ClassID:

204978

H01J29/04 - CPC Classification

Classification description:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Electrodes; Screens; Mounting, supporting, spacing or insulating thereof Cathodes

Recent Application in this class:
#1
20250367334
2025-12-04

STERILIZATION OF AN OBJECT USING LOW ENERGY ELECTRON BEAM

#2
20250246392
2025-07-31

DESIGN OF LATTICE MATCHED PHOTOCATHODES FOR EXTENDED WAVELENGTHS

#3
20250062644
2025-02-20

TIMESCALE POWER BEAMING TRANSCEIVER ENERGY STORAGE DEVICES

#4
20240363303
2024-10-31

CATHODE ASSEMBLY FOR ELECTRON GUN

#5
20240170247
2024-05-23

Lattice matched photocathodes for extended wavelengths

#6
20240105413
2024-03-28

Image intensifier device with power supply disposed upstream of the photocathode

#7
20230154717
2023-05-18

Precision alignment system for millimeter wave sources

#8
20230122253
2023-04-20

EXTREME-ULTRAVIOLET LIGHT SOURCE DEVICE USING ELECTRON BEAMS

#9
20220037106
2022-02-03

Wafer scale enhanced gain electron bombarded CMOS imager

#10
20210305002
2021-09-30

Field emission device

#11
20210257177
2021-08-19

Atomic ovens based on electric discharge

#12
20210175044
2021-06-10

Heaterless hollow cathode

#13
20210125805
2021-04-29

Electron gun and manufacturing method therefor

#14
20210050174
2021-02-18

Cathode assembly for electron gun

#15
20200203112
2020-06-25

Programmable performance configurations for night vision device

#16
20200194211
2020-06-18

Digital shutter control for bright flash recover in night vision equipment

#17
20190272969
2019-09-05

Triode electron gun

#18
20190272968
2019-09-05

Methods and devices for producing an electron beam

#19
20190157033
2019-05-23

Electron emission element, electrification apparatus, and image forming apparatus

#20
20190080875
2019-03-14

Thermally assisted negative electron affinity photocathode

#21
20190080871
2019-03-14

Apparatus for aging field emission device and aging method thereof

#22
20180327126
2018-11-15

ELECTRON BEAM GENERATOR AND ELECTRON BEAM STERLIZING DEVICE

#23
20180269024
2018-09-20

Low work function electron beam filament assembly

#24
20180233316
2018-08-16

ELECTRON BEAM PROJECTOR WITH LINEAR THERMAL CATHODE

#25
20180012721
2018-01-11

Electron emitting device using graphite adhesive material and manufacturing method for the same

#26
20170263411
2017-09-14

Electron beam emission device

#27
20170183115
2017-06-29

Electron beam generator and electron beam sterilizing device

#28
20160181052
2016-06-23

Device for producing an electron beam

#29
20160148773
2016-05-26

Ferroelectric emitter for electron beam emission and radiation generation

#30
20160056007
2016-02-25

Triode hollow cathode electron gun for linear particle accelerators

#31
20150206697
2015-07-23

Electron emission device and electron emission display

#32
20150206696
2015-07-23

Electron emission device and electron emission display

#33
20150206695
2015-07-23

Electron emission source and method for making the same

#34
20150206694
2015-07-23

Electron emission device and electron emission display

#35
20150206693
2015-07-23

Electron emission source

#36
20150206692
2015-07-23

Electron emission device and electron emission display

#37
20150187534
2015-07-02

Electron emission surface for X-ray generation

#38
20150144800
2015-05-28

Device for producing an electron beam

#39
20150117617
2015-04-30

X-ray tube

#40
20140361225
2014-12-11

Method for making carbon nanotube slurry

#41
20140117837
2014-05-01

Vacuum encapsulated hermetically sealed diamond amplified cathode capsule and method for making same

#42
20140111081
2014-04-24

Field emitter electrode and method of manufacturing the same

#43
20140034844
2014-02-06

Non-radioactive ion source using high energy electrons

#44
20130319514
2013-12-05

Photon induced enhanced field electron emission collector

#45
20130236834
2013-09-12

Carbon nanotube slurry, method for making the same, and method for making cathod emitter using the same

