ClassID:

204471

H01J1/312 - CPC Classification

Classification description:

Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps; Main electrodes; Cold cathodes, e.g. field-emissive cathode having an electric field perpendicular to the surface, e.g. tunnel-effect cathodes of Metal-Insulator-Metal [MIM] type

Recent Application in this class:
#1
20230369001
2023-11-16

Ionization detector and detection method

#2
20230134647
2023-05-04

Electron emitting element and method for manufacturing same

#3
20220216026
2022-07-07

Electron emission device and electron microscope

#4
20220020554
2022-01-20

Electron emitting element

#5
20200075285
2020-03-05

Electron emission element and method for same

#6
20190198279
2019-06-27

Surface-tunneling micro electron source and array and realization method thereof

#7
20190157033
2019-05-23

Electron emission element, electrification apparatus, and image forming apparatus

#8
20180012723
2018-01-11

Vacuum electron tube with planar cathode based on nanotubes or nanowires

#9
20150206696
2015-07-23

Electron emission device and electron emission display

#10
20150206692
2015-07-23

Electron emission device and electron emission display

#11
20150206691
2015-07-23

Electron emission device and electron emission display

#12
20150206689
2015-07-23

Electron emission source

#13
20140312763
2014-10-23

Electron emitting device with electron acceleration layer containing conductive microparticles

#14
20130249386
2013-09-26

Electron emission element, electron emission device, charge device, image forming device, electron radiation curing device, light-emitting device, image display device, blower device, cooling device, and manufacturing method for electron emission element

#15
20130032801
2013-02-07

Electronic device and method for manufacturing same

#16
20130032778
2013-02-07

Electron emitting source and substrate for thin film growth

#17
20120126716
2012-05-24

Electron emitting device and driving method thereof

#18
20120074874
2012-03-29

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

#19
20110254431
2011-10-20

Electron emitting element and method for producing the same

#20
20110241532
2011-10-06

Electron emitting element and method for producing the same

#21
20110236072
2011-09-29

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

#22
20110043128
2011-02-24

CIRCUIT DEVICE DRIVING METHOD AND CIRCUIT DEVICE

#23
20100327730
2010-12-30

Electron emitting element having an electron acceleration layer using fine particle layer

#24
20100296845
2010-11-25

Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, and electron-beam curing device

#25
20100296844
2010-11-25

Electron emitting element, electron emitting device, charging device, image forming apparatus, electron-beam curing device, light emitting device, image display device, air blowing device, and cooling device

#26
20100296843
2010-11-25

Electron emitting element including a fine particle layer containing insulating particles, and devices and methods related thereto

#27
20100296842
2010-11-25

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE, AIR BLOWING DEVICE, COOLING DEVICE, CHARGING DEVICE, IMAGE FORMING APPARATUS, ELECTRON-BEAM CURING DEVICE, AND METHOD FOR PRODUCING ELECTRON EMITTING ELEMENT

#28
20100278561
2010-11-04

Electron emitting element for accelerating and emitting electrons, and use of electron emitting element

#29
20100215402
2010-08-26

Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element

#30
20100196050
2010-08-05

Electron emitting element having an electron acceleration layer, electron emitting device, light emitting device, image display device, cooling device, and charging device

#31
20100072875
2010-03-25

Surface emission type electron source and drawing device

#32
20100007584
2010-01-14

ELECTRON SOURCE AND IMAGE DISPLAY APPARATUS

#33
20090296888
2009-12-03

Device for generating X-rays and use of such a device

#34
20090284129
2009-11-19

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

#35
20090208774
2009-08-20

Dielectric device

#36
20090039761
2009-02-12

Image display apparatus

#37
20090009054
2009-01-08

Image display device and method of manufacturing the same

#38
20090001870
2009-01-01

Image Display Apparatus

#39
20080290781
2008-11-27

Emissive Display Apparatus

#40
20080246387
2008-10-09

Image display device and manufacturing method of the same

#41
20080211401
2008-09-04

Electron Emission Device And Manufacturing Method Of The Same

#42
20080211375
2008-09-04

FIELD EMITTER AND METHOD OF OPERATING THE SAME

#43
20080203947
2008-08-28

Electron emission device, and driving method thereof

#44
20080150415
2008-06-26

Image display device and process of manufacture

#45
20080048569
2008-02-28

DIELECTRIC ELEMENT AND ELECTRON EMITTER

#46
20080012463
2008-01-17

Method of manufacturing an electron emitting device by terminating a surface of a carbon film with hydrogen

#47
20070241655
2007-10-18

Electron Emitting Device and Manufacturing Method Thereof and Image Pick Up Device or Display Device Using Electron Emitting Device

