Patents-Review.com
ClassID:

204104 ⎘

H01H2219/056 - CPC Classification

Classification description:

Legends; Optical elements Diffuser; Uneven surface

Recent Application in this class:
#1
20260155322
2026-06-04

KEY STRUCTURE

 #2
20260018350
2026-01-15

BACKLIGHT MODULE AND LIGHTING KEYBOARD

 #3
20260004980
2026-01-01

BACKLIGHT MODULE FOR LIGHTING KEYBOARD

 #4
20250273413
2025-08-28

Keypad Having Illuminated Buttons

 #5
20250044874
2025-02-06

DEVICE HAVING INTEGRATED INTERFACE SYSTEM

 #6
20240379303
2024-11-14

LIGHTING KEYBOARD AND BACKLIGHT MODULE FOR THE SAME

 #7
20240274379
2024-08-15

Lighting keyboard and backlight module for the same

 #8
20240170235
2024-05-23

Keypad having illuminated buttons

 #9
20240103640
2024-03-28

LOW-TRAVEL ILLUMINATED KEY MECHANISM

 #10
20240096567
2024-03-21

BACKLIGHT MODULE AND BACKLIGHT KEYSWITCH THEREOF

 #11
20230420199
2023-12-28

LIGHTING KEYBOARD, BACKLIGHT MODULE AND LIGHTING BOARD

 #12
20230360869
2023-11-09

LIGHTING KEYBOARD AND BACKLIGHT MODULE THEREOF

 #13
20230333658
2023-10-19

Device having integrated interface system

 #14
20220326777
2022-10-13

Device having integrated interface system

 #15
20220300088
2022-09-22

Low-travel illuminated key mechanism

 #16
20220165515
2022-05-26

Keypad having illuminated buttons

 #17
20220037101
2022-02-03

INFORMATION HANDLING SYSTEM KEYBOARD EMBEDDED MICRO LED BACKLIGHT

 #18
20210356644
2021-11-18

Illuminating device comprising a symbol and input device comprising the same

 #19
20210166895
2021-06-03

Keycaps having reduced thickness

 #20
20210051778
2021-02-18

Keypad having illuminated buttons

 #21
20210043398
2021-02-11

METHOD AND APPARATUS FOR RANGING FINDING, ORIENTING AND/OR POSITIONING OF SINGLE AND/OR MULTIPLE DEVICES

 #22
20200278747
2020-09-03

Device having integrated interface system

 #23
20200272244
2020-08-27

Multilayout keyboard

 #24
20200238900
2020-07-30

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #25
20200227217
2020-07-16

Apparatus and method of backlighting through a cover on the apparatus

 #26
20190371538
2019-12-05

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

 #27
20190371537
2019-12-05

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

 #28
20190275934
2019-09-12

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #29
20190275933
2019-09-12

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #30
20190275932
2019-09-12

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #31
20190275931
2019-09-12

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #32
20190275930
2019-09-12

Soft upper trim for switch assembly of vehicle door and method of manufacturing the same

