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WO/1998/037165A1 |
The invention relates to phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, borates or titanates and have a small particle size, narrow particle size distribution and are s...
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WO/1998/037539A1 |
A method is developed for driving an ac plasma display panel (ACPDP), providing upgraded performance characteristics of the display, specifically, high efficiency, extra high brightness and low working potential difference in an easy-of-...
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WO/1998/032151A1 |
The display device comprises a vacuum-tight envelope having a transparent front wall which is provided with a display screen. The display device comprises an internal selection structure (67) which is provided with holes and with a plura...
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WO/1998/028769A1 |
A flat-panel device is fabricated by a process in which a pair of plate structures (40 and 42) are sealed along their interior surfaces (40A and 42B) to opposite edges (44A and 44B) of an outer wall (44) to form a compartment. Subsequent...
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WO/1998/027571A1 |
With a conventional plasma display panel, cross talk is likely to occur and an image is unstable. Thus, a gaseous discharge panel includes a first panel board (104) having a first electrode (24), a second panel board (108) facing the fir...
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WO/1998/026442A1 |
To enable gas discharge at a low pressure, at least two main electrodes separated by a distance d are provided, defining in a circuit-breaking case the cathode and the anode with the spacing required for said gas discharge at a low press...
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WO/1998/026441A1 |
Disclosed are switches comprising main electrodes separated by a certain distance for gas discharge at a low pressure and forming, inside a circuit-breaking case, the cathode and the anode with the spacing required for said gas discharge...
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WO/1998/026443A1 |
A getter (50 or 74) situated in a cavity of a hollow structure, such as a flat-panel device, is activated by directing light energy locally through part of the hollow structure and onto the getter. The light energy is typically provided ...
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WO/1998/025288A1 |
A flat-panel gas discharge display operable with either alternating or direct current includes magnetic elements within certain of the electrodes (16) which define the discharge cell. The display may be free of implosive forces when oper...
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WO/1998/022975A1 |
It is described an oxygen dispenser for use in high pressure discharge lamps. The oxygen dispenser of the invention comprises a metallic container capable of retaining solid materials but allowing an easy passage of gas, containing silve...
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WO/1998/020512A1 |
A method for manufacturing a back plate of a plasma dispay panel wherein the plate is constituted with at least either barrier rib forming sections (2b) by a barrier rib precursor mixture of an organic material stably covered with an ino...
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WO/1998/014976A1 |
A plasma display panel using gas mixtures are provided. The gas mixtures include a mixture of a primary discharge gas and a discharge accelerant gas. Discharge accelerant gases include nitrogen and hydrogen, and primary discharge gases i...
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WO/1998/013850A1 |
A plasma display protective plate provided over the front surface of a plasma display to block near-infrared radiation and electromagnetic waves which are emitted from the plasma display, to prevent external light from reflecting and to ...
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WO/1998/012726A1 |
A method of printing a pattern on plates for flat display devices, in which method, in succession, a raised pattern is provided, which is then subjected to a printing process by means of an unpatterned screen-printing screen. For example...
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WO/1998/012728A1 |
In a plasma display discharge tube in which an XY matrix electrode is constituted by arranging pluralities of stripe-like anodes (11) and stripe-like cathodes (9) at prescribed intervals so that they can cross each other and by using the...
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WO/1998/005054A2 |
The present invention relates to a high-luminosity light source which comprises a body with a transparent screen having an electro-conductive layer applied thereon for supporting a luminophore. A planar cathode is mounted within the body...
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WO/1998/002772A2 |
A device, such as a PALC device, has a gas-tight envelope accommodating a number of channels comprising an ionizable gas. Each channel has two electrodes. Adjacent electrodes in different channels are interconnected. Each pair of interco...
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WO/1998/001400A1 |
A plasma display comprising a pair of substrate glasses, an electrode disposed on the inner surface of the substrate glass, and a phosphor disposed between the glasses and emitting light upon discharge of the electrode. The substrate gla...
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WO/1998/001399A1 |
A plasma display comprising a pair of substrate glasses, discharge electrode disposed on the inner surface of the substrate glass, and a phosphor disposed between the glasses and emitting light upon discharge of the electrode. The substr...
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WO/1998/001885A1 |
A plasma display having partitions on a board. The ratios between the top surface width (Lt), the half-value width (Lh) and the bottom surface width (Lb) of each partition are within the ranges below: Lt/Lh = 0.65 - 1; Lb/Lh = - 2; where...
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WO/1998/001884A2 |
A microgap flat panel display which includes a thin gas-filled display tube (10) that utilizes switched X-Y 'pixel' strips to trigger electron avalanches and activates a phosphor (17) at a given location on a display screen (16). The pan...
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WO/1997/048020A1 |
The invention relates to providing tracks, for example conductive tracks, in a flat display device (such as a plasma display or PALC display) by means of a stencil-printing method. In particular, use can be made of multilayer stencils en...
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WO/1997/047705A1 |
A manganese-activated aluminate phosphor represented by the following compositional formula, and a vacuum ultraviolet-excited light emitting device comprising the phosphor as a phosphor layer: (1-a)(bMO.6Al2O3).a(MMg1-cMncAl10O17) wherei...
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WO/1997/045858A1 |
A method wherein the light in a sulfur or selenium lamp is reflected through the fill a multiplicity of times to convert ultraviolet radiation to visible. A light emitting device comprised of an electrodeless envelope which bears a light...
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WO/1997/043780A1 |
The method of successively positioning and fixing n plates forming a stack (21-26) relative to a mounting face (20), includes the positioning and alignment, if necessary, of n plates (21-26), each plate (21-26) being retained, after it h...
