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WO/2003/050317A1 |
A steel sheet for a heat shrink band having a yield strength of 24 kg/mm2 for use in making a cathode ray tube of aperture grille type, characterized in that it has a magnetic permeability of 400 to 650 at a magnetic field of 0.3 Oe; and...
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WO/2003/049123A1 |
A low reflectance conductive film and colored low reflectance conductive film for improving conductivity, suppressing lowering of conductivity as the time elapses, maintaining the reflectance and scratch-resistance, and having a low refl...
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WO/2003/049132A1 |
An electron emitting device includes an electron-supply layer (12) made of at least one of silicon, a mixture containing silicon as a main component and a silicon compound in an amorphous phase, an insulator layer (13) formed on the elec...
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WO/2003/049136A2 |
A cathode-ray tube (1) having a luminescent screen (12) on a faceplate panel (3) and a tension mask assembly (10), wherein the assembly comprises a pair of support blades for supporting a tension mask (30). The tension mask has a pair of...
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WO/2003/049137A2 |
A mask useable to direct an electron beam having a cone side and a grade side. The cone side includes a plurality of troughs that extend partially into the mask but do not extend to the grade side. Apertures are formed in the bottoms of ...
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WO/2003/046942A2 |
A display tube comprises an electron source (10), a module (20) provided with a guidance cavity (25R, 25G, 25B) for guiding electrons emitted by the electron source (10) to an exit aperture (27R, 27G, 27B) of the guidance cavity (25R, 25...
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WO/2003/046943A1 |
An electron gun for a color cathode ray tube is presented wherein the keyhole shaped penetrating hole of electron beam is formed on the sixth grid electrode which is a divergent electrode, and an electron beam penetrating hole in the sha...
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WO/2003/044819A2 |
A multiplexed grid structure(406) for electron emission displays allows each of the grid portions(402)to be independently controllable from each other so that electrons can be emitted from their respective pixel sites as each grid portio...
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WO/2003/044822A1 |
The invention relates to a tension mask frame (10) for a CRT (1) having a generally rectangular support frame (20) to which a peripheral portion of a tension mask (30) is attached. The support frame has at least a long side (22, 24) and ...
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WO/2003/043047A1 |
The present invention relates to a process for calcium evaporation inside a system operating under vacuum. The process comprises the following steps: introducing into said system at least one evaporable getter device comprising an air-st...
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WO/2003/043049A1 |
A display device comprises a cathode ray tube (1) with an electron gun (5) for generating at least one electron beam (6) by means of a cathode, a phosphor screen (8) on an inner surface of a display window (2) and a means (9, 27, 28) for...
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WO/2003/042726A1 |
A contrast enhancement filter for a display device, comprising an element with a plurality of connected sloping surfaces, acting as a plurality of beam splitters (2, 4). The filter further comprises a plurality of light absorbers (12, 13...
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WO/2003/043046A1 |
The electron impact surface (19) of an anode (13) is coated with a carbon nanotube coating (21) to reduce the production of secondary electrons and, concomitantly, to suppress the formation of neutral gases and plasma. A carbonizable res...
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WO/2003/043048A1 |
A prefocusing lens section comprises a screen electrode (G2) and an additional electrode (G3). The main lens section comprises a focusing electrode (G5), an anode electrode (G6), and an intermediate electrode (GM) disposed between the fo...
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WO/2003/041039A2 |
The invention relates to a vacuum display device comprising a display screen (30) having picture elements (35), cathode means (20) for generating a plurality of electron beams (EB), each corresponding to one of the picture elements (35),...
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WO/2003/041040A2 |
The present invention relates to a display device comprising a display screen (1), said display screen being provided with a selective light-absorbing outer coating (2) on an outer side of said screen, characterized in that said display ...
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WO/2003/039164A1 |
Picture display device (1) comprising a cathode ray tube (2) whose display screen (4) is provided with parallel image lines (10) along which an electron beam (5) is scanned, and with pairs of first and second phosphorescent index element...