 #33
20190230762
2019-07-25

Keypad having illuminated buttons

 #34
20190214202
2019-07-11

Keyboard device

 #35
20190214201
2019-07-11

Keycaps having reduced thickness

 #36
20190212831
2019-07-11

Low-travel illuminated key mechanism

 #37
20190206641
2019-07-04

Light-based switching for keyboard

 #38
20190172662
2019-06-06

Luminous keyboard having translucent light diffusing rubber domes

 #39
20190162372
2019-05-30

Light vectoring apparatus

 #40
20190155399
2019-05-23

Method for manufacturing keycaps of capped keyboard apparatus

 #41
20190051473
2019-02-14

Apparatus and method of backlighting through a cover on the apparatus

 #42
20190027325
2019-01-24

Keyboard for electronic device

 #43
20180218859
2018-08-02

Device having integrated interface system

 #44
20180217669
2018-08-02

Device having integrated interface system

 #45
20180217668
2018-08-02

Device having integrated interface system

 #46
20170301487
2017-10-19

Keycaps having reduced thickness

 #47
20170221652
2017-08-03

Illuminated keyswitch

 #48
20170205560
2017-07-20

Backlighting for a button assembly and method

 #49
20170184273
2017-06-29

Input component, sensor sheet, and decorative component

 #50
20170090106
2017-03-30

Illumination structure for uniform illumination of keys

 #51
20170090104
2017-03-30

Illumination structure for uniform illumination of keys

 #52
20170018382
2017-01-19

Optically transmissive key assemblies for display-capable keyboards, keypads, or other user input devices

 #53
20170011869
2017-01-12

Keyboard for electronic device

 #54
20170004939
2017-01-05

Keycaps with reduced thickness

 #55
20160351360
2016-12-01

Keyboard for electronic device

 #56
20160217945
2016-07-28

Luminous keyboard

 #57
20160209251
2016-07-21

Illuminated indicator structures for electronic devices

 #58
20160115713
2016-04-28

Lock with water-resistant touch keypad

 #59
20160079011
2016-03-17

Keyboard illuminated switch circuit

 #60
20160035514
2016-02-04

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

 #61
20150362658
2015-12-17

Lighting device for button of audio-visual system

 #62
20150270079
2015-09-24

Backlighting assembly for a keypad

 #63
20150235782
2015-08-20

Emergency button for vehicle

 #64
20150213976
2015-07-30

Switch unit and game machine

 #65
20150138096
2015-05-21

Keyboard backlighting with deposited light-generating sources

 #66
20150090571
2015-04-02

Keycaps having reduced thickness

 #67
20150090570
2015-04-02

Keycaps with reduced thickness

 #68
20150076211
2015-03-19

SURGICAL INSTRUMENT CONTROLS WITH ILLUMINATED FEEDBACK

 #69
20150047958
2015-02-19

Illumination display switching device

 #70
20150036314
2015-02-05

Luminous keyboard

 #71
20140202839
2014-07-24

Key assembly for a handheld electronic device having a one-piece keycap

 #72
20140144764
2014-05-29

Optically transmissive key assemblies for display-capable keyboards, keypads, or other user input devices

 #73
20140061017
2014-03-06

Luminescent keyswitch module and keyboard thereof

 #74
20140034467
2014-02-06

ILLUMINATED KEYBOARD WITH A LIGHT TRANSMISSION CHANNEL

 #75
20130265799
2013-10-10

Electronic device

 #76
20130087440
2013-04-11

Key structure and keyboard

 #77
20120318655
2012-12-20

Keypad assembly for electronic devices

 #78
20120286940
2012-11-15

CONTROL DEVICE HAVING A NIGHT LIGHT

 #79
20120281288
2012-11-08

CONTROL DEVICE

 #80
20120222946
2012-09-06

Key Module, Keyboard and Electric Device

 #81
20120200475
2012-08-09

Display device for displaying two graphics

 #82
20120194423
2012-08-02

Multi colours device illumination

 #83
20120193206
2012-08-02

Keypad apparatus for portable communication device

 #84
20120193200
2012-08-02

Switch module

 #85
20120186962
2012-07-26

Group of momentary-contact switches as control panel which can be illuminated in motor vehicles

 #86
20120182760
2012-07-19

Switch module

 #87
20120163894
2012-06-28

KEYS AND KEYBOARD COMPRISING THE SAME

 #88
20120154289
2012-06-21

Enhancing keycap legend visibility with optical components

 #89
20120085632
2012-04-12

Keypad apparatus for portable communication device

 #90
20120075617
2012-03-29

LASER NAVIGATION MODULE

 #91
20120061227
2012-03-15

STRUCTURE OF PRESS SWITCH

 #92
20120055770
2012-03-08

Backlighting assembly for a keypad

 #93
20120039020
2012-02-16

Back-illuminated switch panel

 #94
20110315534
2011-12-29

LIGHT GUIDE SHEET, MOVABLE CONTACT BODY USING SAME, AND SWITCH

 #95
20110298716
2011-12-08

In-plane keyboard illumination

 #96
20110297523
2011-12-08

Back lighted membrane keyboard with components being secured together by subjecting to ultrasonic welding

