Patents
Patents for H01J 31 - Cathode-ray tubes; Electron-beam tubes (11,837)
02/1994
02/08/1994US5285061 X-ray photocathode for a real time x-ray image intensifier
02/01/1994US5283501 Electron device employing a low/negative electron affinity electron source
02/01/1994US5283500 Flat panel field emission display apparatus
01/1994
01/27/1994DE4322834A1 X-ray image amplifier for various display and recording methods - suitable for use with charge coupled device T.V. imaging and having high resolution and low image distortion
01/27/1994DE4223693A1 X=ray image intensifier e.g. for medical diagnosis - has image sensor comprising layer system with semiconductor layer of amorphous semiconductor material for electron conversion
01/26/1994EP0580244A1 Flat-panel type picture display device with electron propagation ducts
01/20/1994DE4323273A1 Multi element fluorescent display panel - has number of grating elements that can be grouped together and operated with anodes in scanning mode
01/20/1994DE4310604A1 Mfg. field emission cathode for flat screen use - applying series of processes to form successive solid state layers and cathode tip
01/18/1994US5280360 Laser screen cathode ray tube with beam axis correction
01/13/1994DE4222590A1 X=ray image amplifier output screen unit - has anode and filter units coated with electron absorbing material with further coating of reflective material
01/12/1994EP0578403A1 Colour field emission display
01/12/1994EP0578095A1 Cathode-ray tube having internal magnetic shield with strengthening ribs
01/11/1994US5278544 Bistable electrooptical device, screen incorporating such a device and process for producing said screen
01/11/1994US5278475 Cathodoluminescent display apparatus and method for realization using diamond crystallites
01/11/1994US5278403 For time resolving a pulse of light
01/11/1994US5277784 Dividing substrate, forming signal line, insulating layer and segment electrode on each area, arranging wiring layers to connect signal lines, immersion in fluorescent material, applying power to wiring
01/11/1994US5277638 Method for manufacturing field emission display
01/05/1994EP0576692A1 Image intensifier with image sensor
01/05/1994CN1080432A Flat-panel type picture display device with insulating electron-propagation ducts
01/05/1994CN1080431A Electric conducting film of flat cathoderay tube and method for manufacture of same
01/04/1994US5276377 Cathode ray tube having a curved display window and a color display device
12/1993
12/28/1993US5274303 Cathode ray tube comprising a display window
12/21/1993US5272419 Flat visible display device and method of forming a picture
12/21/1993US5272413 Flat panel display device and a method of making the same
12/15/1993EP0574084A1 Flat-panel type picture display device with insulating electron-propagation ducts
12/15/1993EP0573754A1 Addressing method for cathodoluminescent display assembly
12/14/1993US5270617 Planar type display device and its driving method
12/14/1993US5270613 Two sided fluorescent indicator panel
12/14/1993US5270611 Electric discharge element
12/08/1993EP0573027A1 Image display apparatus and manufacturing method therefor
12/08/1993EP0572777A1 Cathodoluminescent display apparatus and method for realization
12/08/1993CN1023041C Color picture tube having improved shadow mask-frame assembly support
12/07/1993US5268612 Feedback limited microchannel plate
12/07/1993US5268570 Transmission mode InGaAs photocathode for night vision system
12/02/1993DE4311318A1 Flat panel display unit having pixel activation by low voltage signals - generated for row and columns using pairs of FET devices assigned for each pixel location.
12/01/1993EP0572170A1 Flat panel field emission display apparatus
12/01/1993CN1079072A Method of manufacturing a plate of electrically insulating material having a pattern of apertures and/or cavities
12/01/1993CN1022961C Color cathode ray tube
11/1993
11/24/1993EP0571206A1 Cathode ray tube
11/24/1993EP0423164B1 Method of manufacturing a control subassembly for flat display devices
11/16/1993US5263074 Spool distortion correction method for an x-ray radiograph diagnosis device
11/16/1993US5262698 Compensation for field emission display irregularities
11/10/1993CN1022717C Method for mfg. luminescent screen assembly using dry-powered filming material
11/04/1993DE4213907A1 X=ray image amplifier - has high voltage battery for supplying positive voltage to anode and negative voltage to photocathode to create high accelerating potential for electron=optics.
