ClassID:

155193

F21V29/51 - CPC Classification

Classification description:

Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems; Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes

Sub-classes:
Recent Application in this class:
#1
20260055873
2026-02-26

COOLING DEVICE, LIGHTING DEVICE FOR A MOTOR VEHICLE, AND MOTOR VEHICLE

#2
20250224107
2025-07-10

LED LUMINAIRE THERMAL MANAGEMENT SYSTEM

#3
20250172743
2025-05-29

SYSTEMS FOR AN OPTICAL DEVICE

#4
20250172275
2025-05-29

SYSTEMS FOR AN OPTICAL DEVICE

#5
20250122996
2025-04-17

FLUID-COOLED LED-BASED LIGHTING METHODS AND APPARATUS IN CLOSE PROXIMITY GROW SYSTEMS FOR CONTROLLED ENVIRONMENT HORTICULTURE

#6
20250075868
2025-03-06

Lighting Devices Having Optical Waveguides for Controlled Light Distribution

#7
20240337375
2024-10-10

LIGHT EMITTING DEVICE WITH HEAT SPACER

#8
20240200765
2024-06-20

A VAPOR CHAMBER

#9
20240183523
2024-06-06

ENHANCED THERMAL DESIGN FOR HIGH POWER LIGHTING FIXTURE

#10
20230417382
2023-12-28

Lighting devices having optical waveguides for controlled light distribution

#11
20230400178
2023-12-14

LED LUMINAIRE THERMAL MANAGEMENT SYSTEM

#12
20230296236
2023-09-21

System comprising luminescent material and two-phase cooling device

#13
20230258411
2023-08-17

VAPOR CHAMBER ASSEMBLY

#14
20230184422
2023-06-15

Vapor chamber element

#15
20230175681
2023-06-08

Vapor chamber cooled high lumen device with improved cooling solution

#16
20230045981
2023-02-16

LED light assembly with bent PCB

#17
20230003371
2023-01-05

Illumination apparatus

#18
20220341561
2022-10-27

Heat dissipating structure for automotive LED headlight

#19
20220340299
2022-10-27

Runway-embedded flash lighting device and heat conducting member

#20
20220307680
2022-09-29

Light emitting device

#21
20220290851
2022-09-15

Deep ultraviolet light source

#22
20220290824
2022-09-15

Lighting device

#23
20220170603
2022-06-02

Lighting devices having optical waveguides for controlled light distribution

#24
20220136689
2022-05-05

LED lighting device

#25
20220136669
2022-05-05

Vehicle lamp heat dissipation system

#26
20220099287
2022-03-31

LED luminaire thermal management system

#27
20220034461
2022-02-03

LED-based lighting fixture providing a selectable chromaticity

#28
20220022291
2022-01-20

Household oven with LED illumination

#29
20220021180
2022-01-20

System and device with laser array illumination

#30
20220010951
2022-01-13

High intensity discharge light assembly

#31
20220003400
2022-01-06

Flash lamp

#32
20210394927
2021-12-23

Runway-embedded flash lighting device and heat conducting member

#33
20210325009
2021-10-21

Lighting device

#34
20210278072
2021-09-09

Fluid-cooled LED-based lighting methods and apparatus in close proximity grow systems for Controlled Environment Horticulture

#35
20210254817
2021-08-19

Lighting device

#36
20210235557
2021-07-29

Removable LED module

#37
20210221533
2021-07-22

Systems and methods for mitigating condensation in aircraft lighting

#38
20210172593
2021-06-10

Device for dissipating heat from a heat source, and use thereof

#39
20210136889
2021-05-06

Digitally adjustable focused beam lighting system

#40
20210080094
2021-03-18

LED LUMINAIRE DEVICE WITH ACTIVE COOLING SYSTEM USING PHASE CHANGING MATERIAL

#41
20210033952
2021-02-04

Heat dissipating module and projection device

#42
20200386395
2020-12-10

ED luminaire thermal management system

#43
20200370743
2020-11-26

Illumination device cooling module and cooling device including same

#44
20200355341
2020-11-12

Headlight for a vehicle with a cooling device for a semiconductor illuminant

#45
20200300451
2020-09-24

Cooling device, light source device, and medical observation system

#46
20200292162
2020-09-17

Illumination module for emitting light directed in parallel

#47
20200243417
2020-07-30

Component carrier comprising at least one heat pipe and method for producing said component carrier

