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Class Information
Number: 313/307
Name: Electric lamp and discharge devices > Discharge devices having three or more electrodes > Four or more electrodes
Description: Discharge devices which have four or more electrodes.










Patents under this class:

Patent Number Title Of Patent Date Issued
8371892 Method for making electron emission apparatus Feb. 12, 2013
8348436 Light source device, image display device, and light amount correction method Jan. 8, 2013
8253314 Ion source having secondary electron enhancing electrode Aug. 28, 2012
8253315 Crossover point regulation method for electro-static focusing systems Aug. 28, 2012
8084929 Multiple device shaping uniform distribution of current density in electro-static focusing systems Dec. 27, 2011
8084930 Multiple device shaping uniform distribution of current density in electro-static focusing systems Dec. 27, 2011
7777402 Plasma display panel improving discharge characteristics in the internal peripheral area thereof Aug. 17, 2010
7598500 Ion source and metals used in making components thereof and method of making same Oct. 6, 2009
6815905 Direct-view-type display apparatus Nov. 9, 2004
6791278 Field emission display using line cathode structure Sep. 14, 2004
6741016 Focusing lens for electron emitter with shield layer May. 25, 2004
6603270 Direct-view-type display apparatus Aug. 5, 2003
6501216 Focusing electrode for field emission displays and method Dec. 31, 2002
6495949 Electron tube cathode Dec. 17, 2002
6476548 Focusing electrode for field emission displays and method Nov. 5, 2002
6441543 Flat CRT display that includes a focus electrode as well as multiple anode and deflector electrodes Aug. 27, 2002
6300713 Focusing electrode for field emission displays and method Oct. 9, 2001
6262530 Field emission devices with current stabilizer(s) Jul. 17, 2001
6255768 Compact field emission electron gun and focus lens Jul. 3, 2001
6255771 Flashover control structure for field emitter displays and method of making thereof Jul. 3, 2001
6249083 Electric field emission display (FED) and method of manufacturing spacer thereof Jun. 19, 2001
6225739 Focusing electrode for field emission displays and method May. 1, 2001
6204600 Field emission device having floating electrode and conductive particle layer Mar. 20, 2001
6057636 Micro power switch using a cold cathode and a driving method thereof May. 2, 2000
6008063 Method of fabricating row lines of a field emission array and forming pixel openings therethrough Dec. 28, 1999
5977696 Field emission electron gun capable of minimizing nonuniform influence of surrounding electric potential condition on electrons emitted from emitters Nov. 2, 1999
5910704 Field emission display with a plurality of gate insulating layers having holes Jun. 8, 1999
5850120 Electron gun with a gamma correct field emission cathode Dec. 15, 1998
5786657 Field emission electron gun capable of minimizing nonuniform influence of surrounding electric potential condition on electrons emitted from emitters Jul. 28, 1998
5679960 Compact display device Oct. 21, 1997
5650690 Backplate of field emission device with self aligned focus structure and spacer wall locators Jul. 22, 1997
5572041 Field emission cathode device made of semiconductor substrate Nov. 5, 1996
5508584 Flat panel display with focus mesh Apr. 16, 1996
5483117 Device for non-thermal excitation and ionization of vapors and gases Jan. 9, 1996
5404025 Semiconductor vacuum device with planar structure Apr. 4, 1995
5359256 Regulatable field emitter device and method of production thereof Oct. 25, 1994
5214347 Layered thin-edged field-emitter device May. 25, 1993
5148078 Field emission device employing a concentric post Sep. 15, 1992
5146137 Device for the generation of a plasma Sep. 8, 1992
4988925 Omnidirectional metal halide arc discharge lamp Jan. 29, 1991
4968918 Apparatus for plasma treatment Nov. 6, 1990
4956574 Switched anode field emission device Sep. 11, 1990
4806975 Erase lamp with plural electrodes Feb. 21, 1989
4792732 Radio frequency plasma generator Dec. 20, 1988
4754194 Flourescent light bulb Jun. 28, 1988
4712039 Vacuum integrated circuit Dec. 8, 1987
4604554 Triggered spark gap discharger Aug. 5, 1986
4527090 Thyratron capable of reverse conduction Jul. 2, 1985
4289967 Multianode cylindrical proportional counter for high count rates Sep. 15, 1981
4047066 Flat display panel comprising an envelope including a substrate having terminal-receiving grooves Sep. 6, 1977











 
 
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