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Class Information
Number: 313/346R
Name: Electric lamp and discharge devices > Electrode and shield structures > Cathodes containing and/or coated with electron emissive material
Description:










Sub-classes under this class:

Class Number Class Name Patents
313/346DC Dispensator cathode 169


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8710727 Field emission cathode structure Apr. 29, 2014
8669696 Field emission electron source array and field emission device Mar. 11, 2014
8662951 Method for making field emission electron source array Mar. 4, 2014
8604680 Reflective nanostructure field emission display Dec. 10, 2013
8593047 Field emission unit and pixel tube for field emission display Nov. 26, 2013
8536773 Electron beam source and method of manufacturing the same Sep. 17, 2013
8446087 Field emission cathode structure and field emission display using the same May. 21, 2013
8436524 Electron source May. 7, 2013
8405294 Field emission electron source Mar. 26, 2013
8368295 Elelctron emitter and electron emission element Feb. 5, 2013
8362678 Lamp structure and liquid crystal display apparatus having the same Jan. 29, 2013
8344607 Electron-emitting device and display panel including the same Jan. 1, 2013
8314403 Gas field ion source with coated tip Nov. 20, 2012
8263942 System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission Sep. 11, 2012
8247958 System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission Aug. 21, 2012
8223923 X-ray source with metal wire cathode Jul. 17, 2012
8217565 Cold field emitter Jul. 10, 2012
8172633 Field emission display and manufacturing method of the same having selective array of electron emission source May. 8, 2012
8174174 Cathode structures for X-ray tubes May. 8, 2012
8159122 Light-emitting substrate and display apparatus using the same Apr. 17, 2012
8143776 Luminescent screen and image display apparatus Mar. 27, 2012
8138675 Stabilized emissive structures and methods of making Mar. 20, 2012
8138662 Electrode for a discharge lamp Mar. 20, 2012
8075359 Phosphorus-doped diamond film allowing significantly reduced electron emission voltage, method for producing the same, and electron source using the same Dec. 13, 2011
8035290 Fluorescent display device and conductive paste for the fluorescent display device Oct. 11, 2011
8035291 Field emission electrode, manufacturing method thereof, and electronic device Oct. 11, 2011
7985114 Method for making field emission lamp Jul. 26, 2011
7969091 Field-emission apparatus of light source comprising a low pressure gas layer Jun. 28, 2011
7936118 Light source apparatus comprising a stack of low pressure gas filled light emitting panels and backlight module May. 3, 2011
7927652 Method for manufacturing field emission electron source Apr. 19, 2011
7919912 Electron emission source, composition for forming electron emission source, method of forming the electron emission source and electron emission device including the electron emission source Apr. 5, 2011
7915797 Thermionic electron source Mar. 29, 2011
7902734 Electron emission element and electron emission element fabrication method Mar. 8, 2011
7893605 Back-gated field emission electron source Feb. 22, 2011
7863805 Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device Jan. 4, 2011
7816847 Dielectric electron emitter comprising a polycrystalline substance Oct. 19, 2010
7808353 Coil system for plasmoid thruster Oct. 5, 2010
7795792 Cathode structures for X-ray tubes Sep. 14, 2010
7791258 Activation effect on carbon nanotubes Sep. 7, 2010
7781954 Pixel element for field emission display Aug. 24, 2010
7777404 Field emission type electron gun comprising single fibrous carbon electron emitter and operating method for the same Aug. 17, 2010
7772755 Thermionic emission device Aug. 10, 2010
7755271 Field emission electrode, manufacturing method thereof, and electronic device Jul. 13, 2010
7750313 Ion source Jul. 6, 2010
7710009 System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission May. 4, 2010
7710013 Electron emitting device with projection comprising base portion and electron emission portion May. 4, 2010
7705527 Electron-emitting device, electron source, and image-forming apparatus Apr. 27, 2010
7671523 Material for electrodes of low temperature plasma generators Mar. 2, 2010
7652415 Electrode materials for electric lamps and methods of manufacture thereof Jan. 26, 2010
7638933 Electron emission device comprising carbon nanotubes yarn and method for generating emission current Dec. 29, 2009

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