#48
20200236759
2020-07-23

Removable LED module with zonal intensity control

#49
20200232626
2020-07-23

Removable LED module with rotated LED emitter groups

#50
20200232625
2020-07-23

Removable LED module

#51
20200224866
2020-07-16

Intelligently-connected vehicle LED headlight using graphene

#52
20200166203
2020-05-28

Light source cooling body, light source assembly, a luminaire and method to manufacture a light source cooling or a light source assembly

#53
20200158323
2020-05-21

Heat sinks for light fixtures

#54
20200116344
2020-04-16

High intensity discharge light assembly

#55
20200088367
2020-03-19

Light fixture with narrow light distribution

#56
20200088366
2020-03-19

Modular in-grade fixture with heat pipes

#57
20200031026
2020-01-30

Curing-device

#58
20190368714
2019-12-05

Flash lamp

#59
20190360679
2019-11-28

Single optic LED venue lighting fixture

#60
20190320514
2019-10-17

Digitally adjustable focused beam lighting system

#61
20190250324
2019-08-15

Luminaires utilizing optical waveguide

#62
20190249857
2019-08-15

LED heat pipe assembly

#63
20190185181
2019-06-20

LED lighting devices with PAR form fit

#64
20190113204
2019-04-18

Light source module for vehicle

#65
20190049103
2019-02-14

Active radiator with omnidirectional air convection and stage lighting fixture using the same

#66
20190041025
2019-02-07

AUTOMOTIVE LAMP

#67
20190024859
2019-01-24

Modular in-grade fixture with heat pipes

#68
20190021583
2019-01-24

Light source apparatus for endoscope having first second and third heat sinks for respective light sources and a first air flow through the first and third heat sinks and a merged air flow through the second heat sink

#69
20190017667
2019-01-17

LED (LIGHT EMITTING DIODE) LUMINAIRES, HEAT DISSIPATION MODULES AND METHODS OF USE

#70
20180347800
2018-12-06

LED-based dental exam lamp

#71
20180331267
2018-11-15

LED illumination module having plural LED elements and secondary cooling element

#72
20180328579
2018-11-15

LED lighting apparatus

#73
20180328550
2018-11-15

Lamp

#74
20180320879
2018-11-08

Heat sinks for light fixtures

#75
20180283673
2018-10-04

LED LIGHTING MODULE, SYSTEM, AND METHOD

#76
20180266669
2018-09-20

Vehicular headlamp

#77
20180252377
2018-09-06

Light emitting module

#78
20180245784
2018-08-30

Lamp comprising cooling means

#79
20180231230
2018-08-16

LED lighting fixture

#80
20180216802
2018-08-02

Light systems including field replaceable assembly, and methods of assembling and operating the same

#81
20180184513
2018-06-28

Light engine system preferred in LED-based lighting systems

#82
20180177034
2018-06-21

Variable frequency LEDs and time-based frequency-variable drivers for LED lighting

#83
20180156441
2018-06-07

HEAT DISSIPATION DEVICE FOR LAMP

#84
20180135847
2018-05-17

Atmospheric greenhouse gas removal

#85
20180135827
2018-05-17

Light lamp for vehicle

#86
20180135826
2018-05-17

Light lamp for vehicle

#87
20180135825
2018-05-17

Light lamp for vehicle

#88
20180135816
2018-05-17

ILLUMINATING UNIT AND PROJECTION DISPLAY APPARATUS

#89
20180096912
2018-04-05

Component carrier comprising at least one heat pipe and method for producing said component carrier

#90
20180073716
2018-03-15

Light source device

#91
20180073697
2018-03-15

Lighting system with a laser light source for a motor vehicle

#92
20180059521
2018-03-01

Light source device, image projector, and method for disposing light source device

