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WO/1999/005698A1 |
A night vision device (10) which applies a time-varying voltage to the photocathode (20) of the device (10) during periods of high average light intensity from a scene being viewed. The purpose of applying this time-varying voltage durin...
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WO/1999/005693A1 |
A deflection yoke mounted on a neck of a cathode-ray tube includes a pair of horizontal deflection coils, a pair of vertical deflection coils and a core (20) of a ferromagnetic material. The core has magnetic reluctance, in a front regio...
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WO/1999/005697A1 |
A night vision device (10) includes an improved power supply (62) which operates the image intensifier tube (14) of the device (10) according to a variable duty cycle either at a design voltage level for the tube (14) or at a voltage lev...
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WO/1999/005695A1 |
A night vision device (10) includes an improved power supply (62) which operates the image intensifier tube (14) of the device (10) according to a variable duty cycle either at a design voltage level for the tube (14) or at a voltage lev...
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WO/1999/005696A1 |
A multi-function day/night observation, ranging, and sighting device (10) includes a single objective lens (28) and a single eyepiece lens (30) and provides an image of a scene. The single objective lens (28) leads to a visible-light fir...
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WO/1999/004413A1 |
A night vision device (10) includes an image intensifier tube (14) which includes a photocathode (22) responsive both to white light and to infrared light to release photoelectrons. The photocathode (22) is particularly sensitive to infr...
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WO/1999/003127A1 |
A cathode ray tube having a deflection unit, the play between the deflection unit (11) and the envelope (4) being different for two perpendicular (x and y) directions. This enables the tilt of the deflection unit relative to the envelope...
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WO/1999/003126A1 |
A structure to reduce the likelihood of flashover in a parallel plate electron beam array is disclosed. The structure may comprise a means for generating a low intensity electric field in the vicinity of a spacer (200) separating the par...
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WO/1999/001884A1 |
The present invention relates to a color picture tube (10) having a viewing screen (22), and an electrode gun (26) within a neck (14) of the tube for generating and directing three in line electron beams, a center beam and two side beams...
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WO/1999/001891A1 |
A flat panel display includes a wall (103-102) which is held in place by a structure formed either on the faceplate (101) or on the backplate (210). In one embodiment, the supporting structure is formed by two adjacent walls that forms a...
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WO/1999/001883A1 |
Disclosed in this invention is a spectroscopically tuned display monitor that enhances the contrast, brightness and color space of images from a color display. The monitor comprises suitable absorbing materials in a glass or polymer subs...
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WO/1999/000818A1 |
A coating material, for coating a spacer structure (300) of a flat panel display, having specific resistivity and secondary emission characteristics is disclosed. The coating material is characterized by formula Psc > 100(Psw) and r < Ps...
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WO/1999/000817A1 |
An electron-emitting device employs a multi-layer resistor (46). A lower layer (48) of the resistor overlies an emitter electrode (42). An electron-emissive element (54) overlies an upper layer (50) of the resistor. The two resistive lay...
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WO/1999/000822A1 |
A field emission display (200) includes a cathode plate (202); a substrate (102) opposing the cathode plate (202); a conductive matrix (104) disposed on the substrate (102) and having via walls (103) defining a plurality of phosphor vias...
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WO/1998/059357A1 |
A flat panel display and a method for forming a flat panel display uses a low temperature glass frit deposit (101). In one embodiment the assembly (102) is heated to a low frit sealing temperature of about 220 degrees centigrade in a vac...
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WO/1998/059358A1 |
Picture display device having an improved bandwidth which is achieved by placing electric current conductors of the cathode on each other, with an insulating layer in between. In this type of picture display device, the modulation freque...
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WO/1998/059499A1 |
The degaussing circuit according to the invention comprises input terminals (it1, it2) which receive an AC mains voltage (Vac). A series arrangement of a degaussing coil (Ld) and a switching element (S1) is coupled between the input term...
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WO/1998/058399A2 |
An electron gun device includes an electron gun having an electron emitter (51), and at least two focus electrodes (54, 55) for forming an electron lens for focusing and accelerating electron beams emitted from the electron emitter, a vo...
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WO/1998/057201A1 |
Disclosed in this invention is an optical filter to enhance the contrast and brightness of images from a color display. The filter comprises suitable dyes and a polymer matrix, applied in a suitable form on the display unit. Said dyes ar...
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WO/1998/056026A1 |
Picture display device comprising an electron gun with cathodes having an enhanced dissipation of heat by virtue of an enlarged surface or an increase of the emissivity of the surface.
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WO/1998/054742A1 |
A transparent inorganic intermediate layer extends between a color filter layer and a phosphor layer in a color display device. Said intermediate layer stops electrons before they can penetrate the color filter layer. Ageing phenomena wh...
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WO/1998/054745A1 |
An electron-emitting device contains an electron focusing system (37 or 37A) formed with a base focusing structure (38 or 38A) and a focus coating (39 or 39A) that penetrates, preferably only pathway, into a focus opening (40) extending ...
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WO/1998/053477A1 |
A CRT (10) has an evacuated envelope (11) comprising a funnel (15) having a neck (14) and an open end. The funnel is sealed at the open end to a faceplate panel (12) having a luminescent screen (22), formed on a viewing area of an interi...
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WO/1998/053439A1 |
An optical filter comprising a filter substrate (11) and a transparent conductive film (12) for cutting off electromagnetic waves and infrared rays (for example, a transparent conductive film sputter film), provided on the filter substra...
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WO/1998/053478A1 |
A cathode ray tube glass comprises a clean cathode ray tube made of glass and a coating film composed of at least one water-soluble material selected from the group consisting of water-soluble salts, acids being solid at room temperature...
