2020-08-20

Interconnectable light guide tiles with opposing curved surfaces

#83
20200224853
2020-07-16

Light guide illumination systems with enhanced light coupling

#84
20200218006
2020-07-09

Stepped light guide illumination systems

#85
20200208805
2020-07-02

Lighting device for inspection

#86
20200124783
2020-04-23

Shaping input surfaces of LED light-guides for increased light extraction efficiency

#87
20200096252
2020-03-26

Refrigerator

#88
20200029407
2020-01-23

Light guide, display device, and game machine

#89
20200025998
2020-01-23

Edgelit LED blade fixture

#90
20200025353
2020-01-23

Refrigerator

#91
20190383473
2019-12-19

CONNECTOR AND SYSTEM

#92
20190367179
2019-12-05

Wayfinding apparatus for aircraft

#93
20190351814
2019-11-21

Lighting tool for vehicle including light sources and light guide body

#94
20190337449
2019-11-07

Light engines with dynamically controllable light distribution

#95
20190324185
2019-10-24

Illumination system based on active and passive illumination devices

#96
20190302339
2019-10-03

Luminaire for emitting directional and non-directional light

#97
20190285259
2019-09-19

Light-emitting diode down light retrofit fixtures

#98
20190257491
2019-08-22

Vehicular light

#99
20190216236
2019-07-18

Refrigerator

#100
20190113274
2019-04-18

Refrigerator

#101
20190041570
2019-02-07

Single edge lit lighting module producing tailored light distributions

#102
20190033510
2019-01-31

Illumination Devices Including Multiple Light Emitting Elements

#103
20190017679
2019-01-17

Refrigerator including lighting device with cover

#104
20180348423
2018-12-06

Stepped light guide illumination systems

#105
20180348422
2018-12-06

Planar illumination apparatus

#106
20180348420
2018-12-06

Shaping input surfaces of LED light-guides for increased light extraction efficiency

#107
20180299098
2018-10-18

Light guide illumination systems with enhanced light coupling

#108
20180252861
2018-09-06

Edgelit LED blade fixture

#109
20180210140
2018-07-26

Illumination Devices Including Multiple Light Emitting Elements

#110
20180210136
2018-07-26

Illumination system based on active and passive illumination devices

#111
20180196189
2018-07-12

Illumination devices including multiple light emitting elements

#112
20180195683
2018-07-12

Ring-shaped lights with edge effect

#113
20180164030
2018-06-14

Refrigerator

#114
20180160824
2018-06-14

Refrigerator

#115
20180135837
2018-05-17

System and Technique for Tensioned Wall of Individual LED Tiles

#116
20180128434
2018-05-10

Ceiling lamp with light guide plate and assembly method thereof

#117
20180074256
2018-03-15

Interconnectable light guide tiles

#118
20180074249
2018-03-15

Illuminating unit and display apparatus

#119
20170205045
2017-07-20

Lighting device and lighting system

#120
20170122522
2017-05-04

Light panel shade

#121
20170097460
2017-04-06

Illuminated feature for an LED luminaire

#122
20170068033
2017-03-09

LED lighting fixture with a light emitting waveguide resembling a lamp shade

#123
20170031093
2017-02-02

Apparatus for applying compensation to displayed image and method for manufacturing same

#124
20160363710
2016-12-15

Lighting system

#125
20160178831
2016-06-23

Lighting module

#126
20160161095
2016-06-09

System and technique for tensioned wall of individual LED tiles

#127
20160062032
2016-03-03

Illumination devices including multiple light emitting elements

#128
20160033099
2016-02-04

Lighting system, track and lighting module therefore

#129
20160033098
2016-02-04

Lighting system, track and lighting module therefore

#130
20160018092
2016-01-21

Lighting system, track and lighting module therefore

#131
20160011358
2016-01-14

Low profile luminaire and associated systems and methods

#132
20150378088
2015-12-31

Illumination system based on active and passive illumination devices

#133
20150355406
2015-12-10

Edgelit LED blade fixture

#134
20150330596
2015-11-19

Lighting device

#135
20150276174
2015-10-01

Illuminated windshield system

#136
20150219825
2015-08-06

Waveguide luminaire with guide imbedded activity sensor

#137
20150138832
2015-05-21

Light-emitting diode wave guide down light retrofit fixtures

#138
20150109821
2015-04-23

Diffractive luminaires

#139
20150023057
2015-01-22

Display device

#140
20150016143
2015-01-15

Lighting assembly

#141
20150016141
2015-01-15

Light emitting panel assemblies and light guides therefor

#142
20140293645
2014-10-02

Illumination device and light-guiding member

#143
20140268872
2014-09-18

Low-profile lighting systems

#144
20140268869
2014-09-18

Edgelit LED blade fixture

#145
20140254197
2014-09-11

Warning device

#146
20140226361
2014-08-14

Face-lit waveguide illumination systems

#147
20140198527
2014-07-17

Visual media soft light system

#148
20140098564
2014-04-10

LED-based light fixture

#149
20140056026
2014-02-27

Low profile luminaire with light guide and associated systems and methods

#150
20140049980
2014-02-20

Solid state lighting strip for mounting in or on a panel support element of a modular panel system

