Patents
Patents for H01J 29 - Details of cathode-ray tubes or of electron-beam tubes of the types covered by group (25,146)
04/1998
04/08/1998CN1178387A Cathode ray tube
04/07/1998US5736914 Demagnetizing device for a cathode ray tube
04/07/1998US5736812 Electron guns for color picture tube
04/07/1998US5735722 High luminescence display
04/07/1998US5735720 Controllable thermionic electron emitter
04/02/1998WO1998013852A2 Display device based on indirectly heated thermionic cathodes
04/01/1998EP0833364A2 Cathode ray tube
04/01/1998CN1178032A Demagnetization and ground cornection device for colour cathode ray tubes
04/01/1998CN1178031A Black matrix in colour picture tubes and method of producing the black matrix
04/01/1998CN1177825A Cathode structural element and CRT electronic gun using same
04/01/1998CA2216022A1 Electromagnetic radiation shield panel and method of producing the same
03/1998
03/31/1998US5734235 Electron gun with reduced astigmatism and curvature of field and CRT employing same
03/31/1998US5734234 Cathode ray tube display with deflection yoke and radiation shield
03/31/1998US5734226 For removing residual gases
03/31/1998US5734224 Image forming apparatus and method of manufacturing the same
03/31/1998US5734223 Field emission cold cathode having micro electrodes of different electron emission characteristics
03/31/1998US5733161 High luminescence display
03/26/1998WO1998012731A1 X-ray image tube and method for manufacturing the same
03/26/1998WO1998012730A1 Bake-hardenable solution for forming a conductive coating
03/26/1998WO1998012729A1 Color cathode-ray tube
03/25/1998EP0831515A2 Cathode ray tube apparatus
03/25/1998EP0831514A1 Demagnetization and ground connection device for colour cathode ray tubes
03/25/1998CN2277116Y Trimming device for convergence magnetic ring of colour picture tube
03/25/1998CN1177220A Method of molding sillicone part over elongted element and high-voltage connection device obtained with this method
03/25/1998CN1177198A Field emission display and method of making same
03/25/1998CN1177197A Color cathode ray tube with coma reduced
03/25/1998CN1037880C Cathode for electric discharge tube
03/24/1998US5731822 Picture display device, projection device provided with three such picture display devices, and picture tube suitable for use in such a picture display device
03/24/1998US5731660 For a field emission display
03/24/1998US5731657 Color cathode ray tube
03/24/1998US5731378 Emulsions based on acrylic polymers
03/24/1998US5731044 Process and apparatus for coating display CRT tube for electronic device
03/24/1998US5730887 Display apparatus having enhanced resolution shadow mask and method of making same
03/24/1998US5730636 Self-dimensioning support member for use in a field emission display
03/19/1998WO1998006135A3 Electron devices comprising a thin-film electron emitter
03/18/1998EP0829093A1 Lateral-emitter field-emission device with simplified anode and fabrication thereof
03/18/1998CN1176483A Narrow-neck CRT having large stem pin circule
03/18/1998CN1176481A Color cathode ray tube having improved first grid electrode
03/18/1998CN1176480A Shadow mask for cathode-ray tubes
03/17/1998US5729304 Device for fixing deflection yoke to Braun tube
03/17/1998US5729244 Field emission device with microchannel gain element
03/17/1998US5729099 Electron gun having improved focus and convergence, and color cathode-ray tube and image display device
03/17/1998US5729092 CRT focus mask degaussing arrangement responsive to a breakdown event
03/17/1998US5729086 Field emission display panel having a main space and an auxiliary space
03/17/1998US5729084 Thermionic cathode with continuous bimetallic wall
03/17/1998US5729083 Picture display device provided with an internal vacuum support
03/17/1998US5729082 Cathode structure comprising a heating element
03/17/1998US5729010 Night vision device localized irradiance attenuation
03/12/1998WO1998010462A1 Fast power supply for image intensifying tube
03/12/1998WO1998010461A1 Thin-film phosphors for field emission displays
03/12/1998WO1998010460A1 Color cathode-ray tube
