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ClassID:

205021 ⎘

H01J29/467 - CPC Classification

Classification description:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement Control electrodes for flat display tubes, e.g. of the type covered by group

Recent Application in this class:
#1
20190189383
2019-06-20

Devices having an electron emitting structure

 #2
20180174836
2018-06-21

Laser polycrystallization apparatus

 #3
20160148774
2016-05-26

Field-emission device with improved beams-convergence

 #4
20150092923
2015-04-02

Devices having an electron emitting structure

 #5
20130082588
2013-04-04

Field emission device and field emission display having same

 #6
20130026906
2013-01-31

Triode-structured field emission display with anode and gate on the same substrate

 #7
20120235113
2012-09-20

Electron emission element and imaging device having the same

 #8
20120153802
2012-06-21

Field emission cathode device and field emission display using the same

 #9
20120091881
2012-04-19

ELECTRON EMITTING DEVICE

 #10
20120049721
2012-03-01

Metal gate electrode and field emission display having same

 #11
20110285272
2011-11-24

Field emission display device

 #12
20110148946
2011-06-23

IMAGE DISPLAY APPARATUS

 #13
20110148283
2011-06-23

Image display apparatus including electron-emitting device

 #14
20110147698
2011-06-23

FIELD EMISSION DEVICE AND METHOD OF FORMING THE SAME

 #15
20110062852
2011-03-17

Electron beam apparatus and image display apparatus using the same

 #16
20110057555
2011-03-10

Matrix-type cold-cathode electron source device

 #17
20110001421
2011-01-06

Matrix-type cold-cathode electron source device

 #18
20100301735
2010-12-02

LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE SAME

 #19
20100301364
2010-12-02

LIGHT EMISSION DEVICE

 #20
20100301354
2010-12-02

LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE SAME

 #21
20100252804
2010-10-07

Cathode assembly containing an ultraviolet light-blocking dielectric layer

 #22
20100060137
2010-03-11

Electron beam apparatus

 #23
20100019647
2010-01-28

Field emission cathode device and field emission display using the same

 #24
20100013365
2010-01-21

CATHODE STRUCTURE FOR FLAT-PANEL DISPLAY WITH REFOCUSING GATE

 #25
20100007263
2010-01-14

Field emission cathode and field emission display employing with same

 #26
20090295271
2009-12-03

Field Emission Display Having Multi-Layer Structure

 #27
20090256464
2009-10-15

Electron beam apparatus and image display apparatus using the same

 #28
20090256463
2009-10-15

Electron emitting device with a gate electrode having a carbon nanotube film and a carbon nanotube reinforcement structure

 #29
20090256462
2009-10-15

Electron emission device and display device using the same

 #30
20090195138
2009-08-06

Electron emission device and display device using the same

 #31
20090137179
2009-05-28

FIELD EMISSION DISPLAY AND METHOD OF MANUFACTURING THE SAME

 #32
20090108727
2009-04-30

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

 #33
20090072707
2009-03-19

Electron emission device, light emission apparatus including the same, and method of manufacturing the electron emission device

 #34
20090066246
2009-03-12

Display device having electron emission sources

 #35
20090045716
2009-02-19

ELECTRON EMISSION DEVICE

 #36
20080297025
2008-12-04

Plane emissive cathode structure of field emission display

 #37
20080164804
2008-07-10

MASK HAVING RAISED SUPPORTING BODIES

 #38
20080160867
2008-07-03

Field emission display and manufacturing method thereof

 #39
20080157648
2008-07-03

Field emission display device

 #40
20080157647
2008-07-03

Field emission display device

 #41
20080116794
2008-05-22

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

 #42
20080061675
2008-03-13

Fluorescent display device

 #43
20080018225
2008-01-24

Electron emission device and electron emission display using the same

 #44
20070252510
2007-11-01

Electron emission device having a sealing member in contact with electrodes

 #45
20070236132
2007-10-11

Electron emission device with a grid electrode for focusing electron beams

 #46
20070235772
2007-10-11

Field emitter array with split gates and method for operating the same

 #47
20070222393
2007-09-27

ELECTRON EMITTING DEVICE

 #48
20070216284
2007-09-20

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

 #49
20070200483
2007-08-30

Light emission device

 #50
20070194689
2007-08-23

Electron emission device and electron emission display using the same

 #51
20070188091
2007-08-16

Mesh structure and field-emission electron source apparatus using the same

 #52
20070188090
2007-08-16

Field-emission electron source apparatus

 #53
20070188075
2007-08-16

Field-emission electron source apparatus

 #54
20070164674
2007-07-19

Image display apparatus and video signal receiving and display apparatus

 #55
20070103052
2007-05-10

Field emission display device

 #56
20070096628
2007-05-03

Electron emission display

 #57
20070096626
2007-05-03

Electron emission display having electron beams with reduced distortion

 #58
20070096621
2007-05-03

Electron emission display

 #59
20070090750
2007-04-26

Electron emission device and electron emission display using the same

 #60
20070090746
2007-04-26

Electron emission device and electron emission display using the same

 #61
20070069631
2007-03-29

Field emission device having getter material

 #62
20070052337
2007-03-08

Display device

 #63
20070046174
2007-03-01

Electron emission display

 #64
20070035229
2007-02-15

Light emitting display device

 #65
20070029922
2007-02-08

Electron emission device having electrodes with line portions and subsidiary electrode

