Patents-Review.com
ClassID:

173737 ⎘

G02B6/002 - CPC Classification

Classification description:

Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form; Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces

Sub-classes:
Recent Application in this class:
#1
20260143271
2026-05-21

LOUDSPEAKER ARRANGEMENT HAVING A LOUDSPEAKER AND A LIGHTING UNIT

 #2
20260133357
2026-05-14

PARTIAL PRIVACY MODULE AND PARTIAL PRIVACY DISPLAY DEVICE

 #3
20260093127
2026-04-02

LIQUID CRYSTAL DISPLAY DEVICE

 #4
20250347841
2025-11-13

EMBLEM

 #5
20250339016
2025-11-06

Thermally Controlled Illumination Devices

 #6
20250330658
2025-10-23

ENCODER, DECODER, ENCODING METHOD, AND DECODING METHOD

 #7
20250306261
2025-10-02

LIGHT GUIDE AND ASSOCIATED ELECTRICAL DEVICE

 #8
20250298179
2025-09-25

ANTI-PEEPING BACKLIGHT ASSEMBLY

 #9
20250284123
2025-09-11

Pupil Expansion

 #10
20250244521
2025-07-31

LIGHT EMITTING EMBLEM

 #11
20250155628
2025-05-15

LIGHT-GUIDE OPTICAL ELEMENT WITH MULTIPLE-AXIS INTERNAL APERTURE EXPANSION

 #12
20250138235
2025-05-01

LIGHTING FIXTURE WITH DUAL LIGHT GUIDING SHEETS

 #13
20250102720
2025-03-27

LIGHT GUIDE MEMBER AND BACKLIT MODULE

 #14
20250076657
2025-03-06

VIRTUAL IMAGE DISPLAY DEVICE AND OPTICAL UNIT

 #15
20250076562
2025-03-06

ILLUMINATION DEVICE AND DISPLAY DEVICE

 #16
20250076559
2025-03-06

EMBEDDED FILMS FOR WAVEGUIDE COMBINERS

 #17
20250067922
2025-02-27

ILLUMINATION DEVICE AND DISPLAY DEVICE

 #18
20250052941
2025-02-13

BACKLIGHT MODULE

 #19
20250042334
2025-02-06

VEHICLE ILLUMINATION APPARATUS

 #20
20250028108
2025-01-23

SURFACE LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE

 #21
20250020849
2025-01-16

ILLUMINATION DEVICE, LIGHT GUIDE OF ILLUMINATION DEVICE AND DISPLAY DEVICE COMPRISING ILLUMINATION DEVICE

 #22
20250012963
2025-01-09

BACKLIGHT WITH MULTIPLE MICROREPLICATED OPTICAL FILMS

 #23
20240402410
2024-12-05

ILLUMINATION DEVICE

 #24
20240361509
2024-10-31

Lighting keyboard and backlight module

 #25
20240358356
2024-10-31

Console light guide device

 #26
20240353611
2024-10-24

Display apparatus including first light source module on display surface of display panel and second light source module on back surface of display panel

 #27
20240345393
2024-10-17

HEAD-UP DISPLAY APPARATUS AND IMAGE DISPLAY APPARATUS THEREOF

 #28
20240310569
2024-09-19

LIGHT-GUIDE OPTICAL ELEMENT WITH MULTIPLE-AXIS INTERNAL APERTURE EXPANSION

 #29
20240263754
2024-08-08

LAMP FOR VEHICLE AND VEHICLE INCLUDING THE SAME

 #30
20240248305
2024-07-25

ENCODER, DECODER, ENCODING METHOD, AND DECODING METHOD

 #31
20240248247
2024-07-25

Backlight module and display device

 #32
20240248002
2024-07-25

OPTICAL INTEGRATED DEVICE AND OPTICAL TIME DOMAIN REFLECTOMETER

 #33
20240230975
2024-07-11

Under display illuminator with increased transmission efficiency and method of use thereof

 #34
20240210614
2024-06-27

Curved optical plate and method of manufacturing the same, backlight module and display device

