ClassID:

204091

H01H2219/036 - CPC Classification

Classification description:

Legends Light emitting elements

Sub-classes:
Recent Application in this class:
#1
20260058073
2026-02-26

Button Structure with Display

#2
20250349485
2025-11-13

PERFORMANCE IMPROVEMENT UNIT FOR PULSED-ULTRAVIOLET DEVICES

#3
20240370061
2024-11-07

COMPUTER WITH KEYBOARD

#4
20240249902
2024-07-25

PERFORMANCE IMPROVEMENT UNIT FOR PULSED-ULTRAVIOLET DEVICES

#5
20230298842
2023-09-21

Performance improvement unit for pulsed-ultraviolet devices

#6
20230274895
2023-08-31

Rotary lockout tagout latch system

#7
20230259174
2023-08-17

Computer with keyboard

#8
20230084154
2023-03-16

COMPUTER KEYBOARD WITH A DISPLAY

#9
20220365566
2022-11-17

Computer with keyboard

#10
20220357802
2022-11-10

ELECTRICAL KEY SUPPORT MEMBRANE

#11
20220277908
2022-09-01

Input device

#12
20220037101
2022-02-03

INFORMATION HANDLING SYSTEM KEYBOARD EMBEDDED MICRO LED BACKLIGHT

#13
20210327661
2021-10-21

KEYBOARD HAVING TOUCH-SENSITIVE KEYCAPS WHICH ARE ALSO PRESSABLE AND METHOD FOR MAKING SAME

#14
20210191022
2021-06-24

Keyboard with light guiding nameplate

#15
20210118631
2021-04-22

LASER-CUT BUTTON VENEER FOR A CONTROL DEVICE HAVING A BACKLIT KEYPAD

#16
20210074492
2021-03-11

BASE PLATE AND KEY ASSEMBLY

#17
20210057175
2021-02-25

Switch apparatus for automobile

#18
20200411269
2020-12-31

Performance improvement unit for pulsed-ultraviolet devices

#19
20200379520
2020-12-03

Computer with keyboard

#20
20200356184
2020-11-12

Graphical user interface (GUI) manipulation using hand gestures over a hovering keyboard

#21
20200321171
2020-10-08

Luminous Keycap and the Manufacturing Method Thereof

#22
20200273642
2020-08-27

Base plate, key assembly, illuminated key input device and manufacturing method of base plate

#23
20200273641
2020-08-27

Touch control device

#24
20200272259
2020-08-27

Tough device

#25
20200272248
2020-08-27

Input device

#26
20200272206
2020-08-27

Input device

#27
20200200341
2020-06-25

Detachable Night Lamp

#28
20200185898
2020-06-11

Modular electrical wiring device assemblies

#29
20200161069
2020-05-21

Performance improvement unit for pulsed-ultraviolet devices

#30
20200144003
2020-05-07

Module cover for a key module for a key, key module for a key, and method for producing a key

#31
20200090884
2020-03-19

INFORMATION HANDLING SYSTEM KEYBOARD BACKLIGHT

#32
20190378665
2019-12-12

Control panel push button

#33
20190368706
2019-12-05

Light source board, manufacturing method thereof, and luminous keyboard using the same

#34
20190341204
2019-11-07

Key structure with display module

#35
20190295790
2019-09-26

Switch knob and operating module having the same

#36
20190228932
2019-07-25

LUMINOUS MEMBRANE KEYBOARD

#37
20190228930
2019-07-25

LUMINOUS PRESS KEY MODULE

#38
20190221382
2019-07-18

Laser-cut button veneer for a control device having a backlit keypad

#39
20190189372
2019-06-20

Keypad device with rocker button mechanism

#40
20190172663
2019-06-06

Luminous keyboard

#41
20190171297
2019-06-06

Luminous keyboard

#42
20190164712
2019-05-30

Circuit interrupter with audible indication and method of operating a circuit interrupter