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WO/1998/052204A1 |
A field emission device (100) includes an anode (190); a substrate (110); a plurality of spaced apart cathodes (120); a dielectric layer (124) disposed on the cathodes (120); a plurality of spacer pads (130) disposed on the substrate (11...
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WO/1998/050936A2 |
A display device (10) includes a diamond-like carbon-containing coating material. The coating material includes both secondary electron emission coefficient of less than unity and electrical resistivity tunable over a range of from about...
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WO/1998/049705A1 |
A flat-panel display (100) including a substrate (102), a viewing screen (104), a non-conductive ring (106), many row conductive electrodes (120), conductive pads (122) and column buses (130). The ring vacuum-seals a cavity (108) between...
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WO/1998/049831A1 |
A coupler for coupling a CRT faceplate (114) of a cathode ray tube to a lens (160). The coupler comprises a rigid portion (201) having a faceplate surface (202) for coupling to the faceplate (114) and a lens surface (203) for coupling to...
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WO/1998/049708A2 |
Openings are created in a structure by a process in which a plate (20) is furnished with a sacrificial patterned masking layer divided into multiple laterally separated mask portions (22A). A primary layer of actinic material (28) is pro...
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WO/1998/049707A1 |
A display window of a display device is provided with an anti-static, anti-reflection filter. Said filter comprises a conductive layer including metal particles and transparent particles, which layer is covered with a further transparent...
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WO/1998/049704A1 |
The invention relates to a cathode structure intended to be inserted into an electron gun for a cathode-ray tube. The cathode comprises a cathode body (23) on the end of which is placed an emissive pellet (26), the cathode body being hel...
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WO/1998/048437A1 |
Semiconductor device with a semiconductor cathode having an emissive part (pn junction) separated from a contact part which has locations at which a controlled breakdown occurs on a contact metallization at too high voltages, so that, du...
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WO/1998/048439A1 |
In a CRT (10) having a tension mask (24) and support frame assembly (35), the support frame assembly is rectangular and has two long sides that parallel a central major axis thereof and two short sides that parallel a central minor axis ...
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WO/1998/048438A1 |
A method of operating a color cathode-ray tube (10) permanently alters the structure of one of the internal components of the tube. The tube has a plurality of internal components including a luminescent screen (22), electron beam genera...
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WO/1998/048440A1 |
The optical element (29) comprises a substrate (28) provided with a light-transmitting layer (20) whose transmission in the visible range varies in response to a variation in light. The optical element (29) is characterized in that an an...
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WO/1998/046541A1 |
A new method (P200) is provided for making magnesium oxide layers (122) in plasma displays (100). A magnesium carboxylate liquid precursor solution is applied to a display panel (102), dried, and annealed to yield a solid magnesium oxide...
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WO/1998/045870A1 |
A shrinkfit band (18) for a CRT (10) comprises a strip of metal having two ends (20, 22). At least one end (20) of the band is in contact with the CRT. The ends (20, 22) are joined by at least one connective joint (24) to form a loop. Th...
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WO/1998/044534A1 |
The brightness of a color CRT with a pigmented phosphor screen is improved by providing a composite layered screen in which a first layer of the composite layer is a relatively thin, heavily pigmented layer and a second is non-pigmented.
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WO/1998/044556A1 |
A thin film coupled to a substrate includes a first layer (102) which is doped with nitrogen and a second layer (104) which is not doped with nitrogen. Both layers are made of the same material, which is either a transition or a refracto...
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WO/1998/043747A1 |
A method for forming a conductively coated matrix structure for separating rows and columns of sub-pixels (106) on the faceplate (104) of a flat panel display device. One embodiment deposits a photoresistive material (108) over the inter...
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WO/1998/044533A1 |
A multi-level conductive matrix structure for separating rows (106, 108) and columns (110-122) of sub-pixels on a faceplate (104) of a flat panel display device is disclosed. The matrix structure has a first plurality of parallel spaced ...
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WO/1998/044771A2 |
Emission-reducing shield for a display, comprising two glass plates. A conducting layer is present on one of the glass plates. The layer is a continuous layer so that there is no Moir� effect. The shield may also have an anti-static co...
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WO/1998/044526A1 |
A cathode structure (200, 203, 204) suitable for a flat panel display is provided with coated emitters (229, 239, 230). The emitters are formed with material, typically nickel, capable of growing to a high aspect ration. These emitters a...
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WO/1998/044478A1 |
The invention concerns a display screen (11) made of pixels (P) connected to one screen edge (11a) by wires (12) spaced by a predetermined pitch (s) to be controlled by respective integrated circuit (16) terminals (18) external to the sc...
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WO/1998/043272A1 |
A cathode-ray tube that has an electron gun comprising a last-stage main lens made up of a last accelerating electrode (6) and the focusing electrode (5) and having a focus function stronger in horizontal direction than in vertical direc...
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WO/1998/043268A1 |
Multilayer cathode backplate structures are provided for use with a field emitter in display panels. Processes for making the structures are also disclosed. The backplate structures are made of a plurality of electrodes separated by one ...
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WO/1998/043269A1 |
A process is disclosed for the production of flat-screens grids coated with non-evaporable getter materials, wherein a metal sheet being as thick as the resulting grid and having at least the same surface area as the image formation zone...
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WO/1998/043273A1 |
A large television display screen without butting part, which comprises a plurality of display screens of kinescopes of which the large display screen is composed; a supporting frame which is bonded to the screens of kinescopes; optical ...
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WO/1998/042005A1 |
The invention concerns a display screen free from screen pattern, characterised in that the intermediate subassembly transparency, through which observation is carried out, is substantially constant at the scale of a subassembly anode. T...
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