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WO/2003/038855A1 |
In a centoroidal deflection yoke, the middle point CL (M) of the whole length in the tube axial direction from the large diamter part (34L) to the small−diameter part (34S) of a magnetic core (34) is located closer to the small−diame...
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WO/2003/035920A1 |
A Fe−Ni base alloy for a shadow mask raw material excellent in the resistance to corrosion having a chemical composition, in wt %: C ≤ 0.01 %, Si: 0.01 to 0.1 %, Mn: 0.01 to 0.1 %, Ni: 35 to 37 %, Cr ≤ 0.1 %, Nb: 0.01 to 1.0 %, S â...
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WO/2003/037056A1 |
A substrate with a well−balanced electromagnetic shield film, excellent in electromagnetic shielding performance, enabling the user to easily see the image display thanks to high visible light transmittance, and low reflectance, and ex...
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WO/2003/034460A1 |
The barrel (331) of a funnel−shaped horizontal coil bobbin (33) is peripherally formed with a plurality of ribs (332, 333, 334) in an inner−surface neck−side region, a panel−side region, and a region intermediate between the neck...
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WO/2003/034461A1 |
A safe, highly reliable, and lightweight glass funnel for cathode ray tube, wherein, in the outer peripheral portion of a body (3) formed by allowing the body to cross a plane perpendicular to a tube axis (A), outwardly projected bent pa...
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WO2002065499A9 |
A light-emitting device is provided with getter material (58) that can readily be distributed in a relatively uniform manner across the device's active light-emitting portion. An electron-emitting device is similarly provided with getter...
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WO/2003/034459A1 |
A cathode ray tube (CRT) (2) comprising a display (4) for presenting an image, a deflection device (10), and an electron gun (12) comprising electron-generating cathodes (22a-c) for generating electron beams (14a-c). Said CRT (2) compris...
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WO/2003/032473A2 |
The invention concerns a device for powering a vacuum fluorescent display (VFD) of a motor vehicle, the display means (19) having a filament (17) requiring a polarizing voltage and an alternating heating voltage and an anode (25) and a g...
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WO/2003/032334A1 |
A sheet member easily produced using a plurality of materials, having a high degree of freedom of pattern designing, simple in necessary facility, and easy in handling during production, its manufacturing method, etc. are disclosed. A th...
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WO/2003/030205A1 |
An image display apparatus includes a face plate (10) having an image display screen and a rear plate (12) having a plurality of electronic sources for exciting the image display screen and arranged to oppose to the face plate (10) with ...
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WO/2003/030211A1 |
A metal halide lamp with substantially no mercury sealed in, a metal halide lamp operating device using the same, and a headlamp device for automobiles are disclosed. In the above products, the luminous flux rise is increased. The metal ...
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WO/2003/028064A1 |
An image display unit comprising a face plate (10) having an image display screen, and a rear plate (12) disposed opposite to, and with a gap with, the face plate (10) and provided with a plurality of electron sources for exciting the im...
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WO/2003/028063A1 |
A method of manufacturing a luminescent screen assembly, having a light-absorbing matrix (23) with a plurality of substantially equally-sized openings therein, on an inner surface of a faceplate panel (12) of a cathode-ray tube (CRT) is ...
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WO/2003/028061A1 |
Differently sized silicon nanoparticles (104-109) are used as a phosphor material for cathode ray tubes (100), field emission displays, or liquid crystal displays. The differently sized particles (104-109) will emit different light wavel...
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WO/2003/025232A1 |
The invention relates to a method for producing a strip from an iron-nickel alloy for tensioned shadow masks used in flat monitors and display screens, whereby the strip comprised of a chemical composition (in mass %) 35-38 % Ni, 0.4-0.8...
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WO/2003/023812A1 |
A deflecting yoke used in a cathode ray tube, and a deflecting yoke−use core. A deflecting yoke−use core is a square slot core in which a core inner surface has a rectangular portion and projections are provided on the core inner sur...
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WO/2003/023811A1 |
Colour cathode-ray tube comprising a colour selection mask (8) tensioned in at least one direction inside a metal frame (19), the said frame comprising on at least two opposed sides means (55) for damping vibrations of the mask of the ty...