 #35
20240142690
2024-05-02

INKJET GRADIENT INDEX MATERIAL TO MODULATE GRATING DIFFRACTION EFFICIENCY

 #36
20240085698
2024-03-14

Pupil expansion

 #37
20230408895
2023-12-21

LASER PROJECTION ARRANGEMENT AND METHOD FOR ARRANGING THEREOF

 #38
20230393326
2023-12-07

IMAGE DISPLAY DEVICE AND METHOD OF MANUFACTURING LIGHT GUIDE PLATE

 #39
20230384590
2023-11-30

Head-up display apparatus and image display apparatus thereof

 #40
20230314688
2023-10-05

Wireless control device assembly

 #41
20230308692
2023-09-28

Encoder, decoder, encoding method, and decoding method

 #42
20230296823
2023-09-21

LIGHT INCOUPLING TAPE, RELATED METHOD AND USES

 #43
20230228931
2023-07-20

Method of making suspended lighting fixtures using optical waveguides

 #44
20230221482
2023-07-13

Monolithic Natural Light Homogenization Lighting Device and Method Based on Lens and Sawtooth Grating

 #45
20230152630
2023-05-18

Illumination device and display device

 #46
20230152625
2023-05-18

Backlight module and display device

 #47
20230152580
2023-05-18

Pupil expansion

 #48
20230152512
2023-05-18

Display cover having a window

 #49
20230128012
2023-04-27

ILLUMINATION DEVICE AND DISPLAY DEVICE

 #50
20230088587
2023-03-23

Backlight module and display device

 #51
20230058463
2023-02-23

Optical member

 #52
20230025627
2023-01-26

Planar light source and display device

 #53
20220412526
2022-12-29

Lamp for vehicle and vehicle including the same

 #54
20220343671
2022-10-27

Device for displaying information and for capturing autopodial impressions

 #55
20220320818
2022-10-06

Illumination device

 #56
20220317451
2022-10-06

OPTICAL UNIT AND HEAD-MOUNTED DISPLAY DEVICE USING THE SAME

 #57
20220317349
2022-10-06

Mode Equalization Filter

 #58
20220308278
2022-09-29

Light-guide optical element with multiple-axis internal aperture expansion

 #59
20220299187
2022-09-22

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

 #60
20220291535
2022-09-15

High Isolation and Low Insertion Loss Optical Isolator

 #61
20220283352
2022-09-08

Silicon photonics collimator for wafer level assembly

 #62
20220252892
2022-08-11

Optical fiber laser coupler

 #63
20220252775
2022-08-11

REDUCED GLARE LIGHTING

 #64
20220229221
2022-07-21

Edge-lit light panel

 #65
20220229219
2022-07-21

Lighting device and display device

 #66
20220214489
2022-07-07

A LIGHT EMITTING DEVICE

 #67
20220197123
2022-06-23

Laser projection arrangement and method for arranging thereof

 #68
20220196903
2022-06-23

Transmissive display including a backlight with multiple stacked lightguides with a fold

 #69
20220179253
2022-06-09

Display device with fingerprint recognition function

 #70
20220155515
2022-05-19

Backlight module and display device

 #71
20220107455
2022-04-07

Narrow aperture luminaires and light guides therefor

 #72
20220066103
2022-03-03

Optical connector

 #73
20220035159
2022-02-03

Waveguide-based projector

 #74
20220035090
2022-02-03

Optical member and method for producing same

 #75
20210377464
2021-12-02

Light distribution device based on a planar waveguide

 #76
20210364856
2021-11-25

Backlight module including side surface having acute angle manufacturing method thereof and display device and illuminating device comprising the same

 #77
20210356646
2021-11-18

Optical waveguide element and control method thereof, backlight module and display device

 #78
20210341663
2021-11-04

Liquid crystal display device

 #79
20210341662
2021-11-04

Backlight module and display device

 #80
20210333169
2021-10-28

Optical integrated device and optical time domain reflectometer

 #81
20210294037
2021-09-23

Single-ended output circulator

 #82
20210294017
2021-09-23

Static multiview display and method employing directional light source and horizontal diffuser