#93
20180023777
2018-01-25

VEHICLE HEADLAMP

#94
20170307199
2017-10-26

Light source unit and cooling method of the light source unit

#95
20170295734
2017-10-19

Bioreactor using macroalgae

#96
20170284738
2017-10-05

Heat radiating apparatus and light illuminating apparatus with the same

#97
20170269371
2017-09-21

Light fixture with narrow light distribution

#98
20170219197
2017-08-03

High Power LED Illuminant Based on Heat Pipe Principle

#99
20170211795
2017-07-27

FLEXIBLE COILED ARTERY WICK

#100
20170205062
2017-07-20

Light irradiating device

#101
20170199448
2017-07-13

Light source apparatus including force reducing supporting section

#102
20170198898
2017-07-13

Light-emitting diode illumination type ellipsoidal spotlight

#103
20170184296
2017-06-29

THERMO-OPTICAL ENCLOSURE FOR LED LIGHTING APPLICATIONS

#104
20170094756
2017-03-30

LED lighting system having at least one heat sink and a power adjustment module for modifying current flowing through the LEDs

#105
20170089559
2017-03-30

Light source device

#106
20170082277
2017-03-23

SOLID STATE LIGHT FIXTURE WITH ENHANCED THERMAL COOLING AND COLOR MIXING

#107
20170075201
2017-03-16

LIGHT SOURCE APPARATUS AND IMAGE DISPLAY APPARATUS

#108
20170031085
2017-02-02

Luminaires utilizing optical waveguide

#109
20170030566
2017-02-02

Lighting device, assembly and method

#110
20170030533
2017-02-02

Lighting system and method of lighting

#111
20170016583
2017-01-19

LED lamp with high color rendering index

#112
20160377277
2016-12-29

Fluid cooled lamp

#113
20160369965
2016-12-22

Light emitting module

#114
20160356477
2016-12-08

PHASE-CHANGE HEAT DISSIPATING DEVICE AND LAMP

#115
20160348887
2016-12-01

Illumination apparatus with heat radiation member

#116
20160341412
2016-11-24

LED LIGHTING APPARATUS

#117
20160327258
2016-11-10

Modular in-grade fixture with heat pipes

#118
20160320043
2016-11-03

Heat sink for lighting device

#119
20160312981
2016-10-27

Light emitting module

#120
20160312978
2016-10-27

Light emitting module

#121
20160282547
2016-09-29

Radiator, backlight module and display module

#122
20160281041
2016-09-29

Bioreactor using a macroalgae

#123
20160252240
2016-09-01

LED LIGHTING APPARATUS

#124
20160238227
2016-08-18

LED lighting system with forced air cooling

#125
20160201891
2016-07-14

LED ring assembly

#126
20160187555
2016-06-30

Luminaire utilizing waveguide

#127
20160186970
2016-06-30

Luminaire utilizing light emitting diodes

#128
20160161100
2016-06-09

Illumination device

#129
20160146447
2016-05-26

Heat-dissipating socket for lighting fixtures

#130
20160133811
2016-05-12

High-power LED lamp cooling device and method for manufacturing the same

#131
20160131357
2016-05-12

Low light failure, high power led street lamp and method for manufacturing the same

#132
20160102854
2016-04-14

Cooling mechanism for LED light using 3-D phase change heat transfer

#133
20150354776
2015-12-10

LED automobile headlamp

#134
20150343795
2015-12-03

Light irradiation apparatus and printing apparatus

#135
20150330617
2015-11-19

LED MODULE

#136
20150330581
2015-11-19

LED lamp with high color rendering index

#137
20150308655
2015-10-29

LED venue lighting system with first and second housing having an air passage therebetween

#138
20150285485
2015-10-08

Lamp radiator and LED energy saving lamp

#139
20150285482
2015-10-08

SLEEVE-TYPE HEAT DISSIPATER FOR LAMP

#140
20150276196
2015-10-01

Light irradiation apparatus and printing apparatus

#141
20150272097
2015-10-01

Fish attracting lamp device and a system thereof

#142
20150260388
2015-09-17

Luminaire having heat transfer device adaptable to different luminaire housing shapes and method of assembling the luminaire