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WO/2003/023505A2 |
A visual display arrangement comprises a panel having an image-providing part (14) and a light-transmitting prismatic sheet (16) arranged over the exposed front part of the display. The sheet (16) may, for example, have an array of paral...
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WO/2003/023810A2 |
In color display tubes (1) the color purity performance is of the utmost importance. One of the factors adversely affecting this color purity performance is the microphony behavior of the shadow mask (13). Vibrations or shocks coming fro...
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WO/2003/022765A1 |
A funnel glass for a cathode−ray tube which has a chemical composition, in mass %: SiO2: 48 to 62 %, Al2O3: 1.4 to 4.1 %, PbO: 5 to 15 %, MgO: 0 to 2 %, CaO: 0.1 to 4 %, SrO 3 to 8 %, BaO: 3 to 8 %, ZnO: 0 to 2 %, Na2O: 4 to 9 %, K2O: ...
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WO/2003/021625A1 |
The electron impact surface (19) of an anode (13) is coated with a pyrocarbon coating (21) to reduce the production of secondary electrons and, concomitantly, to suppress the formation of neutral gases and plasma. First, a coating of a c...
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WO/2003/021627A1 |
A cathode−ray tube capable of performing dynamic convergence correction without distorting a spot or deteriorating focus. The cathode−ray tube deflects two electron beams (E1, E2) which have passed through a main focus lens. A conver...
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WO/2003/021626A2 |
The invention relates to a cathode ray tube comprising means (5) for generating an electron beam (6,7,8), means (51) for deflecting the electron beam, and a coil (14') for influencing a deflection of the electron beam (6,7,8). The coil (...
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WO/2003/019606A1 |
The scanning velocities of a plurality of electron beams having beam intervals can be independently modulated. A current is supplied to a velocity modulation coil to modulate the scanning velocities of a plurality of electron beams (19A)...
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WO/2003/019608A1 |
An image display unit having a structure in which a heat−resisting fine particle layer is formed on a metal back layer formed on a phosphor layer, and a getter layer is deposited&sol formed on the heat−resisting fine particle layer b...
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WO/2003/019603A1 |
The invention relates to a cathode ray tube (100) comprising an electron source (101) having a cathode (105, 106, 107) for emitting electrons, an electron beam guidance cavity (120, 121, 122) having an input and an output aperture for co...
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WO/2003/019607A1 |
A funnel glass for a cathode ray tube capable of preventing the contrast of the cathode ray tube from lowering by absorbing light invaded in the funnel glass thereby, wherein a light transmittance in the range of wavelength of 450 to 650...
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WO/2003/019604A1 |
A color cathode ray tube (CRT) has an electron-optical system (1) for generating three electron beams (EBR, EBG, EBB), deflection means (2) and a screen (3). In operation, the deflection means (2) deflect the electron beams (EBR, EBG, EB...
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WO/2003/019605A1 |
In a saddle−type deflection coil mounted on a color image receiving tube with a flat screen plane, the end on an electron gun side and the end on a screen side of a pair of deflection field generating sections (4, 4) elongating along t...
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WO/2003/019609A2 |
In color display tubes (1) with a dotted shadow mask (13) structure and an in-line electron gun (10), the geometry of the screen (6) and the deflection field produced by the deflection unit (11) cause triad rotation, which is a rotation ...
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WO/2003/019602A1 |
A cathode ray tube (1) includes a tension mask (30) attached to a rectangular mask frame assembly (10) that has two longs sides (22, 24) paralleling a central major axis X thereof and two short sides (26, 28) paralleling a central minor ...
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WO/2003/017315A2 |
The present invention provides an improved support blade structure (40) for use on a tension mask frame assembly (10). The support blade structure (40) is formed of a material having a first coefficient of thermal expansion and includes ...
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WO/2003/017316A1 |
The invention relates to a tension mask frame assembly (10) for a CRT (1) having a substantially rectangular mask support frame (20). The mask support frame (20) has a pair of long sides (22, 24) extending about a central major axis X an...
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