#43
20190148091
2019-05-16

LUMINOUS KEYBOARD

#44
20190148089
2019-05-16

Method and apparatus for authenticating and detecting circuit breaker integrity

#45
20190131086
2019-05-02

Keypad device with rocker button mechanism

#46
20190122836
2019-04-25

Light-emitting assembly for keyboard

#47
20190122835
2019-04-25

Key structure

#48
20190115731
2019-04-18

Ganging a plurality of wall mounted electric devices

#49
20190088425
2019-03-21

KEYBOARD AND MEMBRANE SWITCH CIRCUIT

#50
20190066947
2019-02-28

KEYBOARD KEY STRUCTURE

#51
20190033923
2019-01-31

Computer with keyboard

#52
20190027326
2019-01-24

Luminous keyboard

#53
20190013164
2019-01-10

Luminous keyboard

#54
20190013163
2019-01-10

LUMINOUS KEYBOARD

#55
20180375308
2018-12-27

Modular electrical wiring device system

#56
20180366285
2018-12-20

Switch and keyboard

#57
20180350536
2018-12-06

Thin Keyboard Device

#58
20180323018
2018-11-08

Emergency stop device

#59
20180301301
2018-10-18

Cooking appliance and knob assembly removably mounted to a control panel of the cooking appliance

#60
20180240624
2018-08-23

Operator control apparatus for a domestic appliance comprising a light guide for illuminating multiple zones of a front cap with different light intensities, domestic appliance comprising an operator control apparatus of this kind, and method for operating an operator control apparatus

#61
20180218857
2018-08-02

REDUCED LAYER KEYBOARD STACK-UP

#62
20180190446
2018-07-05

Illuminated dual pressure sensing key

#63
20180182574
2018-06-28

Light-pervious bicolor key cap

#64
20180166233
2018-06-14

Illuminated keyboard

#65
20180145485
2018-05-24

Power distributor

#66
20180144885
2018-05-24

Key structure

#67
20180136737
2018-05-17

Changing keyboard lighting before user goes to sleep

#68
20180115142
2018-04-26

Modular push switch mechanism

#69
20180096806
2018-04-05

LIGHT-EMITTING KEYBOARD

#70
20180096805
2018-04-05

Light-emitting keyboard

#71
20180082803
2018-03-22

Thin keyboard device

#72
20180075989
2018-03-15

Backlit keyboard using two thin-film circuit boards

#73
20180075988
2018-03-15

KEY STRUCTURE, MANUFACTURING METHOD THEREOF, AND KEYBOARD DEVICE USING THE SAME

#74
20180025858
2018-01-25

LIGHT EMITTING KEYSWITCH

#75
20170278648
2017-09-28

Push type switch

#76
20170263406
2017-09-14

Fuse cutout monitoring and indication device

#77
20170255276
2017-09-07

Input device configuration having capacitive and pressure sensors

#78
20170250044
2017-08-31

Enclosed type electromagnetic switch having status indication function

#79
20170229265
2017-08-10

SWITCH APPARATUS FOR ENCLOSURES HAVING ENVIRONMENTAL PROTECTION

#80
20170111044
2017-04-20

Capacitive sensitive key structure

#81
20170108937
2017-04-20

Compact light emitting diode chip, light emitting device and electronic device including the same

#82
20170076887
2017-03-16

Surgical instruments with non-contact switch assemblies

#83
20170062148
2017-03-02

CONTROL FOR SNOW PLOW OR WINCH

#84
20170053753
2017-02-23

Laser-cut button veneer for a control device having a backlit keypad

#85
20170032906
2017-02-02

Disconnect operating handles suitable for circuit breakers and related bucket assemblies and handle interlocks

