Patents-Review.com
ClassID:

204464 ⎘

H01J1/30 - 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

Sub-classes:
Recent Application in this class:
#1
20210305002
2021-09-30

Field emission device

 #2
20210175039
2021-06-10

Electron emission element and method for manufacturing same

 #3
20210100089
2021-04-01

Hollow cathode apparatus

 #4
20200343081
2020-10-29

Compact electrostatic ion pump

 #5
20190272968
2019-09-05

Methods and devices for producing an electron beam

 #6
20180226516
2018-08-09

Device layer thin-film transfer to thermally conductive substrate

 #7
20180052384
2018-02-22

Flash tube providing a flat peak synchronized output

 #8
20170084417
2017-03-23

Electron emitting device using graphene and method for manufacturing same

 #9
20160148773
2016-05-26

Ferroelectric emitter for electron beam emission and radiation generation

 #10
20140368210
2014-12-18

Cold cathode ionization vacuum gauge and inner wall protection member

 #11
20140203707
2014-07-24

Electron emission device

 #12
20130193340
2013-08-01

Electron beam focusing electrode and electron gun using the same

 #13
20130154469
2013-06-20

CATHODE BODY, FLUORESCENT TUBE, AND METHOD OF MANUFACTURING A CATHODE BODY

 #14
20130076225
2013-03-28

Method for forming front electrode of PDP

 #15
20110043128
2011-02-24

CIRCUIT DEVICE DRIVING METHOD AND CIRCUIT DEVICE

 #16
20100133980
2010-06-03

Field emission device

 #17
20100097301
2010-04-22

LIGHT EMITTING APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME

 #18
20100053126
2010-03-04

ELECTRON EMISSION DEVICE AND IMAGE DISPLAY PANEL USING THE SAME, AND IMAGE DISPLAY APPARATUS AND INFORMATION DISPLAY APPARATUS

 #19
20090296888
2009-12-03

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

 #20
20090289542
2009-11-26

Electron beam focusing electrode and electron gun using the same

 #21
20090185661
2009-07-23

Virtual matrix control scheme for multiple spot X-ray source

 #22
20090153013
2009-06-18

ELECTRON-EMITTING DEVICE, ELECTRON SOURCE, IMAGE DISPLAY APPARATUS, AND METHOD FOR MANUFACTURING ELECTRON-EMITTING DEVICE

 #23
20080315745
2008-12-25

Electronic device containing carbon nanotubes

 #24
20080272310
2008-11-06

Cold electron emitter device for display

 #25
20080251735
2008-10-16

High energy crystal generators and their applications

 #26
20080111953
2008-05-15

ELECTRON EMISSION DEVICE, LIGHT EMISSION DEVICE, AND DISPLAY DEVICE

 #27
20080061677
2008-03-13

ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT INCLUDING ELECTRON EMISSION DEVICE, AND METHOD OF FABRICATING ELECTRON EMISSION DEVICE

 #28
20080003415
2008-01-03

Surface pairs

 #29
20070205707
2007-09-06

Electronic device containing a carbon nanotube

 #30
20070197732
2007-08-23

Cold cathodes made of carbon materials

 #31
20070188418
2007-08-16

Electron-emitting apparatus and method for emitting electrons

 #32
20070188069
2007-08-16

Electron emitter

 #33
20070170832
2007-07-26

Electron emitter composition made of an electron emitting substance and an expansion material for expansion of the electron emitting substance

 #34
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

 #35
20070152563
2007-07-05

Electron emission device, backlight unit (BLU) including the electron emission device, flat display apparatus including the BLU, and method of driving the electron emission device

 #36
20070117488
2007-05-24

Electron-emitting woven fabric and display device using same

 #37
20070114927
2007-05-24

Cathode with integrated getter and low work function for cold cathode methods for manufacturing such a cathode

 #38
20070085467
2007-04-19

Electron emission device and electron emission display device using the same

 #39
20070069621
2007-03-29

METHOD FOR FABRICATING FIELD EMISSION LUMINESCENT DEVICE

 #40
20070057245
2007-03-15

Artificial band gap

 #41
20070046166
2007-03-01

Cold cathode electron source and electron tube using the same

 #42
20070029922
2007-02-08

Electron emission device having electrodes with line portions and subsidiary electrode

 #43
20070029918
2007-02-08

Nitrogen and phosphorus doped amorphous silicon as resistor for field emission display device baseplate

 #44
20060216873
2006-09-28

Image display device and the manufacturing method therefor

 #45
20060186787
2006-08-24

Cathode substrate for electron emission device and electron emission device with the same

 #46
20060157656
2006-07-20

Multi-radiation source-ferroelectric-based source of plurality of radiation types

 #47
20060132024
2006-06-22

Electron-emitting apparatus

 #48
20060126790
2006-06-15

Electromagnetic apparatus and methods employing coulomb force oscillators

 #49
20060118827
2006-06-08

Electron-emitting apparatus

 #50
20060033415
2006-02-16

Electronic device containing a carbon nanotube

 #51
20060006788
2006-01-12

Electron emission device and electron emission display using the same

 #52
20060002514
2006-01-05

Electron emitter assembly and method for generating electron beams

 #53
20050266765
2005-12-01

Method of forming nitrogen and phosphorus doped amorphous silicon as resistor for field emission display device baseplate

 #54
20050264156
2005-12-01

Electron emission device including conductive layers for preventing accumulation of static charge

 #55
20050263808
2005-12-01

Ferroelectric electron beam source and method for generating electron beams

 #56
20050206293
2005-09-22

Electron-emmiting material and manufacturing method therefor

 #57
20050062400
2005-03-24

Electron emitter

 #58
14046925
2015-03-31

Structure and method for single crystal silicon-based plasma light source and flat panel display panels and micro plasma sources