#151
20140049975
2014-02-20

MODULAR MICRO-STRUCTURE LIGHT GUIDE DEVICE

#152
20140043856
2014-02-13

Diffractive luminaires

#153
20140036516
2014-02-06

Low-profile LED heat management system

#154
20140036503
2014-02-06

DROP CEILING LIGHTING TECHNIQUES

#155
20140029263
2014-01-30

Lighting device

#156
20140003040
2014-01-02

Low-profile lighting system

#157
20130322110
2013-12-05

Lighted Floor Panels and Portable Lighted Stage Systems Comprised of Same

#158
20130322069
2013-12-05

LAMP STRUCTURE

#159
20130308337
2013-11-21

BACKLIGHT MODULE

#160
20130286667
2013-10-31

LIGHT FIXTURES AND INSTALLATION METHODS THEREOF

#161
20130272026
2013-10-17

LATERAL LIGHT SOURCE PROCESSING MODULE AND LIGHTING DEVICE WITH THE SAME

#162
20130033889
2013-02-07

Light guide decorative plate and touch light decorative plate

#163
20130027971
2013-01-31

DAZZLE PREVENTION LIGHTING FIXTURE WITH LIGHT GUIDE MEANS TO DISPERSE EMITTED LIGHT UNIFORMLY

#164
20130021790
2013-01-24

Light bar structure and light source device

#165
20120281432
2012-11-08

Lighting assembly

#166
20120280639
2012-11-08

PLANAR LIGHTING MODULE

#167
20120243256
2012-09-27

LED LIGHTING DEVICE WITH LIGHT GUIDE PLATE

#168
20120236593
2012-09-20

Light emitting diode lamp having heat dissipation module

#169
20120170259
2012-07-05

Flat tubularlamp

#170
20120163024
2012-06-28

Illuminator allowing a wide luminous intensity distribution

#171
20120127756
2012-05-24

Lighting module

#172
20120106135
2012-05-03

CEILING MOUNT LAMP HAVING A FIXING STRUCTURE CAPABLE OF ASSISTING HEAT DISSIPATION

#173
20120014128
2012-01-19

ILLUMINATION APPARATUS

#174
20120002443
2012-01-05

Cylindrical light guide with light adustable film on light entering surface thereof

#175
20110267806
2011-11-03

LUMINOUS DECORATION STRIP

#176
20110242804
2011-10-06

Lighting apparatus

#177
20110088292
2011-04-21

TOY AND/OR PACKAGING AND / OR OTHER ITEM INCLUDING A LIGHT ILLUMINATION SYSTEM

#178
20110051402
2011-03-03

Luminaire having separate lamps for direct lighting and indirect lighting

#179
20100315833
2010-12-16

Thin illumination system

#180
20100277911
2010-11-04

LED light fixture

#181
20100277910
2010-11-04

LED light fixture

#182
20100254121
2010-10-07

Refraction-type led ceiling lamp

#183
20100194277
2010-08-05

LED Emergency Light Installed in Lamp Receptacle

#184
20090213589
2009-08-27

LED light fixture

#185
20090135593
2009-05-28

ASSEMBLY OF LIGHTING PANEL MODULES AND MANUFACTURING METHOD THEREOF

#186
20080291689
2008-11-27

Light source device and vehicle lighting device

#187
20080278659
2008-11-13

Display apparatus and backlight assembly having a light guide plate comprising first and second light control patterns

#188
20080273351
2008-11-06

Light source device and vehicle lighting device

#189
20080272278
2008-11-06

Solar Powered Light

#190
20080266879
2008-10-30

OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME

#191
20080212330
2008-09-04

Light fixture

#192
20080112189
2008-05-15

Electro-optical device, illumination device, electronic apparatus, and production method of electro-optical device

#193
20080062718
2008-03-13

Light guide plate with high-density diffusing dots

#194
20080049447
2008-02-28

Edge lighted display system having multiple display faces

#195
20080037282
2008-02-14

Illuminating device, and display device and portable electronic device having the same

#196
20080025042
2008-01-31

Dual prism sheet, backlight assembly having the same and method thereof

#197
20060227546
2006-10-12

Enhanced light fixture

#198
20050225966
2005-10-13

Light fixture

#199
20050219860
2005-10-06

Light panel illuminated by light emitting diodes

#200
20050201093
2005-09-15

Luminaires for artificial lighting

#201
20050201087
2005-09-15

System for creating a tensioned wall composed of individual LED tiles

#202
19277496
2026-03-31

Light strip

#203
19177643
2026-04-14

Housing structure with light emitting design

#204
19095075
2026-05-26

Downlight

#205
18824893
2025-01-21

Touch pad structure capable of displaying patterns

#206
18122568
2023-09-05

Miniature backlight kit

#207
18092401
2024-02-27

Fire rated light fixture

#208
17733392
2025-03-11

Light-control panel with gradual index transition

#209
16894972
2022-05-24

Light-control panel with gradual index transition

#210
16285054
2020-07-21

Recessed flat panel slot luminaire

#211
16136679
2019-10-22

Lighting fixture