#86
20170018379
2017-01-19

Operating device and image forming apparatus

#87
20170004936
2017-01-05

Luminous keyboard

#88
20170004935
2017-01-05

Keyboard backlight module with improved light guide structure

#89
20160365205
2016-12-15

Keyboard key using an asymmetric scissor-type connecting element

#90
20160365204
2016-12-15

Reduced layer keyboard stack-up

#91
20160359313
2016-12-08

Protective electrical device

#92
20160358729
2016-12-08

Switch device

#93
20160329666
2016-11-10

Portable USB charging hand controller with twist-on cover

#94
20160293358
2016-10-06

Toggle switch and switch device

#95
20160284493
2016-09-29

Illuminated keyboard device

#96
20160284492
2016-09-29

Illuminated keyboard device

#97
20160260558
2016-09-08

Systems and methods for lighting spring loaded mechanical key switches

#98
20160249477
2016-08-25

Modular electrical wiring device system

#99
20160249476
2016-08-25

Modular electrical wiring device system

#100
20160211100
2016-07-21

Trip light circuit breaker

#101
20160196937
2016-07-07

Computer thin film switch keyboard

#102
20160194814
2016-07-07

Laundry treatment apparatus and door of a laundry treatment apparatus

#103
20160189891
2016-06-30

Key and switch housing for keyboard assembly

#104
20160189890
2016-06-30

Venting system and shield for keyboard

#105
20160172130
2016-06-16

Membrane circuit board and light-emitting keyboard using the same

#106
20160172129
2016-06-16

Dome switch and switch housing for keyboard assembly

#107
20160155591
2016-06-02

Wire connection structure of coil device

#108
20160155585
2016-06-02

Operating panel device

#109
20160111832
2016-04-21

Protective electrical device

#110
20160104589
2016-04-14

Switch device for vehicular air conditioning system

#111
20160093452
2016-03-31

Light-emitting assembly for keyboard

#112
20160093451
2016-03-31

LIGHTED CIRCUIT BREAKER STATUS INDICATION DEVICE

#113
20160079013
2016-03-17

Projected knob device

#114
20160079011
2016-03-17

Keyboard illuminated switch circuit

#115
20160071662
2016-03-10

KEYBOARD SWITCH

#116
20160055988
2016-02-25

Illuminated key module

#117
20160042885
2016-02-11

Switches, Switch Arrays, And Keyboards Using The Same

#118
20160035514
2016-02-04

BUTTON COVER FOR IMPROVING UNIFORMITY OF LIGHTING AND METHOD OF MANUFACTURING THE SAME

#119
20160012988
2016-01-14

LIGHT PIPE FOR A FOUR-WAY NAVIGATION SWITCH

#120
20150380189
2015-12-31

Breaker

#121
20150348723
2015-12-03

Push button switch, push button unit, and amusement machine

#122
20150338887
2015-11-26

Portable computing system

#123
20150332874
2015-11-19

Backlit keyboard including reflective component

#124
20150332873
2015-11-19

Modular push switch mechanism

#125
20150332872
2015-11-19

APPARATUS AND BUTTON

#126
20150325388
2015-11-12

Locking system for power line sectioning unit

#127
20150308032
2015-10-29

WASHING MACHINE AND CONTROL PANEL ASSEMBLY THEREOF

#128
20150303007
2015-10-22

LIGHT EMITTING SWITCH APPARATUS AND METHOD FOR MOLDING SWITCH KNOB FOR LIGHT EMITTING SWITCH APPARATUS

#129
20150294815
2015-10-15

Lighted switch

#130
20150288362
2015-10-08

Contactless rotary pull switch

#131
20150279580
2015-10-01

Operation unit

#132
20150270074
2015-09-24

State and operation indicator for a switch

#133
20150255230
2015-09-10

Indicator lamp

#134
20150235789
2015-08-20

Surgical instruments with non-contact switch assemblies

#135
20150235782
2015-08-20

Emergency button for vehicle

#136
20150233335
2015-08-20

Button-type car ignition system

#137
20150221462
2015-08-06

ROTARY SWICH MECHANISM

#138
20150221459
2015-08-06

Disconnect operating handles suitable for circuit breakers and related bucket assemblies and handle interlocks