 #97
20110290628
2011-12-01

MEMBRANE KEYBOARD WITH PARTS BEING FIXEDLY SECURED TOGETHER

 #98
20110280024
2011-11-17

LIGHT GUIDE SHEET AND MOVABLE CONTACT UNIT INCLUDING THE SAME

 #99
20110279366
2011-11-17

Method and apparatus for ranging finding, orienting, and/or positioning of single and/or multiple devices

 #100
20110278145
2011-11-17

Key sheet, lightproof light guiding sheet, pushbutton switch, and method of manufacturing key sheet

 #101
20110266123
2011-11-03

CONTROL ELEMENT CAP AND METHOD FOR PRODUCING SAID CONTROL ELEMENT CAP

 #102
20110253520
2011-10-20

LIGHT DIFFUSER ACTUATOR FILM (LDAF) KEYPAD MODULE

 #103
20110249447
2011-10-13

Light-guiding structure of translucent press key

 #104
20110233040
2011-09-29

KEYPAD HAVING THREE-DIMENSIONAL PATTERNS

 #105
20110228552
2011-09-22

Faceplate guidelight system

 #106
20110220477
2011-09-15

Keypad structure

 #107
20110209974
2011-09-01

Push-button switch

 #108
20110193784
2011-08-11

Illuminatable keyboard

 #109
20110180379
2011-07-28

SWITCH MODULE WITH LIGHTED KEY

 #110
20110168537
2011-07-14

Key switch structure

 #111
20110157899
2011-06-30

Light guide ring unit and backlight module using the same

 #112
20110149605
2011-06-23

LIGHT GUIDE SHEET AND KEY SHEET USING THE SAME

 #113
20110147182
2011-06-23

Thin type illuminated keyboard

 #114
20110107868
2011-05-12

KEY MODULE WITH MULTI-COLOR MARKS

 #115
20110096541
2011-04-28

BACKLIT TOUCH BUTTON ASSEMBLY

 #116
20110089005
2011-04-21

Lighting keyboard

 #117
20110079497
2011-04-07

Keypad illumination apparatus

 #118
20110063123
2011-03-17

Vehicle console display buttons and vehicle consoles incorporating the same

 #119
20110013378
2011-01-20

BACKLIT APPARATUSES AND METHODS THEREFOR

 #120
20100320069
2010-12-23

Key-press structure and a method for making the same

 #121
20100314229
2010-12-16

Illuminated push button switch

 #122
20100282581
2010-11-11

Self-illumination circuit board for computer keyboard

 #123
20100271839
2010-10-28

Light guide display with multiple light guide layers

 #124
20100265106
2010-10-21

Light-Emitting Device and Electronic Device Using The Same

 #125
20100258420
2010-10-14

Illuminated keyboard

 #126
20100258419
2010-10-14

Light guide film with cut lines, and optical keypad using such film

 #127
20100253230
2010-10-07

Vehicle entertainment and communication system personal control unit with racetrack lighting design

 #128
20100213043
2010-08-26

Key assembly for a handheld electronic device having a one-piece keycap

 #129
20100213041
2010-08-26

Backlit key assembly having a reduced thickness

 #130
20100187078
2010-07-29

LIGHT GUIDE PLATE AND APPLIED KEYPAD THEREOF

 #131
20100148996
2010-06-17

Light guide structure for a keyboard

 #132
20100147661
2010-06-17

Key sheet, light blocking effect sheet, push button switch and key sheet manufacturing method