#46
20130221836
2013-08-29

Field emission electron source and field emission device using the same

#47
20130113360
2013-05-09

Composition for forming electron emission source, electron emission source including the composition, method of preparing the electron emission source, and field emission device including the electron emission source

#48
20120248967
2012-10-04

Double-sided light emitting field emission device and method of manufacturing the same

#49
20120235113
2012-09-20

Electron emission element and imaging device having the same

#50
20120220182
2012-08-30

Method for making electron emission apparatus

#51
20120194058
2012-08-02

Field emission electronic device

#52
20120169209
2012-07-05

Field emission device and field emission display

#53
20120161607
2012-06-28

Field emission cathode device and method for making the same

#54
20120161606
2012-06-28

Field emission cathode structure and field emission display using the same

#55
20120097958
2012-04-26

Active-matrix field emission pixel

#56
20120074874
2012-03-29

Electron emitting element, devices utilizing said element, and method for producing said element

#57
20120007490
2012-01-12

Ion source having secondary electron enhancing electrode

#58
20120003895
2012-01-05

Method of manufacturing field emission electrode having carbon nanotubes with conductive particles attached to external walls

#59
20110309737
2011-12-22

ELECTRON-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS USING THE SAME, AS WELL AS MANUFACTURING METHOD THEREFOR

#60
20110305314
2011-12-15

ELECTRON EMITTING DEVICE, IMAGE DISPLAY APPARATUS USING THE SAME, RADIATION GENERATION APPARATUS, AND RADIATION IMAGING SYSTEM

#61
20110304260
2011-12-15

Field emission cathode device and display using the same

#62
20110254434
2011-10-20

Image display apparatus

#63
20110241532
2011-10-06

Electron emitting element and method for producing the same

#64
20110220172
2011-09-15

Photo induced enhanced field electron emission collector

#65
20110181171
2011-07-28

Electron emission apparatus and method for making the same

#66
20110148946
2011-06-23

IMAGE DISPLAY APPARATUS

#67
20110148281
2011-06-23

Electron-emitting device, electron source, and image display apparatus

#68
20110147698
2011-06-23

FIELD EMISSION DEVICE AND METHOD OF FORMING THE SAME

#69
20110140602
2011-06-16

Field emission cathode capable of amplifying electron beam and methods of controlling electron beam density

#70
20110101845
2011-05-05

Field emission cathode device and display using the same

#71
20110084597
2011-04-14

Electron beam apparatus and image display apparatus using the same

#72
20110084596
2011-04-14

Electron emitting device, and electron beam device and image display apparatus including the same

#73
20110062856
2011-03-17

Color field emission display having carbon nanotubes

#74
20110057555
2011-03-10

Matrix-type cold-cathode electron source device

#75
20110050080
2011-03-03

Electron emission element including diamond doped with phosphorus

#76
20110006666
2011-01-13

ELECTRON-EMITTING DEVICE, ELECTRON BEAM APPARATUS USING THE ELECTRON-EMITTING DEVICE, AND IMAGE DISPLAY APPARATUS

#77
20100320898
2010-12-23

IMAGE DISPLAY APPARATUS

#78
20100316792
2010-12-16

METHOD OF FABRICATING ELECTRON EMISSION SOURCE AND METHOD OF FABRICATING ELECTRONIC DEVICE BY USING THE METHOD

#79
20100301735
2010-12-02

LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE SAME

#80
20100283379
2010-11-11

Electron beam apparatus and image display apparatus

#81
20100283370
2010-11-11

LIGHT-EMITTING SUBSTRATE INCLUDING LIGHT-EMITTING MEMBERS AND IMAGE DISPLAY APPARATUS INCLUDING THE LIGHT-EMITTING SUBSTRATE

#82
20100264808
2010-10-21

ELECTRON BEAM DEVICE

#83
20100259171
2010-10-14

Image display apparatus

#84
20100259155
2010-10-14

ELECTRON BEAM APPARATUS AND IMAGE DISPLAYING APPARATUS

#85
20100244661
2010-09-30

Lateral field emission device

#86
20100237763
2010-09-23

Cold Cathode Electron Emission Source and Method for Manufacture of the Same

#87
20100216366
2010-08-26

Fabricating method of electron-emitting device

#88
20100181894
2010-07-22

Field electron emitter including nucleic acid-coated carbon nanotube and method of manufacturing the same