#139
20150213976
2015-07-30

Switch unit and game machine

#140
20150213975
2015-07-30

Switch device

#141
20150206669
2015-07-23

Control device, in particular for a domestic appliance

#142
20150200064
2015-07-16

Control panel with fashion buttons

#143
20150200062
2015-07-16

Frameless display device

#144
20150187521
2015-07-02

Rotary encoder switch

#145
20150179366
2015-06-25

Switch device

#146
20150171862
2015-06-18

Manually operated switching device for a vehicle with a sensor activation device

#147
20150170850
2015-06-18

Switch device

#148
20150162148
2015-06-11

Rotary knob assembly

#149
20150155116
2015-06-04

MECHANICAL KEYBOARD AND METHOD FOR MOLDING SAME

#150
20150122617
2015-05-07

Washing machine and control panel assembly thereof

#151
20150114810
2015-04-30

Illuminated-type push-button switch and keyboard

#152
20150107974
2015-04-23

KEYBOARD EQUIPPED WITH LIGHT EMITTING STRUCTURE

#153
20150092387
2015-04-02

Light emitting control knob

#154
20150085391
2015-03-26

Bottom mount buttons for a rearview assembly

#155
20150061901
2015-03-05

Systems and methods for lighting spring loaded mechanical key switches

#156
20150047958
2015-02-19

Illumination display switching device

#157
20150015425
2015-01-15

Slim keypad structure and electronic device using the same

#158
20140374232
2014-12-25

Touch switch device with illuminator

#159
20140367241
2014-12-18

Keyboard design

#160
20140367238
2014-12-18

Luminous keyboard device

#161
20140332360
2014-11-13

Keyboard integrated pushbutton with multi illumination

#162
20140204556
2014-07-24

Back light structure and keyboard with back light

#163
20140097071
2014-04-10

Mobile terminal

#164
20140022177
2014-01-23

Input device configuration having capacitive and pressure sensors

#165
20140014488
2014-01-16

BACK LIGHTED MEMBRANE KEYBOARD WITH PARTS BEING SECURED TOGETHER BY SUBJECTING TO ULTRASONIC WELDING

#166
20130321788
2013-12-05

Lithographic apparatus and device manufacturing method

#167
20130313093
2013-11-28

KEYBOARD DEVICE

#168
20130280931
2013-10-24

Shutter assembly for electrical devices

#169
20130164068
2013-06-27

BONDED KEYBOARD AND METHOD FOR MAKING THE SAME

#170
20130162450
2013-06-27

Illuminated keyboard

#171
20130161172
2013-06-27

Keyboard with position sensing mechanism

#172
20130161171
2013-06-27

Keyboard mechanisms for electronic devices

#173
20130002557
2013-01-03

Slim keypad structure and electronic device using the same

#174
20120292169
2012-11-22

Quantum dots in electronic device exterior surface

#175
20120199455
2012-08-09

Keyboard design

#176
20120162085
2012-06-28

Methods and apparatus for efficient illumination of individual keys in a keyboard

#177
20120048702
2012-03-01

Illuminated keyboard

#178
20120048701
2012-03-01

Illuminated keyboard

#179
20110147180
2011-06-23

Illuminated keyboard

#180
20110011711
2011-01-20

Computer keyboard having illuminated keys with a sensed light condition

#181
20100020028
2010-01-28

Control module for an automotive vehicle using a touch sensor

#182
20090308722
2009-12-17

Keyboard with lighting system

#183
20080289940
2008-11-27

Washing machine and control panel assembly thereof

#184
20080224347
2008-09-18

Method for manufacturing keypad

#185
20080223702
2008-09-18

Keypad assembly

#186
20080000763
2008-01-03

Push Button Assembly

#187
20070246336
2007-10-25

Illuminating of an electrical device

#188
20070221486
2007-09-27

Keypad for data entry

#189
20070151835
2007-07-05

Interior fitting for a vehicle and method for the production thereof

#190
20060289284
2006-12-28

Touch input device

#191
20060278514
2006-12-14

Control lever for a manipulator

#192
20050217986
2005-10-06

Metal dome sheet in mobile communication terminal and keypad thereof

#193
20050167254
2005-08-04

Transmissive key sheet, input keys using transmissive key sheet and electronic equipment with input keys

#194
20050073446
2005-04-07

Selective keyboard illumination

#195
17454058
2022-06-21

Backlight module

#196
17165631
2021-12-21

Keycap structure

#197
16886220
2020-12-22

Backlight module

#198
16426681
2022-07-26

Electrical key support membrane

#199
16420568
2020-03-17

Illuminating keyboard and light emitting module thereof

#200
16408177
2020-07-21

User identification via hand detection using a hovering keyboard

#201
16225939
2020-05-12

Keypad light ring for audio device

#202
15946695
2021-01-05

Light control diaphragm for an electronic device

#203
15809535
2018-11-27

Method and apparatus for authenticating and detecting circuit breaker integrity

#204
15371573
2018-02-06

Light guide plate and light emitting keyboard having the same

#205
15351027
2018-02-27

Control system

#206
14831466
2016-11-15

Luminous keyboard

#207
14831425
2016-11-22

Luminous keyboard

#208
14610494
2016-11-15

Control system