 #133
20100147660
2010-06-17

Keyboard with backlighting functionality

 #134
20100140069
2010-06-10

Light guiding sheet and movable contact body using the same

 #135
20100128427
2010-05-27

Keyboard, lighting module for keyboard and electronic apparatus

 #136
20100118560
2010-05-13

CAPACITANCE-TYPE SENSOR

 #137
20100110722
2010-05-06

Lighting device and display device including the same

 #138
20100097246
2010-04-22

Input device and keyboard device having illumination function

 #139
20100090962
2010-04-15

Display device and front cover thereof

 #140
20100066568
2010-03-18

KEYBOARD STRUCTURE WITH A SELF-LUMINOUS CIRCUIT BOARD

 #141
20100065408
2010-03-18

INPUT APPARATUS

 #142
20100020567
2010-01-28

Light guide sheet and movable contact assembly including the same

 #143
20100013776
2010-01-21

Thin keypad assembly

 #144
20100006412
2010-01-14

KEYCAP AND PRESS KEY STRUCTURE USING THE SAME

 #145
20090323357
2009-12-31

Light guide sheet and movable contact element using the same

 #146
20090315846
2009-12-24

Mobile terminal

 #147
20090290358
2009-11-26

Electronic device

 #148
20090277763
2009-11-12

Backlighted key for a keypad of an electronic device

 #149
20090256726
2009-10-15

Illuminated keyboard with a light guide plate

 #150
20090242370
2009-10-01

LIGHT-GUIDING STRUCTURE, METHOD OF MANUFACTURING THE SAME AND LIGHT-EMITTING KEYBOARD USING THE SAME

 #151
20090194401
2009-08-06

LIGHT EMITTING KEYPAD

 #152
20090190990
2009-07-30

Method for manufacturing key-pad having three-dimensional patterns

 #153
20090189316
2009-07-30

METHOD FOR MANUFACTURING KEYPAD HAVING THREE-DIMENSIONAL PATTERNS

 #154
20090183976
2009-07-23

Keypad assembly having three-dimensional patterns

 #155
20090179872
2009-07-16

Movable contact body and switch using same

 #156
20090173608
2009-07-09

Light-guide sheet, movable contact unit and switch using the same

 #157
20090166169
2009-07-02

Key-press structure and a method for making the same

 #158
20090145733
2009-06-11

Movable contact unit with light-guiding function and lighted panel switch using the same

 #159
20090128372
2009-05-21

Metal keypad panel structure with micropore array

 #160
20090095612
2009-04-16

Movable contact assembly including light inlet having plural grooves, and switch using the same

 #161
20090091912
2009-04-09

Light-guiding key structure with lateral light-guiding function

 #162
20090073724
2009-03-19

INPUT DEVICE WITH ILLUMINATION FUNCTION

 #163
20090067153
2009-03-12

Backlighted keyboard and method using patterned light guide

 #164
20090051571
2009-02-26

KEYPAD

 #165
20090050456
2009-02-26

Light emitting keypad comprising light guide film and light guide

 #166
20090042621
2009-02-12

Multi colours device illumination

 #167
20090033937
2009-02-05

Sensor for measuring living body information and keypad assembly using the same

 #168
20090014305
2009-01-15

Sheet switch module

 #169
20090000930
2009-01-01

Electrical Switching and/or Actuating Element With a Visual Display

 #170
20080302642
2008-12-11

Movable contact element and switch using the same

 #171
20080296135
2008-12-04

Movable contact element and switch using the same

 #172
20080237011
2008-10-02

Keypad assembly

 #173
20080225508
2008-09-18

Light-emitting device and electronic device using the same

 #174
20080218991
2008-09-11

Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate

 #175
20080202907
2008-08-28

Backlighted key for a keypad of an electronic device

 #176
20080197002
2008-08-21

Flexible light guide for membrane switch

 #177
20080191904
2008-08-14

Method For Manufacturing Thin Keypad Assembly And Such Assembly

 #178
20080186736
2008-08-07

Lightguide arrangement and related applications

 #179
20080179173
2008-07-31

Keypad and keypad assembly

 #180
20080144321
2008-06-19

Image generating apparatus

 #181
20080129551
2008-06-05

Backlight keyboard

 #182
20080128254
2008-06-05

Keypad with light guide layer, keypad assembly and portable terminal

 #183
20080117639
2008-05-22

Method for manufacturing a light-guiding plate and key module having the light-guiding plate