#89
20100164343
2010-07-01

Electron emission device, electron emission display apparatus having the same, and method of manufacturing the same

#90
20100159790
2010-06-24

METHOD OF MANUFACTURING ELECTRON-EMITTING DEVICE AND METHOD OF MANUFACTURING IMAGE DISPLAY APPARATUS USING THE SAME

#91
20100156272
2010-06-24

Field emission device, field emission display device and methods for manufacturing the same

#92
20100141111
2010-06-10

COMPOSITION FOR INTEGRATED CATHODE-ELECTRON EMISSION SOURCE, METHOD OF FABRICATING INTEGRATED CATHODE-ELECTRON EMISSION SOURCE, AND ELECTRON EMISSION DEVICE USING THE SAME

#93
20100096969
2010-04-22

FIELD EMISSION DEVICE AND BACKLIGHT UNIT INCLUDING THE SAME

#94
20100079051
2010-04-01

Composition for forming electron emission source, electron emission source including the composition, method of preparing the electron emission source, and field emission device including the electron emission source

#95
20100060137
2010-03-11

Electron beam apparatus

#96
20100056009
2010-03-04

METHOD FOR FABRICATING FIELD EMISSION DISPLAY

#97
20100052511
2010-03-04

FIELD EMISSION DEVICE

#98
20100045166
2010-02-25

ELECTRON EMITTING DEVICE AND LIGHT EMITTING DEVICE THEREWITH

#99
20100045158
2010-02-25

Field emission cathode capable of amplifying electron beam and methods of controlling electron beam density

#100
20100019652
2010-01-28

ELECTRON EMISSION DEVICE AND LIGHT EMISSION DEVICE INCLUDING THE SAME

#101
20090322712
2009-12-31

Electron source, image display apparatus, and information display reproducing apparatus

#102
20090309481
2009-12-17

Field emission device and method for fabricating cathode emitter and zinc oxide anode

#103
20090309480
2009-12-17

Light emitter substrate and image displaying apparatus using the same

#104
20090309479
2009-12-17

ELECTRON EMITTING-DEVICE AND IMAGE DISPLAY APPARATUS

#105
20090309478
2009-12-17

Emitter having carbon nanotubes

#106
20090302734
2009-12-10

Airtight container and display device using the airtight container, and manufacturing method therefor

#107
20090284129
2009-11-19

Electron emitting device, display apparatus using electron emitting device, and method of manufacturing electron emitting device

#108
20090284122
2009-11-19

Co-processable photoimageable silver and corbon nanotube compositions and method for field emission devices

#109
20090284119
2009-11-19

Electron-emitting device and image display apparatus

#110
20090273270
2009-11-05

Electron source and image display apparatus

#111
20090256457
2009-10-15

Electron beam apparatus and image display apparatus using the same

#112
20090233240
2009-09-17

Method of fabricating triode-structure field-emission device

#113
20090225532
2009-09-10

Field effect electron emitting apparatus

#114
20090195140
2009-08-06

Electron emission apparatus and method for making the same

#115
20090195139
2009-08-06

Electron emission apparatus and method for making the same

#116
20090184658
2009-07-23

IMAGE DISPLAY APPARATUS

#117
20090167136
2009-07-02

Thermionic emission device

#118
20090160312
2009-06-25

Field emission display device

#119
20090153014
2009-06-18

ELECTRON-EMITTING DEVICE, ELECTRON SOURCE, AND IMAGE DISPLAY APPARATUS

#120
20090140627
2009-06-04

Electron-emitting device, electron source, image display apparatus, and manufacturing method of electron-emitting device

#121
20090134773
2009-05-28

Color pixel element for field emission display

#122
20090134772
2009-05-28

Color field emission display having carbon nanotubes

#123
20090134766
2009-05-28

ELECTRON EMISSION SOURCE, ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT AND ELECTRON EMISSION DISPLAY DEVICE

#124
20090115314
2009-05-07

Boron nitride nanotube paste composition, electron emission source including the same, electron emission device including the electron emission source, and backlight unit and electron emission display device including the electron emission device