#143
20150252998
2015-09-10

LED light bulbs

#144
20150252996
2015-09-10

Lighting device with integrated lens heat sink

#145
20150233567
2015-08-20

Heat pipe for cooling optical sources

#146
20150233564
2015-08-20

Optothermal LED lighting for high lumen extraction and extended lifetime

#147
20150226417
2015-08-13

Temperature-controlled laser light source device and projector device incorporating the laser light source device

#148
20150219329
2015-08-06

LED LIGHTING

#149
20150219308
2015-08-06

Lighting device with a LED and an improved reflective collimator

#150
20150160396
2015-06-11

Luminaire utilizing waveguide

#151
20150159851
2015-06-11

LED lamp

#152
20150138830
2015-05-21

Heat dissipation pipe loop and backlight module using same

#153
20150103527
2015-04-16

Lighting apparatus

#154
20150098223
2015-04-09

Omnidirectional LED bulb

#155
20150062957
2015-03-05

LED-based dental exam lamp

#156
20150062862
2015-03-05

On-camera LED fresnel lighting system including active cooling

#157
20150016123
2015-01-15

Automotive LED headlight cooling system

#158
20140362582
2014-12-11

Lighting device, heat transfer structure and heat transfer element

#159
20140362573
2014-12-11

LED module and LED lamp employing same

#160
20140355270
2014-12-04

LED light bulbs

#161
20140301067
2014-10-09

LED retrofitting system for post top outdoor lighting

#162
20140226322
2014-08-14

Linear LED light module

#163
20140159578
2014-06-12

Apparatus for using heat pipes in controlling temperature of an LED light unit

#164
20140063777
2014-03-06

Light bulb with automated emergency operation

#165
20140055036
2014-02-27

Web browser configurable and programmable light bulb

#166
20130294070
2013-11-07

HIGH BAY LIGHT

#167
20130265783
2013-10-10

Detachable lamp

#168
20130223064
2013-08-29

LED projection lamp having a cylindrical heat sink

#169
20130194796
2013-08-01

Lamp structure with remote LED light source

#170
20130170217
2013-07-04

Illuminator arrangement with less heat intervention

#171
20130170210
2013-07-04

LED fixture with heat pipe

#172
20130107547
2013-05-02

Heat pipe, heat dissipating module and illumination device

#173
20130088871
2013-04-11

Optical semiconductor lighting apparatus

#174
20130083515
2013-04-04

LED LAMP

#175
20130063933
2013-03-14

Modular Integrated High Power LED Luminaire

#176
20130058107
2013-03-07

Advanced Synjet Cooler Design for LED Light Modules

#177
20130051038
2013-02-28

LED lighting device and streetlight device having same

#178
20130051007
2013-02-28

Annular-arranged lamp capable of backward projecting by concave sphere

#179
20130049041
2013-02-28

Thermal conductivity and phase transition heat transfer mechanism including optical element to be cooled by heat transfer of the mechanism

#180
20130049040
2013-02-28

Phosphor incorporated in a thermal conductivity and phase transition heat transfer mechanism

#181
20130044517
2013-02-21

ELECTRICAL LIGHTING DEVICE

#182
20130039057
2013-02-14

LED lighting fixture

#183
20130021802
2013-01-24

Sealed electrical device with cooling system and associated methods

#184
20130021789
2013-01-24

Micro-channel-cooled high heat load light emitting device

#185
20130010489
2013-01-10

Vehicular LED lamp

#186
20130010479
2013-01-10

LED lighting device

#187
20130003376
2013-01-03

Semiconductor lamp with thermal handling system

#188
20120327670
2012-12-27

Hybrid solid state emitter printed circuit board for use in a solid state directional lamp