 #184
20080100580
2008-05-01

Keypad assembly

 #185
20080088490
2008-04-17

Lighting and usability features for key structures and keypads on computing devices

 #186
20080087533
2008-04-17

Keypad assembly for electronic equipment and method thereof

 #187
20080053800
2008-03-06

Keypad light guide

 #188
20080037277
2008-02-14

Operation Device

 #189
20080019115
2008-01-24

Back light unit

 #190
20080017495
2008-01-24

Key sheet

 #191
20080000764
2008-01-03

Control element for a motor vehicle

 #192
20070257822
2007-11-08

Keypad assembly

 #193
20070247828
2007-10-25

Keypad PCB assembly for mobile phone with light guide plate

 #194
20070240973
2007-10-18

Key pad and keypad assembly

 #195
20070240972
2007-10-18

Key pad and keypad assembly

 #196
20070235306
2007-10-11

Key switch structure

 #197
20070217181
2007-09-20

LIGHT GUIDE FOR ILLUMINATING KEYPADS

 #198
20070209918
2007-09-13

Light guide for illuminating keypads

 #199
20070205088
2007-09-06

Keypad assembly for electronic device

 #200
20070175744
2007-08-02

Keypad and keypad assembly

 #201
20070152965
2007-07-05

Multi-functional control interface

 #202
20070148417
2007-06-28

Decorative molded body, key top for a pushbutton switch, and key sheet for the pushbutton switch

 #203
20070125634
2007-06-07

Keypad and method for fabricating same

 #204
20070070043
2007-03-29

Keypad backlighting device

 #205
20070068783
2007-03-29

Keypad with phosphor, keypad assembly and portable terminal

 #206
20070065215
2007-03-22

Display-equipped key,key assembly, device and method

 #207
20070035522
2007-02-15

Lighting and usability features for key structures and keypads on computing devices

 #208
20070034494
2007-02-15

Lighting and usability features for key structures and keypads on computing devices

 #209
20070013664
2007-01-18

Keypad, keypad assembly and portable terminal

 #210
20070013663
2007-01-18

Flexible backlight unit for key of input device

 #211
20070012553
2007-01-18

Keypad assembly for a portable terminal

 #212
20070007118
2007-01-11

Keypad assembly

 #213
20060289283
2006-12-28

Keypad assembly for portable terminal

 #214
20060261984
2006-11-23

Keypad assembly for a portable terminal

 #215
20060260923
2006-11-23

Keypad and keypad assembly

 #216
20060260922
2006-11-23

Key pad and keypad assembly

 #217
20060260921
2006-11-23

Keypad assembly having reflection pattern

 #218
20060254894
2006-11-16

Keypad with light guide layer, keypad assembly and portable terminal

 #219
20060227528
2006-10-12

Illuminating apparatus for operating section

 #220
20060169105
2006-08-03

Button structure with three-dimensional stripes

 #221
20060139313
2006-06-29

Pressed key structure with lighting module

 #222
20060072300
2006-04-06

Illumination device

 #223
20060065514
2006-03-30

Lighted switch device

 #224
20060054483
2006-03-16

Switching device

 #225
20050270760
2005-12-08

Keyboard having a light emitting effect

 #226
20050264889
2005-12-01

Display member and panel display unit

 #227
20050221058
2005-10-06

Key sheet member and its production method

 #228
20050150753
2005-07-14

Key structure and manufacturing method thereof