#125
20090115309
2009-05-07

Pixel element for field emission display

#126
20090102376
2009-04-23

Image display apparatus with particular electron emission region location

#127
20090102351
2009-04-23

Image display apparatus

#128
20090095704
2009-04-16

PATTERNING CNT EMITTERS

#129
20090079320
2009-03-26

Field electron emission source having carbon nanotubes and method for manufacturing the same

#130
20090072697
2009-03-19

Electron-emitting device and image display apparatus using the same

#131
20090039761
2009-02-12

Image display apparatus

#132
20090021136
2009-01-22

Emitting device having electron emitting nanostructures and method of operation

#133
20090015132
2009-01-15

LEADING MEANS OF ELECTRODE LEADS OF FIELD EMISSION DISPLAY

#134
20090009054
2009-01-08

Image display device and method of manufacturing the same

#135
20090001870
2009-01-01

Image Display Apparatus

#136
20080291366
2008-11-27

Electron emitter apparatus, a fabrication process for the same and a device utilising the same

#137
20080287030
2008-11-20

Method of fabricating carbide and nitride nano electron emitters

#138
20080284314
2008-11-20

Active-matrix field emission pixel and active-matrix field emission display

#139
20080284307
2008-11-20

METHOD FOR DRIVING CATHADE OF FIELD EMISSION DISPLAY AND STRUCTURE OF THE SAME

#140
20080278062
2008-11-13

METHOD OF FABRICATING ELECTRON EMISSION SOURCE, ELECTRON EMISSION DEVICE, AND ELECTRON EMISSION DISPLAY DEVICE INCLUDING THE ELECTRON EMISSION DEVICE

#141
20080272310
2008-11-06

Cold electron emitter device for display

#142
20080246387
2008-10-09

Image display device and manufacturing method of the same

#143
20080238288
2008-10-02

Electron beam apparatus

#144
20080238287
2008-10-02

Electron beam apparatus having an electrode with high temperature portion

#145
20080227360
2008-09-18

Method for fabricating electron emitter

#146
20080214082
2008-09-04

Method for manufacturing field emission electron source

#147
20080211382
2008-09-04

Image display device

#148
20080203886
2008-08-28

Field emission devices using modified carbon nanotubes

#149
20080203884
2008-08-28

FIELD EMISSION CATHODE AND METHOD FOR FABRICATING SAME

#150
20080174232
2008-07-24

Image display apparatus

#151
20080174230
2008-07-24

Flat panel type display apparatus

#152
20080174229
2008-07-24

Composition for forming electron emission sources, method of manufacturing the same, and electron emission sources and electron emission device manufactured using the method

#153
20080164801
2008-07-10

Field emission electrode, method of manufacturing the same, and field emission device comprising the same

#154
20080157652
2008-07-03

Display pixel structure and display apparatus

#155
20080157648
2008-07-03

Field emission display device

#156
20080153380
2008-06-26

Method of manufacturing field emission device

#157
20080150415
2008-06-26

Image display device and process of manufacture

#158
20080129187
2008-06-05

Image display device

#159
20080122342
2008-05-29

LIGHT EMISSION DEVICE AND METHOD OF MANUFACTURING THE LIGHT EMISSION DEVICE

#160
20080122337
2008-05-29

Carbon-based material for electron emission source, electron emission source containing the carbon-based material, electron emission device including the electron emission source, and method of preparing electron emission source

