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Class Information
Number: 313/306
Name: Electric lamp and discharge devices > Discharge devices having three or more electrodes
Description: Discharge devices which have three or more electrodes.

Sub-classes under this class:

Class Number Class Name Patents
313/308 Discharge control electrode 152
313/307 Four or more electrodes 50

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8629609 High frequency triode-type field emission device and process for manufacturing the same Jan. 14, 2014
8330343 Plasma display device Dec. 11, 2012
8253314 Ion source having secondary electron enhancing electrode Aug. 28, 2012
8242675 Display device Aug. 14, 2012
8200151 Method and apparatus for enhancing signal carrier performance in wireless networks Jun. 12, 2012
8183069 Method of manufacturing organic light emitting display device May. 22, 2012
8169134 Field emission device May. 1, 2012
8106367 Method and ionizer for bipolar ion generation Jan. 31, 2012
8040038 High frequency, cold cathode, triode-type, field-emitter vacuum tube and process for manufacturing the same Oct. 18, 2011
8035294 Electron beam apparatus and image display apparatus therewith Oct. 11, 2011
7990068 Field emission light emitting device Aug. 2, 2011
7982381 Electron source and image display apparatus Jul. 19, 2011
7936118 Light source apparatus comprising a stack of low pressure gas filled light emitting panels and backlight module May. 3, 2011
7915798 Thermionic emission device Mar. 29, 2011
7790062 Composition for electron emission source, electron emission source formed from the composition and electron emission device including the electron emission source Sep. 7, 2010
7777402 Plasma display panel improving discharge characteristics in the internal peripheral area thereof Aug. 17, 2010
7772755 Thermionic emission device Aug. 10, 2010
7759662 Field electron emission element, a method of manufacturing the same and a field electron emission method using such an element as well as an emission/display device employing such a field elec Jul. 20, 2010
7714495 Electron emission display having an optically transmissive anode electrode May. 11, 2010
7652418 Electronic emission device, electron emission display device having the same, and method of manufacturing the electron emission device Jan. 26, 2010
7635944 Electron-emitting device and method for manufacturing same Dec. 22, 2009
7612493 Electron emission device with improved focusing of electron beams Nov. 3, 2009
7598500 Ion source and metals used in making components thereof and method of making same Oct. 6, 2009
7595584 Electron emission device and electron emission display using the same Sep. 29, 2009
7573202 Metal/dielectric multilayer microdischarge devices and arrays Aug. 11, 2009
7531950 Field emission device and its method of fabrication May. 12, 2009
7521851 Electron emitting composite based on regulated nano-structures and a cold electron source using the composite Apr. 21, 2009
7498732 Electron emission device with a grid electrode and electron emission display having the same Mar. 3, 2009
7462979 Cold cathode field emission display Dec. 9, 2008
7436111 Electron emission device Oct. 14, 2008
7432645 Electron emission device and electron emission display using the same Oct. 7, 2008
7417379 Cold cathode type flat panel display Aug. 26, 2008
7397174 Image displaying apparatus Jul. 8, 2008
7385355 Display device having a thin film electron source array Jun. 10, 2008
7354328 Organic electroluminescent device and fabricating method thereof Apr. 8, 2008
7329978 Cold cathode field emission display Feb. 12, 2008
7326328 Gated nanorod field emitter structures and associated methods of fabrication Feb. 5, 2008
7317285 Electron emission device having cleaning function Jan. 8, 2008
7315123 Plasma display panel (PDP) Jan. 1, 2008
7303696 Light-emitting material and light-emitting element Dec. 4, 2007
7301270 Field emission display device having plurality of emitters with a common gate electrode Nov. 27, 2007
7285917 Connection member and driving device of plasma display panel Oct. 23, 2007
7279085 Gated nanorod field emitter structures and associated methods of fabrication Oct. 9, 2007
7256534 Flat panel display with black matrix Aug. 14, 2007
7245797 Electro-optical device, manufacturing method of the same, and electronic apparatus Jul. 17, 2007
7239079 Field emission display and manufacturing method thereof Jul. 3, 2007
7218058 Cold cathode type flat panel display May. 15, 2007
7176615 Field emission device having emission-inducing and suppressing gates Feb. 13, 2007
7135823 Image forming apparatus and method for driving and controlling the same Nov. 14, 2006
7098593 Stationary ion cold cathode fluorescent lighting system Aug. 29, 2006

1 2 3 4 5

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