 #83
20210286118
2021-09-16

Slim waveguide coupling apparatus and method

 #84
20210270445
2021-09-02

Light-emitting module including first hole portion

 #85
20210263214
2021-08-26

Mode Equalization Filter

 #86
20210255459
2021-08-19

Pupil expansion

 #87
20210231859
2021-07-29

LIGHT GUIDE PLATE, OPTICAL MODULE AND ALL-TRANS DISPLAY DEVICE

 #88
20210231856
2021-07-29

Optical collimation assembly, backlight module and display device

 #89
20210208325
2021-07-08

Suspended lighting fixture employing shaped light guide illumination devices

 #90
20210199881
2021-07-01

Thermally Controlled Illumination Devices

 #91
20210191033
2021-06-24

Edge coupled light collimation for backlight

 #92
20210183839
2021-06-17

SEMICONDUCTOR PACKAGE DEVICE AND METHOD OF MANUFACTURING THE SAME

 #93
20210181403
2021-06-17

Backlight module

 #94
20210157044
2021-05-27

Lightguide having opening and surrounding channel

 #95
20210109274
2021-04-15

OPTICAL DEVICE

 #96
20210103088
2021-04-08

Wireless control device assembly

 #97
20210096367
2021-04-01

Head-up display apparatus and image display apparatus thereof

 #98
20210080638
2021-03-18

Reflective display including a frontlight with multiple stacked lightguides with a fold

 #99
20210048575
2021-02-18

Optical member and method for producing same

 #100
20210033773
2021-02-04

Light-guide optical element with multiple-axis internal aperture expansion

 #101
20210026086
2021-01-28

Optical device

 #102
20210026060
2021-01-28

Backlight source comprising light guide plate and light bar, and display device comprising the backlight source

 #103
20210026056
2021-01-28

LAMP USING SEMICONDUCTOR LIGHT-EMITTING DEVICES

 #104
20210011211
2021-01-14

Optical device

 #105
20210004052
2021-01-07

Edge-to-edge display devices and related methods

 #106
20210003766
2021-01-07

Optical device

 #107
20210003761
2021-01-07

Beveled light guide plate

 #108
20200393677
2020-12-17

Head-mounted light field display with integral imaging and waveguide prism

 #109
20200393607
2020-12-17

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

 #110
20200379161
2020-12-03

Lighting control console having a slide control

 #111
20200363683
2020-11-19

LIGHTING DEVICE AND DISPLAY APPARATUS

 #112
20200355863
2020-11-12

Light emitting module and planar light source having a light guide with cavity and flourescent material disposed on a surface of cavity and light guide

 #113
20200341183
2020-10-29

Backlight unit and liquid crystal display device

 #114
20200293145
2020-09-17

TOUCH MODULE

 #115
20200271845
2020-08-27

Light guide plate

 #116
20200264363
2020-08-20

Interconnectable light guide tiles with opposing curved surfaces

 #117
20200241196
2020-07-30

LED light strip and backlight module having the same

 #118
20200233135
2020-07-23

Lightguide having recess of varying depth

 #119
20200225483
2020-07-16

Virtual image display device

 #120
20200192164
2020-06-18

Light guide plate comprising a cavity having a flat bottom surface and a plurality of quantum dots confined within the cavity by sidewalls and a cover film

 #121
20200192163
2020-06-18

Liquid crystal display comprising a light guide plate with a cavity having a flat bottom surface and a plurality of quantum dots confined within the cavity by sidewalls and a cover film