#48
20070241320
2007-10-18

Thin film electron source

#49
20070222067
2007-09-27

DIELECTRIC DEVICE

#50
20070210697
2007-09-13

IMAGE DISPLAY DEVICE

#51
20070210696
2007-09-13

ELECTRON-EMITTING DEVICE AND METHOD OF MANUFACTURING THE ELECTRON-EMITTING DEVICE

#52
20070188418
2007-08-16

Electron-emitting apparatus and method for emitting electrons

#53
20070188069
2007-08-16

Electron emitter

#54
20070182312
2007-08-09

DIODE ELEMENT AND DISPLAY APPARATUS USING SAME AS ELECTRON SOURCE

#55
20070164773
2007-07-19

Surface electron emission device array and thin film transistor inspection system using the same

#56
20070138940
2007-06-21

Surface electron emission device and display device having the same

#57
20070117251
2007-05-24

Display device, flat lamp and method of fabricating the display device and flat lamp

#58
20070108887
2007-05-17

Electron-emitting element, fluorescent light-emitting element, and image displaying device

#59
20070080896
2007-04-12

Display device

#60
20070069622
2007-03-29

Electron emitter and method for manufacturing electron emitter

#61
20070029912
2007-02-08

Field emission device and its method of fabrication

#62
20060290291
2006-12-28

Method and apparatus for modifying object with electrons generated from cold cathode electron emitter

#63
20060290255
2006-12-28

Electron emitter formed of a dielectric material characterized by having high mechanical quality factor

#64
20060267480
2006-11-30

Display device having a thin film electron source array

#65
20060250067
2006-11-09

Dielectric device

#66
20060214557
2006-09-28

Light source

#67
20060214556
2006-09-28

Light source

#68
20060202607
2006-09-14

Thin film electron emitter, manufacturing method thereof, and image display device using the thin film electron emitter

#69
20060151777
2006-07-13

Multi-layer thin film in a ballistic electron emitter

#70
20060138664
2006-06-29

Electron source device and display

#71
20060132024
2006-06-22

Electron-emitting apparatus

#72
20060125730
2006-06-15

Cold cathode type flat panel display

#73
20060118827
2006-06-08

Electron-emitting apparatus

#74
20060113608
2006-06-01

Electron-emitting device and method for manufacturing same

#75
20060082318
2006-04-20

Electron-emitting apparatus

#76
20060066198
2006-03-30

Electron source apparatus

#77
20060061289
2006-03-23

Electron emission device, electron source, and image display having dipole layer

#78
20060044730
2006-03-02

Dielectric composition and dielectric film element

#79
20060043863
2006-03-02

Dielectric film element and composition

#80
20060038768
2006-02-23

Field emission display

#81
20060022604
2006-02-02

Light source

#82
20060012282
2006-01-19

Dielectric device

#83
20060012279
2006-01-19

Dielectric electron emitter comprising a polycrystalline substance

#84
20060012278
2006-01-19

Electron emitter comprised of dielectric material mixed with metal

#85
20050269929
2005-12-08

Electron emitter and method of fabricating electron emitter

#86
20050179026
2005-08-18

Transparent electron source emitter device and method

#87
20050159071
2005-07-21

Fabrication process for planer electron emitters

#88
20050156500
2005-07-21

Storage apparatus having a planar electron emitter

#89
20050145835
2005-07-07

Manufacturing method for emitter for electron-beam projection lithography

#90
20050127814
2005-06-16

Method for manufacturing electron-emitting material

#91
20050122033
2005-06-09

Dielectric light device

#92
20050116603
2005-06-02

Electron emitter

#93
20050110001
2005-05-26

Tunneling emitter with nanohole openings

#94
20050094429
2005-05-05

Field emission display

#95
20050073790
2005-04-07

Microdevice, microdevice array, amplifying circuit, memory device, analog switch, and current control unit

#96
20050073261
2005-04-07

Electron emitter and method of producing the same

#97
20050073235
2005-04-07

Electron emitter, electron emission device, display, and light source

#98
20050073234
2005-04-07

Electron emitter

#99
20050073233
2005-04-07

High emission low voltage electron emitter

#100
20050073232
2005-04-07

Electron emitter

#101
20050062400
2005-03-24

Electron emitter

#102
20050051764
2005-03-10

Anodizing process for improving electron emission in electronic devices

#103
20050029544
2005-02-10

Emitter and method of making

#104
20050029543
2005-02-10

Emitter and method of making

#105
20050017624
2005-01-27

Electron emitter with epitaxial layers

#106
17023670
2022-05-03

Metal coated spike array