11/04/1993DE4213906A1 X=ray image amplifier to convert image into visible picture - comprises housing, inlet and outlet screens, electrodes, and anode
11/03/1993EP0568376A1 Imaging device
11/02/1993CA1323901C Image display apparatus and method of fabrication thereof
10/1993
10/28/1993WO1993021651A1 Cathode ray tube apparatus and method of manufacturing the same
10/28/1993WO1993021650A1 Self supporting flat video display
10/26/1993US5257018 Display device
10/26/1993US5256941 Color display tube having a suspension means for a color selection electrode
10/26/1993US5256937 Flat panel fluorescent screen display tube
10/26/1993US5256936 Image display device
10/26/1993US5256888 Transistor device apparatus employing free-space electron emission from a diamond material surface
10/14/1993DE4311982A1 Opto electronic camera for high resolution images - has hole mask and transmission through micro channel block to optical screen and X=Y addressable receiver.
10/13/1993EP0565169A1 Display device having a display window
10/12/1993US5252990 Optical printer head employing a phosphor for emitting light
10/12/1993US5252833 Electron source for depletion mode electron emission apparatus
10/12/1993CA2038224C Color picture tube having improved shadow mask-frame assembly support
10/12/1993CA2018530C Color picture tube having improved shadow mask-frame assembly support
10/06/1993EP0563903A1 X-ray image intensifier
10/05/1993US5250795 Feeble light measuring device
09/1993
09/30/1993DE4208540A1 X=ray image intensifier tube - has accelerating and braking voltages supplied to anode and phosphor-coated output screen respectively with lower voltage on output screen
09/30/1993DE4208538A1 X=ray image intensifier tube - has two separate isolated anode parts, one part near output screen receiving voltage lower than accelerating voltage applied to other part nearer to output screen
09/29/1993EP0562670A1 Method of manufacturing a plate of electrically insulating material having a pattern of apertures and/or cavities
09/29/1993CN1076808A Flat-panel type picture display device
09/28/1993US5248874 Image intensifier tube with correction of brightness at the output window
09/22/1993EP0561621A1 Imaging tube
09/21/1993US5247225 Display apparatus having spaced apart electron beam control electrodes coupled together by coupling pins
09/16/1993WO1993018536A1 Vertical microelectronic field emission devices and methods of making same
09/15/1993EP0560434A1 Flat-panel type picture display device
09/15/1993EP0559915A1 Lighting device and image readout device
09/15/1993CN1076309A Cathode-ray tube wherein plural regions of phosphor screen are scanned independently of one another
09/14/1993US5245249 Flat display device
09/08/1993EP0559550A1 Microchannel plate type intensifier tube, especially for radiological images
09/07/1993US5243253 Color picture tube having shadow mask with improved tie bar grading
09/01/1993EP0558393A1 Micropoint cathode electron source and display device with cathodo-luminescence excited by field emission using same source
08/1993
08/27/1993CA2089986A1 Micropoint emissive cathode electron source and field emission-excited cathodoluminescence display means using said source
08/25/1993EP0557191A1 Cathodoluminescent screen comprising a matrix electron source
08/24/1993US5238132 Glass pressure-vessel for a cathode ray tube
08/24/1993CA2035365C Projection cathode ray tube having a multilayer optical interference film
08/18/1993CN2140564Y X-ray image-amplification tube
08/17/1993US5237180 High resolution image source
08/11/1993EP0555074A1 An electron source for depletion mode electron emission apparatus
08/10/1993US5235245 Metallic frame including leads incorporating a deformable part for use in a fluorescent display panel
08/10/1993US5235191 Real-time x-ray device
08/04/1993EP0554145A1 Image intensifier tube, particularly of the proximity focusing type
08/04/1993EP0554076A1 Ionising radiation converter
08/03/1993US5233266 Color picture tube having improved shadow mask-frame assembly support
08/03/1993US5233183 Color image intensifier device and method for producing same
08/03/1993US5232549 Flat panel displays
07/1993
07/27/1993US5231387 Apparatus and method for addressing microtip fluorescent screen
07/21/1993EP0551767A2 An electron multiplier and an electron tube
07/20/1993US5229691 Electronic fluorescent display
07/20/1993US5229600 Exposure-compensation device for reciprocating-filter time-modulated color image intensifier
07/20/1993CA2027521C Projection cathode ray tube having an interference filter
07/20/1993CA2016379C Three tube color projection system having at least one tube without an interference filter
07/14/1993CN1021608C Encapsulated field emission device
07/13/1993US5227691 Flat tube display apparatus
07/08/1993WO1993013540A1 Fluorescent display device
1 ... 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 ... 119