 #122
20200192159
2020-06-18

Backlight module and display device

 #123
20200192157
2020-06-18

Display device

 #124
20200158944
2020-05-21

Display device and display method

 #125
20200124783
2020-04-23

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

 #126
20200116916
2020-04-16

Light guide plate, backlight module and display device

 #127
20200103580
2020-04-02

ILLUMINATION DEVICE IN WHICH SOURCE LIGHT INJECTION IS NON-PARALLEL TO DEVICE`S OPTICAL AXIS

 #128
20200088929
2020-03-19

Slim waveguide coupling apparatus and method

 #129
20200081172
2020-03-12

Display device and smart watch

 #130
20200064535
2020-02-27

Backlight unit with one dimensional dimming

 #131
20200057188
2020-02-20

Light-emitting module and display apparatus

 #132
20200019019
2020-01-16

Color homogenizing film for displays with direct-lit backlight units

 #133
20200012035
2020-01-09

Lighting device for vehicles

 #134
20200002224
2020-01-02

Methods of making a glass article with a structured surface

 #135
20190391315
2019-12-26

Directional backlight, backlit display and method

 #136
20190369316
2019-12-05

Light emitting module and planar light source having a light guide with cavity and fluorescent material disposed on a surface of cavity and light guide

 #137
20190339434
2019-11-07

Light guide plate with toothed light incident surface

 #138
20190331841
2019-10-31

ILLUMINATING DEVICE AND DISPLAY DEVICE

 #139
20190324189
2019-10-24

Luminaire module with multiple light guide elements

 #140
20190324186
2019-10-24

Backlight module, display device and its driving method

 #141
20190285792
2019-09-19

Flexible light guide and lighting system

 #142
20190278016
2019-09-12

Light guide plate, backlight module and display device

 #143
20190271447
2019-09-05

Light guide for vehicle

 #144
20190265472
2019-08-29

Light source apparatus and head up display apparatus

 #145
20190265400
2019-08-29

Light-emitting device

 #146
20190257490
2019-08-22

Automotive lighting and/or signalling device with segmented lighting portions

 #147
20190249838
2019-08-15

Multilayer flashing water ball apparatus

 #148
20190243115
2019-08-08

Information acquisition apparatus

 #149
20190227215
2019-07-25

Light-guide optical element with multiple-axis internal aperture expansion

 #150
20190219758
2019-07-18

Luminaire with light guide

 #151
20190212562
2019-07-11

Display device

 #152
20190212560
2019-07-11

Head-up display apparatus and image display apparatus thereof

 #153
20190204499
2019-07-04

Light guide plate assembly, backlight source and display device

 #154
20190203905
2019-07-04

Vehicle lamp

 #155
20190196082
2019-06-27

DISPLAY DEVICE HAVING A LIGHT GUIDE PLATE WITH A CURVED SIDE SURFACE

 #156
20190190850
2019-06-20

Simplified low profile module with light guide for pendant, surface mount, wall mount and stand alone luminaires

 #157
20190187360
2019-06-20

Reflective display including a lightguide, light redirecting optical element, and cladding layer

 #158
20190187359
2019-06-20

Light guide device

 #159
20190179157
2019-06-13

Light spreading complex lens

 #160
20190179070
2019-06-13

Suspended lighting fixtures employing shaped light guide illumination devices

 #161
20190171413
2019-06-06

Portable voice assistant device with linear lighting elements

 #162
20190154901
2019-05-23

Optical member and display including the same

 #163
20190146136
2019-05-16

Lighting arrangement with light guide

 #164
20190137680
2019-05-09

Light guide plate and surface-lighting device

 #165
20190129573
2019-05-02

Display device and input device

 #166
20190121394
2019-04-25

Edge-to-edge display devices and related methods

 #167
20190113672
2019-04-18

LED light source device and electronic device using the same

 #168
20190107662
2019-04-11

BACKLIGHT UNITS COMPRISING A THIN LIGHT GUIDE PLATE AND A LIGHT COUPLING UNIT

 #169
20190103042
2019-04-04

Illuminable emblem

 #170
20190094447
2019-03-28

Backlight module comprising a plurality of light extraction gratings arranged in an array on a light emission surface of a light guide plate and liquid crystal display using the same

