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Class Information
Number: 313/310
Name: Electric lamp and discharge devices > Discharge devices having a thermionic or emissive cathode
Description: Discharge devices which have a thermionic or emissive cathode.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8710729 Field emission cathode device and field emission display using the same Apr. 29, 2014
8669535 Electron gun Mar. 11, 2014
8623696 Method of forming emission layer of organic light emitting display device, method of manufacturing organic light emitting display device including emission layer, and organic light emitting di Jan. 7, 2014
8604681 Cold cathodes and ion thrusters and methods of making and using same Dec. 10, 2013
8604680 Reflective nanostructure field emission display Dec. 10, 2013
8593047 Field emission unit and pixel tube for field emission display Nov. 26, 2013
8593048 Electron source having a tungsten single crystal electrode Nov. 26, 2013
8581481 Pre-aligned thermionic emission assembly Nov. 12, 2013
8581486 Field emission device and field emission display Nov. 12, 2013
8575832 Field emission display Nov. 5, 2013
8552381 Agile IR scene projector Oct. 8, 2013
8541941 Light emitting element Sep. 24, 2013
8536775 Field emission lamp with mesh cathode Sep. 17, 2013
8531097 Field emitter Sep. 10, 2013
8525399 Electron emission element including diamond doped with phosphorus Sep. 3, 2013
8519608 Electron source and electron beam apparatus Aug. 27, 2013
8512090 Method for making field emission cathode device Aug. 20, 2013
8476818 Electron emitting element including a fine particle layer containing insulating particles, and devices and methods related thereto Jul. 2, 2013
8456073 Field emission devices including nanotubes or other nanoscale articles Jun. 4, 2013
8456074 Flexible nanostructure electronic devices Jun. 4, 2013
8447474 Exterior airbag deployment techniques May. 21, 2013
8427037 LED luminaire capable of increasing the view angle Apr. 23, 2013
8421327 Emitter having carbon nanotubes Apr. 16, 2013
8410675 Thermionic electron emission device Apr. 2, 2013
8378561 Electron emitter and field emission device provided with electron emitter Feb. 19, 2013
8371892 Method for making electron emission apparatus Feb. 12, 2013
8368295 Elelctron emitter and electron emission element Feb. 5, 2013
8318049 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 Nov. 27, 2012
8314539 Field electron emitter including nucleic acid-coated carbon nanotube and method of manufacturing the same Nov. 20, 2012
8299700 Electron emitting element having an electron acceleration layer, electron emitting device, light emitting device, image display device, cooling device, and charging device Oct. 30, 2012
8294348 Field emission electrode, method of manufacturing the same, and field emission device comprising the same Oct. 23, 2012
8294354 Field emission light source device with improved light utilization efficiency Oct. 23, 2012
8278815 Field emission light emitting device including an emitter within a nanochannel in a dielectric matrix Oct. 2, 2012
8272914 Method of manufacturing field emission electrode having carbon nanotubes with conductive particles attached to external walls Sep. 25, 2012
8274205 System and method for limiting arc effects in field emitter arrays Sep. 25, 2012
8247971 Resistively heated small planar filament Aug. 21, 2012
8242676 Field emission device, field emission display device and methods for manufacturing the same Aug. 14, 2012
8237347 Field emission device having secondary electron enhancing electrode Aug. 7, 2012
8232712 Small electron gun Jul. 31, 2012
8232711 Surface emission type electron source and drawing device Jul. 31, 2012
8227970 Thermionic emission device Jul. 24, 2012
8217366 Carbon ion generating device and tumor treatment apparatus using the same Jul. 10, 2012
8198794 Device having aligned carbon nanotube Jun. 12, 2012
8188645 Hot cathode and ion source including the same May. 29, 2012
8183756 Thermionic electron emitter, method for preparing same and X-ray source including same May. 22, 2012
8172634 Manufacturing method of field emission cathode May. 8, 2012
8159118 Electron gun Apr. 17, 2012
8154185 Diamondoid monolayers as electron emitters Apr. 10, 2012
8143776 Luminescent screen and image display apparatus Mar. 27, 2012
8125132 Display apparatus Feb. 28, 2012

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