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WO/1997/040485A2 |
To improve performance, reliability and lifetime of a plasma-containing electro-optic display device, at least the cathode electrodes have hollows or wells within which plasma discharge occurs. This reduces the tendency of the electrode ...
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WO/1997/034313A1 |
A filter (2A, 2C) which prevents the leakage of electromagnetic waves from a PDP (1), and is provided with a filter base (11) in front of the PDP (1) and a grounded conductive mesh (12) which transmits light on the base (11) on the PDP (...
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WO/1997/033295A2 |
In known electronic tube systems the upper limit frequency and noise characteristics are limited by the known methods of producing miniaturised multiple electrode tubes, i.e. diodes, triode tubes and multi-electrode tubes. The tube syste...
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WO/1997/029503A1 |
A combination of materials is disclosed, comprising a getter alloy and one or more oxides chosen among Ag2O, CuO, MnO2 and Co3O4. To these combinations, a third component, consisting in an alloy rare earths, yttrium, lanthanum or their m...
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WO/1997/029506A1 |
The thin-type display device (1) has a transparent front wall (3), which is provided with a display screen, and a rear wall (24) which extends parallel to said front wall (3), and said display device comprises at least an electron source...
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WO/1997/026582A1 |
A flat display device, preferably of the PALC type, in which the plasma channels are formed by etching laterally-spaced slots in a spacer plate, attaching a thin dielectric sheet over the etched spacer plate, and bonding the etched space...
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WO/1997/025760A1 |
In order to optimize the so-called light-dark effect, i.e., the difference in breakdown voltage between the first and the second firing after a dark phase in gas-filled discharge spaces, an additional component made of an oxide compound ...
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WO/1997/022962A1 |
A flat display device, preferably of the PALC type, in which the plasma channels are formed by etching in a substrate laterally-spaced channels and bonding a thin dielectric sheet over the etched substrate. Adjoining each of the channels...
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WO/1997/019438A1 |
AC Plasma Display Panel with a reverse surface discharge with each display element comprises at least, one display discharge gap formed by the address and common electrodes, and the control and address display electrodes wherein the numb...
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WO/1997/013655A1 |
An articulated viewing apparatus (10) has a pair of elevational actuators (56, 78), one of which is a coarse-position actuator (56) and the other of which is a fine-position actuator (78), and each of which pivots a mirror head (28) abou...
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WO/1997/011477A1 |
A color plasma display panel including a pixel matrix array (R, G, B) in which discharge cells of red (R), green (G) and blue (B) are grouped to constitute a pixel, wherein the pixel includes a blue discharge cell (B) having a height sma...
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WO/1997/005639A1 |
An yttrium film (34) is formed on a base plate (33) made of an Ni-Cr alloy (INCONEL 601), by vapor deposition (achieved by resistance heating or application of an electron beam) or sputtering, to a thickness ranging from 1000� to about...
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WO/1996/042035A1 |
A photosensitive paste comprising an inorganic particulate material and an organic component containing a photosensitive compound as the essential components, characterized in that the difference in average refractive index between the o...
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WO/1996/041322A1 |
A liquid crystal display is provided using a flat panel of microlamps being formed from gas discharge display structures and made by the method of making the same utilizing integrated circuit fabrication techniques. The flat panel of mic...
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WO/1996/032827A1 |
A field controlled plasma discharge display element is disclosed for use in single (40) or multiple element (88) plasma displays and for light source in single element (200) and multiple element (230, 250) plasma discharge electrostatic ...
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WO/1996/030887A1 |
For contacting of PALC devices the fanout region is also channelled and has upstanding structure such as columns provided in the fanout channels so that the spaces between the columns, and between the columns and the side walls are fille...
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WO/1996/030926A1 |
The invention provides spacers for separating and supporting a faceplate structure and a backplate structure in a flat panel display, and methods for fabricating these spacers. Each spacer is typically made of ceramic, such as alumina, c...
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WO/1996/029689A1 |
A flat display device preferably of the PALC type in which a micro-sheet covering the plasma channels has etched spaced elongated cavities configured in such a way that the top portions of the plate between side walls of each cavity defi...
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WO/1996/024879A1 |
A process for fabricating the channel substrate of a plasma-adressed electro-optic display device comprising a layer of electro-optic material, data electrodes coupled to the electro-optic layer and adapted to receive data voltages for a...
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WO/1996/024945A1 |
A device suitable for switching large currents includes, within a gas filled envelope, an anode (1), electrodes (2 and 3) and a thermionic cathode (4). Initially, the device holds off a voltage until a triggering pulse is applied to elec...
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WO/1996/020494A1 |
The invention concerns alternating voltage plasma displays which, with the development of high-definition television, are becoming increasingly important. With such displays, it is already possible very satisfactorily to produce screens ...
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WO/1996/019789A1 |
A plasma-addressed liquid crystal color display device comprising a layer of liquid crystal material, data electrodes coupled to the liquid crystal layer and adapted to receive data voltages for activating pixels of the liquid crystal la...
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WO/1996/019750A1 |
A plasma-addressed electro-optic display device comprising a layer of electro-optic material, data electrodes coupled to the electro-optic layer and adapted to receive data voltages for activating portions of the electro-optic layer, and...
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WO/1996/019009A1 |
A vacuum state microelectronic device comprising at least a cathode, an anode, and a grid, disposed in a cavity, and formed by the wafer bonding of two planar substrates. The technology permits multiple vacuum state microelectronic devic...
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WO/1996/017172A1 |
An integrated microactuator including a gas-containing cavity (4) within at least one layer (1, 2, 3) of photolithographically machinable material, electrodes (13, 15, 16) for generating an electric field inside the cavity (4) that can c...
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