03/12/1998WO1998010457A1 Matrix addressable display with electrostatic discharge protection
03/11/1998EP0828281A1 Cathode ray tube and method for manufacturing the same
03/11/1998EP0827627A1 A method of selectively metallising an inner, electrically insulating surface of an open body, and a scan velocity modulator manufactured using such a method
03/11/1998EP0827626A1 Field emission display cell structure and fabrication process
03/10/1998US5726539 Color cathode ray tube display system
03/10/1998US5726538 Cathode ray tube display with cancellation of electric field emissions
03/10/1998US5726529 Spacer for a field emission display
03/10/1998US5726527 Grid electrode structure for a cathode ray tube
03/10/1998US5726218 Photo-conductive composition and CRT bulb having photo-conductive layer formed of the same
03/10/1998US5725957 Cathode ray tubes
03/10/1998US5725787 Fabrication of light-emitting device with raised black matrix for use in optical devices such as flat-panel cathode-ray tubes
03/10/1998US5725627 Glass for a cone of a display tube, display tube envelope comprising a cone of such a glass and method of manufacturing a cone from such a glass
03/10/1998US5725407 Process for manufacturing a luminescent display screen that features a sloping structure
03/05/1998WO1998009308A1 Method and apparatus for reducing the strength of pulsating magnetic fields
03/05/1998DE19737183A1 Boron-containing iron-nickel alloy sheet
03/04/1998EP0827180A1 Cathode ray tube
03/04/1998EP0827175A1 Field-emission cold-cathode electron gun
03/04/1998EP0826163A1 Optical element and display device provided with said optical element
03/04/1998CN1175078A Conductive reflection-resistance membrane, making method and cathode ray tube thereof
03/04/1998CN1175077A 阴极射线管装置 A cathode ray tube apparatus
03/04/1998CN1175076A Shadow mask frame for cathode-ray tube
03/04/1998CN1175075A Method for making shadow mask frame
03/03/1998US5723940 Flat-panel type picture display device with electron propagation ducts
03/03/1998US5723938 CRT with asymmetric electrode geometry in inline direction with respect to side beam apertures in first grid electrode
03/03/1998US5723170 Glass bulbs for cathode ray tubes, injection of aqueous solution of electrolyte, drying and coating
03/03/1998US5723169 Method for making a shadow mask for a color picture tube
03/03/1998US5723071 Bake-hardenable solution for forming a conductive coating
03/03/1998US5723070 Phosphor for color cathode ray tube and manufacturing method thereof
03/03/1998US5723052 Soft luminescence of field emission display
02/1998
02/26/1998WO1998008243A1 Light-insensitive resistor for current-limiting of field emission displays
02/26/1998WO1997043781A3 Praseodymium-manganese oxide layer for use in field emission displays
02/25/1998EP0825785A2 Discoloration band correction system
02/25/1998EP0825633A1 Breakdown event detector
02/25/1998EP0825632A1 Glass bulb for colour picture tube, and said tube
02/25/1998CN1174629A Field emission cathode and methods in production thereof
02/25/1998CN1174474A Device for shielding electric field emitted backward from video display appliance
02/25/1998CN1174399A Cathode ray tube display with littler keystone distortion
02/25/1998CN1174398A Cathode structure of electron gun for cathode ray tube
02/25/1998CN1174397A Cathode structure and electron gun for cathode ray tube using the same
02/25/1998CN1174396A Cathode assembly of field emission display
02/24/1998US5721561 Image display device and drive device therefor
02/24/1998US5721469 Electron gun for cathode ray tubes
02/24/1998US5721468 Flat-panel type picture display device with electron propagation ducts
02/24/1998US5721299 Electrically conductive and abrasion/scratch resistant polymeric materials, method of fabrication thereof and uses thereof
02/24/1998US5721050 Glass polyhedrons
02/24/1998US5720640 Invisible spacers for field emission displays
02/19/1998WO1998007174A1 Color picture tube having improved funnel
02/19/1998WO1998001886A3 Electron-optical system, matrix electron-optical systems, and devices based thereon (versions)
02/18/1998EP0708973B1 Tension mask-frame assembly for crt