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Class Information
Number: 313/336
Name: Electric lamp and discharge devices > Electrode and shield structures > Point source cathodes
Description: Cathodes where the cathode is designed so that the electron emission from the cathode is restricted to a point-like area.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595490 |
Charged particle beam emitting device and method for operating a charged particle beam emitting device |
Sep. 29, 2009 |
| 7586098 |
Ion stripper device made of carbon nanotubes or fullerenes |
Sep. 8, 2009 |
| 7579766 |
Electron emission device with improved electron emission structure for increasing emission efficiency and lowering driving voltage |
Aug. 25, 2009 |
| 7573200 |
Plasma display panel |
Aug. 11, 2009 |
| 7554255 |
Electric field emission device having a triode structure fabricated by using an anodic oxidation process and method for fabricating same |
Jun. 30, 2009 |
| 7545089 |
Sintered wire cathode |
Jun. 9, 2009 |
| 7544951 |
Electron gun assembly |
Jun. 9, 2009 |
| 7545179 |
Electronic device and method and performing logic functions |
Jun. 9, 2009 |
| 7531953 |
Field emission cathode with field emitters on curved carrier and field emission device using the same |
May. 12, 2009 |
| 7527988 |
Triode structure field emission display device using carbon nanotubes and method of fabricating the same |
May. 5, 2009 |
| 7508124 |
Field emission device, display adopting the same and method of manufacturing the same |
Mar. 24, 2009 |
| 7501750 |
Emitting device having electron emitting nanostructures and method of operation |
Mar. 10, 2009 |
| 7492086 |
Low work function emitters and method for production of FED's |
Feb. 17, 2009 |
| 7489069 |
Field emission light source and a related backlight device |
Feb. 10, 2009 |
| 7486011 |
Thread-type electron emission element |
Feb. 3, 2009 |
| 7468578 |
Group III-nitride layers with patterned surfaces |
Dec. 23, 2008 |
| 7466072 |
Carbon nanotube and electron emission device including the carbon nanotube |
Dec. 16, 2008 |
| 7459839 |
Low voltage electron source with self aligned gate apertures, and luminous display using the electron source |
Dec. 2, 2008 |
| RE40566 |
Flat panel display including electron emitting device |
Nov. 11, 2008 |
| 7446469 |
Flat lamp device with multi electron source array |
Nov. 4, 2008 |
| 7429820 |
Field emission display with electron trajectory field shaping |
Sep. 30, 2008 |
| 7411341 |
Gated nanorod field emitter structures and associated methods of fabrication |
Aug. 12, 2008 |
| 7388325 |
Flat display device |
Jun. 17, 2008 |
| 7385344 |
Electron emission device including dummy electrodes |
Jun. 10, 2008 |
| 7372197 |
Field emission device and field emission display including dual cathode electrodes |
May. 13, 2008 |
| 7365481 |
Field emission device with change in emission property |
Apr. 29, 2008 |
| 7355329 |
Field emission lamp |
Apr. 8, 2008 |
| 7348720 |
Electron emission device and electron emission display including the same |
Mar. 25, 2008 |
| 7345415 |
Array-like flat lighting source |
Mar. 18, 2008 |
| 7339324 |
Electron emission device and electron emission display using the same |
Mar. 4, 2008 |
| 7322869 |
Structure of a coplanar gate-cathode of a triode CNT-FED and method of manufacturing same |
Jan. 29, 2008 |
| 7323812 |
Process for producing diamond electron emission element and electron emission element |
Jan. 29, 2008 |
| 7319288 |
Carbon nanotube-based field emission device |
Jan. 15, 2008 |
| 7317278 |
Method of operating and process for fabricating an electron source |
Jan. 8, 2008 |
| 7307377 |
Electron emitting device with projection comprising base portion and electron emission portion |
Dec. 11, 2007 |
| 7304420 |
Field emission device |
Dec. 4, 2007 |
| 7304423 |
Emissive display device |
Dec. 4, 2007 |
| 7301266 |
Field emission lighting device |
Nov. 27, 2007 |
| 7294955 |
Electrode for electron gun and electron gun using same |
Nov. 13, 2007 |
| 7276844 |
Process for improving the emission of electron field emitters |
Oct. 2, 2007 |
| 7276842 |
Electron-emitting device, electron source and image-forming apparatus, and method for manufacturing electron emitting device |
Oct. 2, 2007 |
| 7268004 |
Thermoelectric control for field emission display |
Sep. 11, 2007 |
| 7268361 |
Electron emission device |
Sep. 11, 2007 |
| 7259510 |
On-chip vacuum tube device and process for making device |
Aug. 21, 2007 |
| 7247980 |
Emitter composition using diamond, method of manufacturing the same and field emission cell using the same |
Jul. 24, 2007 |
| 7239075 |
Nitrogen and phosphorus doped amorphous silicon as resistor for field emission display device baseplate |
Jul. 3, 2007 |
| 7233102 |
Field emission device with gate having cylindrical part |
Jun. 19, 2007 |
| 7230373 |
Field emission type backlight device |
Jun. 12, 2007 |
| 7230589 |
Image-forming device |
Jun. 12, 2007 |
| 7220159 |
Method and structure of converging electron-emission source of field-emission display |
May. 22, 2007 |
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