 #66
20070029919
2007-02-08

Electron emission device having a focus electrode and a fabrication method therefor

 #67
20070001575
2007-01-04

Electron emission device and electron emission display using the electron emission device

 #68
20060290288
2006-12-28

Field emission display and manufacturing method thereof

 #69
20060290259
2006-12-28

Field emission device and field emission display device using the same

 #70
20060290252
2006-12-28

Electron amplification plate for field emission display device

 #71
20060275966
2006-12-07

Method of manufacturing field emission device

 #72
20060267478
2006-11-30

Field emission device (FED)

 #73
20060267476
2006-11-30

Electron emission device

 #74
20060261725
2006-11-23

Electron emission device, electron emission display, and manufacturing method of the electron emission device

 #75
20060232191
2006-10-19

Gate-controlled electron-emitter array panel, active matrix display including the same, and method of manufacturing the panel

 #76
20060232190
2006-10-19

Electron emission device and method for manufacturing the same

 #77
20060220524
2006-10-05

Electron emission device

 #78
20060220523
2006-10-05

Electron emission device and electron emission display device

 #79
20060208628
2006-09-21

Electron emission device and method for manufacturing the same

 #80
20060197435
2006-09-07

Emissive flat panel display device

 #81
20060186821
2006-08-24

Electron emission device

 #82
20060163994
2006-07-27

Vacuum display device with increased resolution

 #83
20060158085
2006-07-20

Electron-emission flat panel display

 #84
20060145594
2006-07-06

Flat panel display, gate electrode structure, and gate electrode structure manufacturing method

 #85
20060132024
2006-06-22

Electron-emitting apparatus

 #86
20060113917
2006-06-01

Electron emission device having a grid electrode with a plurality of electron beam-guide holes

 #87
20060113893
2006-06-01

Image forming apparatus including an arragement of electron-trajectory correcting electrodes components

 #88
20060113889
2006-06-01

Electron emission device

 #89
20060063461
2006-03-23

Method of forming a tetraode field display including a composite mesh element

 #90
20060043875
2006-03-02

Electron emission device and method of manufacturing the same

 #91
20060038747
2006-02-23

Display device with electron beam guiding channels

 #92
20060033413
2006-02-16

Electron emission device with a grid electrode

 #93
20060028120
2006-02-09

Image display device and manufacturing method for spacer assembly used in image display device

 #94
20060028111
2006-02-09

Field emission device and field emission display using the same having a concave-shaped cathode to enhance electron focusing

 #95
20060001359
2006-01-05

Electron emission device and method for manufacturing the same

 #96
20050285504
2005-12-29

Apparatuses for providing uniform electron beams from field emission displays

 #97
20050280351
2005-12-22

Field emission display (FED) and method of manufacture thereof

 #98
20050280350
2005-12-22

Electron emission device

 #99
20050275338
2005-12-15

Field emission display and fabrication method

 #100
20050264171
2005-12-01

Electron emission device

 #101
20050242704
2005-11-03

Electron emission device

 #102
20050239364
2005-10-27

Method of fabricating tetra-polar field-emission display

 #103
20050231098
2005-10-20

Tetraode field-emission display and method of fabricating the same

 #104
20050231089
2005-10-20

Mesh structure of tetraode field-emission display and method of fabricating the same

 #105
20050231088
2005-10-20

Mesh structure of tetraode field-emission display and method of fabricating the same

 #106
20050218788
2005-10-06

Electron emission display

 #107
20050218785
2005-10-06

Electron emission display

 #108
20050184649
2005-08-25

Electron emission device with electron emission region on cathode electrode with gate electrode arranged to focus electrons emitted from the electron emission region

 #109
20050184648
2005-08-25

Grid electrode for electron emission device, and electron emission device including the same

 #110
20050184647
2005-08-25

Electron emission device

 #111
20050116600
2005-06-02

Field emission display having grid plate with multi-layered structure

 #112
20050110393
2005-05-26

Design for a field emission display with cathode and focus electrodes on a same level

 #113
20050104494
2005-05-19

Flat panel display and method of manufacturing the same

 #114
20050082964
2005-04-21

Cold cathode electric field electron emission display device

 #115
20050052117
2005-03-10

Field emission display device

 #116
20050029544
2005-02-10

Emitter and method of making

 #117
20050029543
2005-02-10

Emitter and method of making

 #118
13105249
2014-07-01

Carbon nanotube fiber cathode