#161
20080119104
2008-05-22

Method of aging field emission devices

#162
20080116794
2008-05-22

ELECTRON EMISSION DEVICE AND LIGHT EMISSION DEVICE HAVING THE ELECTRON EMISSION DEVICE

#163
20080116783
2008-05-22

ELECTRON EMISSION DEVICE AND ELECTRON EMISSION DISPLAY USING THE ELECTRON EMISSION DEVICE

#164
20080111953
2008-05-15

ELECTRON EMISSION DEVICE, LIGHT EMISSION DEVICE, AND DISPLAY DEVICE

#165
20080111464
2008-05-15

Field emission device and its method of manufacture

#166
20080088220
2008-04-17

ELECTRON EMISSION DEVICE

#167
20080079349
2008-04-03

Image formation apparatus having getters spacers and wires

#168
20080067915
2008-03-20

Electron emitter and a display apparatus utilizing the same

#169
20080067912
2008-03-20

Electron emitter and a display apparatus utilizing the same

#170
20080061675
2008-03-13

Fluorescent display device

#171
20080048564
2008-02-28

Display panel electrode having a protrusion

#172
20080030123
2008-02-07

Pixel tube for field emission device

#173
20080029145
2008-02-07

Diamond-like carbon thermoelectric conversion devices and methods for the use and manufacture thereof

#174
20080018228
2008-01-24

Electronic emission device, electron emission display device having the same, and method of manufacturing the electron emission device

#175
20080018226
2008-01-24

Electron emission source protected by protecting layer and electron emission device including the same

#176
20080018222
2008-01-24

Electron emission device and display device using the same

#177
20080007154
2008-01-10

Field emission device with cathode wires and carbon nanotubes

#178
20080007152
2008-01-10

Electron emitting element

#179
20080001520
2008-01-03

Field emission device having on chip anode discharge shunt elements

#180
20080001517
2008-01-03

Electron source, image display apparatus, image reproducing apparatus, wiring board, and electronic device

#181
20080001516
2008-01-03

Electron source, image display apparatus, image reproducing apparatus, wiring board, and manufacturing method of wiring board

#182
20070284989
2007-12-13

Composition for preparing electron emission source, electron emitter prepared using the composition, electron emission device including the electron emitter, and method of preparing the electron emitter

#183
20070267954
2007-11-22

Electron emission device and electron emission display having the electron emission device

#184
20070262697
2007-11-15

ELECTRON EMISSION DEVICE AND LIGHT EMISSION DEVICE INCLUDING THE ELECTRON EMISSION DEVICE

#185
20070252508
2007-11-01

Composition for forming electron emitter, electron emitter formed using the composition, electron emission device having the emitter, and backlight unit having the emitter

#186
20070236149
2007-10-11

IMAGE DISPLAY APPARATUS

#187
20070231486
2007-10-04

Carbon nanotube device and process for producing the same

#188
20070228929
2007-10-04

Display apparatus

#189
20070216283
2007-09-20

Image display apparatus

#190
20070216279
2007-09-20

Image display

#191
20070210697
2007-09-13

IMAGE DISPLAY DEVICE

#192
20070200485
2007-08-30

Image display device

#193
20070200484
2007-08-30

Display device

#194
20070188067
2007-08-16

Structure, electron emitting device, secondary battery, electron source, and image display device

#195
20070170414
2007-07-26

Field emission devices using carbon nanotubes modified by energy, plasma, chemical or mechanical treatment

#196
20070164648
2007-07-19

Field emission display device and cathode plate thereof

#197
20070159055
2007-07-12

Electron emission display including a cathode having resistance layer electrically connecting isolation electrodes having electron emission regions to a line electrode

#198
20070148464
2007-06-28

Display apparatus

#199
20070138940
2007-06-21

Surface electron emission device and display device having the same

#200
20070126312
2007-06-07

DLC field emission with nano-diamond impregnated metals

#201
20070114912
2007-05-24

Image display device

#202
20070114911
2007-05-24

Electron emission device, electron emission display device using the same, and method for manufacturing the same

#203
20070108886
2007-05-17

Image formation apparatus having fluorescent material and black material

#204
20070103052
2007-05-10

Field emission display device

#205
20070085467
2007-04-19

Electron emission device and electron emission display device using the same

#206
20070070000
2007-03-29

Image display device

#207
20070054585
2007-03-08

Process for fabricating electron emitting device, electron source, and image display device

#208
20070046175
2007-03-01

Electron emission element, electron emission display, and method of manufacturing electron emission unit for the electron emission display

#209
20070046173
2007-03-01

Electron source and image display apparatus

#210
20070035229
2007-02-15

Light emitting display device

#211
20070030216
2007-02-08

Edge emission electron source and TFT pixel selection

#212
20070029924
2007-02-08

Image display device

#213
20070029922
2007-02-08

Electron emission device having electrodes with line portions and subsidiary electrode