#189
20120327664
2012-12-27

Retroreflective, multi-element design for a solid state directional lamp

#190
20120314415
2012-12-13

LED lighting apparatus

#191
20120307500
2012-12-06

LED lamp assembly with thermal management system

#192
20120294002
2012-11-22

VAPOR CHAMBER COOLING OF SOLID-STATE LIGHT FIXTURES

#193
20120287601
2012-11-15

High efficiency LED lamp

#194
20120286640
2012-11-15

Solid state lights with thermosiphon liquid cooling structures and methods

#195
20120280267
2012-11-08

Lighting device with reverse tapered heatsink

#196
20120279685
2012-11-08

PHASE-CHANGE TURBO-DISSIPATION COOLER

#197
20120268691
2012-10-25

Edge-lit backlight device and liquid crystal display

#198
20120257375
2012-10-11

Light emitting diode lamp source

#199
20120250334
2012-10-04

LED lamp

#200
20120247707
2012-10-04

Active thermal management device and thermal management method

#201
20120236567
2012-09-20

LED lamp

#202
20120206927
2012-08-16

LARGE LED LIGHTING APPARATUS

#203
20120205706
2012-08-16

TWO-PHASE COOLING FOR LIGHT-EMITTING DEVICES

#204
20120198695
2012-08-09

Manufacturing method of heat pipe type heat-dissipating device

#205
20120195042
2012-08-02

Non-glare reflective LED lighting apparatus with heat sink mounting

#206
20120182711
2012-07-19

Omnidirectional LED based solid state lamp

#207
20120176032
2012-07-12

LED lamp with improved heat sink

#208
20120170302
2012-07-05

LED-based dental exam lamp with variable chromaticity

#209
20120170272
2012-07-05

LIGHT SOURCE PACKAGE

#210
20120168129
2012-07-05

ADAPTIVE HEAT DISSIPATING DEVICE

#211
20120162983
2012-06-28

Lamp assembly and method for making

#212
20120161626
2012-06-28

LED lamp with high color rendering index

#213
20120153325
2012-06-21

Integrated reflector and thermal spreader and thermal spray fabrication method

#214
20120134147
2012-05-31

Optoelectronic module

#215
20120113641
2012-05-10

LIGHT MODULES CONNECTABLE USING HEAT PIPES

#216
20120113639
2012-05-10

Light emitting diode device with effective heat dissipation

#217
20120098401
2012-04-26

Heat dissipation device and LED lamp using the same

#218
20120098400
2012-04-26

Heat dissipation device and LED lamp using the same

#219
20120098399
2012-04-26

Light-emitting diode lamp

#220
20120087102
2012-04-12

On-camera LED fresnel lighting system including active cooling

#221
20120075864
2012-03-29

Light source device and projector

#222
20120075859
2012-03-29

Thermally managed, high output light-emitting-diode assembly for illumination with ease of retrofitting

#223
20120069543
2012-03-22

LED illuminator module with high heat-dissipating efficiency and manufacturing method therefor

#224
20120063116
2012-03-15

LED Fresnel lighting system including active cooling

#225
20120049715
2012-03-01

Solid state lights with thermosiphon liquid cooling structures and methods

#226
20120047976
2012-03-01

Atmospheric greenhouse gas removal

#227
20120044678
2012-02-23

Active cooling systems for optics

#228
20120043907
2012-02-23

Compact high brightness LED grow light apparatus, using an extended point source LED array with light emitting diodes

#229
20120033425
2012-02-09

LED street lamp and a street lamp fixing device

#230
20120026745
2012-02-02

Cooling module and system for lamp device

#231
20120014099
2012-01-19

Lamp

#232
20110317423
2011-12-29

System in Package High Power Highly Efficient Diode Lamp

#233
20110317420
2011-12-29

Lighting device

#234
20110309734
2011-12-22

LED lamp and a heat sink thereof having a wound heat pipe

#235
20110305020
2011-12-15

LED LAMP AND HEAT-DISSIPATING ASSEMBLY THEREOF

#236
20110304269
2011-12-15

LED lamp for easy assembly and fixation

#237
20110303946
2011-12-15

Thermal storage system using encapsulated phase change materials in LED lamps

#238
20110298371
2011-12-08

LED light bulbs

#239
20110298350
2011-12-08

Lighting device with reverse tapered heatsink

#240
20110286207
2011-11-24

Linear LED light module

#241
20110285267
2011-11-24

SOLID-STATE LIGHT BULB HAVING AN ION WIND FAN AND A HEAT PIPE

#242
20110279037
2011-11-17

Method and apparatus for using thermionic devices to recover energy from light sources and other energy conversion devices