 #171
20190088234
2019-03-21

Electronic devices having light sensors with thin-film filters

 #172
20190086601
2019-03-21

BACKLIGHT MODULE AND DISPLAY DEVICE

 #173
20190078747
2019-03-14

Light beam adjusting device, vehicle lamp and motor vehicle

 #174
20190049655
2019-02-14

Thermally controlled illumination devices

 #175
20190049648
2019-02-14

LIGHTING DEVICE WITH A DIOPTER

 #176
20190049220
2019-02-14

Vision enhancement apparatus

 #177
20190049088
2019-02-14

Rod-shaped light guide and vehicle lamp

 #178
20190041566
2019-02-07

Collection and guiding of ambient light towards display layer

 #179
20190025493
2019-01-24

Light guide plate, backlight module and display device

 #180
20190025491
2019-01-24

Lighting sub-assembly with dual mode optical element

 #181
20190023176
2019-01-24

Vehicle lamp

 #182
20190018274
2019-01-17

Display device

 #183
20190018181
2019-01-17

Planar display with actively-controllable viewing directions

 #184
20190011626
2019-01-10

Optical system for lighting equipment, especially for a signal lamp for motor vehicles

 #185
20190005872
2019-01-03

METHOD AND SYSTEM FOR PROVIDING COLLIMATED BACKLIGHT ILLUMINATION IN A DISPLAY SYSTEM

 #186
20190004317
2019-01-03

Virtual image display apparatus

 #187
20190004239
2019-01-03

Backlight module and mobile terminal

 #188
20190004238
2019-01-03

OPTICAL MODULE AND ILLUMINATION APPARATUS

 #189
20190003661
2019-01-03

Modular lighting system

 #190
20180373051
2018-12-27

Directional display apparatus

 #191
20180364406
2018-12-20

Light guide device, lighting apparatus and motor vehicle

 #192
20180356582
2018-12-13

Light-guiding optical system

 #193
20180348420
2018-12-06

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

 #194
20180328553
2018-11-15

Optical waveguides and luminaires having a waveguide with extraction features and reflective material having openings disposed thereon

 #195
20180323020
2018-11-08

Touch-sensitive light guide film, and glowing keyboard and electrical device using the same

 #196
20180321611
2018-11-08

Image forming apparatus and photosensitive member unit

 #197
20180306967
2018-10-25

Luminaire with light guide

 #198
20180306960
2018-10-25

BACKLIGHT MODULES AND LIQUID CRYSTAL DISPLAYS

 #199
20180306956
2018-10-25

LIGHT GUIDE DEVICE

 #200
20180297516
2018-10-18

Lighting apparatus for an interior trim piece of a motor vehicle

 #201
20180284446
2018-10-04

Display apparatus and light guide device

 #202
20180284445
2018-10-04

Light guide device and display apparatus

 #203
20180284443
2018-10-04

Display apparatus

 #204
20180284337
2018-10-04

LIGHT GUIDE AND LIGHTING ASSEMBLY WITH ARRAY OF ROTATED MICRO-OPTICAL ELEMENTS

 #205
20180281674
2018-10-04

Courtesy lamp and courtesy logo lamp

 #206
20180267311
2018-09-20

Production method for a bonded optical member and a virtual image display device

 #207
20180259773
2018-09-13

Image display device and headup display equipped with image display device

 #208
20180246273
2018-08-30

Wireless control device assembly

 #209
20180246266
2018-08-30

Collimating step-wedge light guide

 #210
20180216810
2018-08-02

Lighting device with light guide

 #211
20180210132
2018-07-26

LIGHT GUIDING PLATE, METHOD OF MANUFACTURING THEREOF AND BACKLIGHT MODULE WITH LIGHT GUIDING PLATE

 #212
20180188444
2018-07-05

Liquid crystal display device and backlight module

 #213
20180178718
2018-06-28

Emotion lighting apparatus for vehicle and method for manufacturing the same

 #214
20180157042
2018-06-07

Waveguides with peripheral side geometries to recycle light

 #215
20180143368
2018-05-24

Optical device for producing high brightness light

 #216
20180141483
2018-05-24

Illumination assembly for a vehicle

 #217
20180128961
2018-05-10

Optic assemblies and fixtures comprising the same

 #218
20180113244
2018-04-26

Shaped light guide illumination devices

 #219
20180106946
2018-04-19

Backlight module and display device

 #220
20180106942
2018-04-19

Light-emitting device

 #221
20180101068
2018-04-12

Wide color-gamut vehicle infotainment display system with quantum dot element

 #222
20180100979
2018-04-12

Display device

 #223
20180092207
2018-03-29

Backlight unit including curved light source unit and display apparatus having the same