#214
20070029917
2007-02-08

Electron emission device and method for manufacturing the same

#215
20070001593
2007-01-04

Image display device

#216
20060292297
2006-12-28

Patterning CNT emitters

#217
20060290260
2006-12-28

Field emission display having carbon nanotube emitter and method of manufacturing the same

#218
20060267470
2006-11-30

Electron emission display device having a cooling device and the fabricating method thereof

#219
20060226761
2006-10-12

Method and device for preventing junction leakage in field emission devices

#220
20060220526
2006-10-05

Electron emission device, electron emission display device using the same, and method for manufacturing the same

#221
20060220514
2006-10-05

Process for producing diamond electron emission element and electron emission element

#222
20060219995
2006-10-05

Electron emission device and electron emission display device using the same

#223
20060216873
2006-09-28

Image display device and the manufacturing method therefor

#224
20060214561
2006-09-28

Electron emitting device, electron source, image display apparatus and image receiving display apparatus

#225
20060208628
2006-09-21

Electron emission device and method for manufacturing the same

#226
20060208620
2006-09-21

Image display device and production method for same

#227
20060202207
2006-09-14

Image display device

#228
20060197435
2006-09-07

Emissive flat panel display device

#229
20060197429
2006-09-07

Electron emission source, its method of fabrication, and an electron emission device using the electron emission source

#230
20060192492
2006-08-31

Display panel

#231
20060192476
2006-08-31

Field emission device for high resolution display

#232
20060186790
2006-08-24

Preventing junction leakage in field emission devices

#233
20060175950
2006-08-10

Field electron emission film, field electron emission electrode and field electron emission display

#234
20060158085
2006-07-20

Electron-emission flat panel display

#235
20060145586
2006-07-06

Indirectly heated cathode and cathode ray tube having same

#236
20060087220
2006-04-27

Image forming apparatus with reduced loss of electron source caused by the inert gas

#237
20060066204
2006-03-30

Triode structure for cathode ray tube electron gun

#238
20060044730
2006-03-02

Dielectric composition and dielectric film element

#239
20060038479
2006-02-23

Display device

#240
20060038475
2006-02-23

Low consumption cathode structure for cathode ray tubes

#241
20050285498
2005-12-29

Cathode ray tube

#242
20050275331
2005-12-15

Field emission devices using modified carbon nanotubes

#243
20050264166
2005-12-01

Image display apparatus

#244
20050236964
2005-10-27

Cathode panel for a cold cathode field emission display and cold cathode field emission display, and method of producing cathode panel for a cold cathode field emission display

#245
20050200266
2005-09-15

Electron-emitting device, electron source, image display device and information display and reproduction apparatus using image display device, and method of manufacturing the same

#246
20050200259
2005-09-15

Electron source substrate with high-impedance portion, and image-forming apparatus

#247
20050194887
2005-09-08

Field emission device and field emission display including dual cathode electrodes

#248
20050127821
2005-06-16

Field emission display in which a field emission device is applied to a flat display

#249
20050116610
2005-06-02

Electron emission device with auxiliary electrode and manufacturing method thereof

#250
20050110392
2005-05-26

Field emission display device

#251
20050093426
2005-05-05

Field emission display with double layered cathode and method of manufacturing the same

#252
20050082963
2005-04-21

Image formation apparatus having electrically conductive spacer and external frame

#253
20050067964
2005-03-31

Display panel electrode structure

#254
20050029924
2005-02-10

Emissive flat panel display having electron sources with high current density and low electric field strength

#255
20050029923
2005-02-10

Field emission display device having plurality of emitters with a common gate electrode

#256
20050029922
2005-02-10

Field emission element

#257
20050012444
2005-01-20

Electron tubes

#258
20050012443
2005-01-20

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Radial radio frequency (RF) electron guns

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Tunable quantum confinement and quantum dot photocathode

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Electron photoemission with tunable excitation and transport energetics

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Simplified formation process of a low work function insert

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2016-11-22

Electron beam gun with kinematic coupling for high power RF vacuum devices