#243
20110267820
2011-11-03

OUTSIDE LIGHT AND REPLACEMENT FOR HIGH PRESSURE LAMP

#244
20110267815
2011-11-03

Thermosyphon light engine and luminaire including same

#245
20110267801
2011-11-03

LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties

#246
20110255295
2011-10-20

OUTDOOR HIGH POWDER LIGHT-EMITTING DIODE ILLUMINATING EQUIPMENT

#247
20110241549
2011-10-06

Light generator systems and methods

#248
20110235335
2011-09-29

Lighting apparatus

#249
20110235329
2011-09-29

Lamp using LED

#250
20110228540
2011-09-22

Semiconductor light-emitting apparatus integrated with heat-conducting/dissipating module

#251
20110228523
2011-09-22

Solar LED lamp

#252
20110222281
2011-09-15

Cooling large arrays with high heat flux densities

#253
20110221324
2011-09-15

Light emitting diode (LED) lamp

#254
20110193479
2011-08-11

Evaporation Cooled Lamp

#255
20110193473
2011-08-11

White light lamp using semiconductor light emitter(s) and remotely deployed phosphor(s)

#256
20110188249
2011-08-04

Light-emitting diode illuminating equipment with high power and high heat dissipation efficiency

#257
20110176317
2011-07-21

Electrical circuit arrangement

#258
20110176316
2011-07-21

Semiconductor lamp with thermal handling system

#259
20110176291
2011-07-21

Semiconductor lamp

#260
20110170297
2011-07-14

Illumination device comprising a light-emitting diode

#261
20110139427
2011-06-16

Heat dissipation device

#262
20110134645
2011-06-09

LED lamp assembly with thermal management system

#263
20110110108
2011-05-12

Remote cooling by combining heat pipe and resonator for synthetic jet cooling

#264
20110110088
2011-05-12

System in package high power highly efficient diode lamp

#265
20110089804
2011-04-21

Thermal management of led-based illumination devices with synthetic jet ejectors

#266
20110074296
2011-03-31

Light-emitting diode illumination apparatuses

#267
20110073159
2011-03-31

Heat Dissipating Device and Module Using Same

#268
20110063831
2011-03-17

Thermally managed LED recessed lighting apparatus

#269
20110051449
2011-03-03

Arrangement for cooling semiconductor light sources and floodlight having this arrangement

#270
20110051448
2011-03-03

Vehicle headlight

#271
20110050070
2011-03-03

Lighting device with heat dissipation elements

#272
20110043092
2011-02-24

LED bulb for high intensity discharge bulb replacement

#273
20110042042
2011-02-24

RADIATING PACKAGE MODULE FOR EXOTHERMIC ELEMENT

#274
20110037390
2011-02-17

Multi-chip package LED lighting device

#275
20110037369
2011-02-17

Light emitting module, heat sink and illumination system

#276
20110032714
2011-02-10

LED lighting fixture

#277
20110032708
2011-02-10

Solid state light with optical guide and integrated thermal guide

#278
20110030920
2011-02-10

Heat Sink Structure

#279
20110026251
2011-02-03

LED illuminating device

#280
20110017441
2011-01-27

Heat Sink Using Latent Heat of LED Street Light

#281
20110012512
2011-01-20

Solid state light fixture with enhanced thermal cooling and color mixing

#282
20110006658
2011-01-13

Solid state lighting device with improved heatsink

#283
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2011-01-13

LED illuminating device

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2010-12-30

Waterproof assembly of LED lamp cup

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2010-12-30

LED ILLUMINATION DEVICE

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2010-12-23

WATER-COOLING MODULE FOR LED HEADLAMP

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Light emitting diode lamp

#288
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2010-12-09

LED LAMP HEAT DISSIPATING MODULE

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2010-11-25

Vehicle headlamp

#290
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2010-11-25

ENERGY TRANSDUCING APPARATUS AND ENERGY TRANSDUCING EQUIPMENT

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Airfield lighting device

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Display device

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Light-Emitting Diode Illuminating Equipment

#294
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2010-10-28

Lighting assemblies and systems

#295
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2010-10-21

LED illumination device and light engine thereof

#296
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2010-10-21

Lighting device and method for manufacturing same

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2010-10-21

LED illuminating device

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2010-10-21

LED lamp

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2010-10-21

Reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency

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2010-10-14

LED lamp