 #224
20180088338
2018-03-29

Optical element and display device

 #225
20180088337
2018-03-29

Optical element and display device

 #226
20180088270
2018-03-29

LIGHTGUIDE ASSEMBLY FOR ELECTRONIC DISPLAY

 #227
20180081106
2018-03-22

Optical system, and assembly for emitting light

 #228
20180074256
2018-03-15

Interconnectable light guide tiles

 #229
20180074248
2018-03-15

Slim waveguide coupling apparatus and method

 #230
20180059314
2018-03-01

Light emitting module and display device including light emitting module

 #231
20180039108
2018-02-08

Light emitting module and display device including the same

 #232
20180039012
2018-02-08

DISPLAY DEVICE

 #233
20180024289
2018-01-25

Dual light guide grating-based backlight and electronic display using same

 #234
20170371089
2017-12-28

LIGHT GUIDE AND LIGHTING ASSEMBLY WITH ARRAY OF ROTATED MICRO-OPTICAL ELEMENTS

 #235
20170363265
2017-12-21

Light system for a motor vehicle

 #236
20170358408
2017-12-14

Illumination switch

 #237
20170357041
2017-12-14

ILLUMINATION DEVICE AND DISPLAY DEVICE

 #238
20170355302
2017-12-14

DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF

 #239
20170351143
2017-12-07

Lighting device and display device

 #240
20170343722
2017-11-30

Backlight module and display device

 #241
20170343720
2017-11-30

Light emitting panel assemblies

 #242
20170336551
2017-11-23

Light guide plate, backlight module and display device

 #243
20170322368
2017-11-09

Electronic device including display and light guide

 #244
20170321865
2017-11-09

Luminaire for emitting directional and non-directional light

 #245
20170315358
2017-11-02

LIGHT GUIDE AND VIRTUAL IMAGE DISPLAY DEVICE

 #246
20170315293
2017-11-02

Flat panel display embedding optical imaging sensor

 #247
20170293068
2017-10-12

Light guide plate, backlight module and wearable device

 #248
20170293061
2017-10-12

LIGHT GUIDE PLATE AND LIGHT GUIDE PLATE TOOLING APPARATUS

 #249
20170287412
2017-10-05

ADJUSTABLE BACKLIGHT MODULE

 #250
20170285250
2017-10-05

Light guide plate and method of producing the same

 #251
20170276945
2017-09-28

Optical element, display device, and manufacturing method for optical element

 #252
20170276315
2017-09-28

Vehicle lamp

 #253
20170242181
2017-08-24

Light steering backlight

 #254
20170242177
2017-08-24

Cross runner light fixture

 #255
20170235036
2017-08-17

Film-based lightguide having a stacked array of coupling portions wrapped by a portion of a light mixing region

 #256
20170227705
2017-08-10

Display device and illumination device

 #257
20170205567
2017-07-20

Luminaires utilizing edge coupling

 #258
20170184855
2017-06-29

Virtual image display apparatus

 #259
20170184854
2017-06-29

Virtual image display apparatus

 #260
20170184784
2017-06-29

Liquid crystal display device

 #261
20170184783
2017-06-29

Display apparatus

 #262
20170184779
2017-06-29

Illumination device in which source light injection is non-parallel to device's optical axis

 #263
20170184778
2017-06-29

Planar illumination apparatus with scattering unit by rayleigh scattering

 #264
20170176663
2017-06-22

EDGE-LIT BACKLIGHT UNIT AND REFLECTIVE TAPE MEMBER

 #265
20170168225
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