Abstract: A method of coating phosphor particles by chemical vapor deposition. The phosphors are coated by introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction vessel; heating the reaction vessel to a reaction temperature; introducing a coating precursor which includes carbon into the reaction vessel for a time sufficient to saturate the phosphor particles with the precursor; continuing precursor flow into the reaction vessel; introducing an oxygen/ozone mixture into the reaction vessel, the oxygen/ozone mixture comprising less than 4.4 wt. % ozone; and maintaining the inert gas flow, oxygen/ozone mixture flow and further precursor supply for a time sufficient to coat the phosphor particles. The process produces phosphors having from 2200 to 6300 ppm of carbon on the coating and provides lamp efficacy's of greater than 6.1 lm/watt.

Abstract: This invention relates to self-luminescent signage and indicia, particularly suited to architectural applications. This invention uses stencils, or other guiding devices, an applicator and an alkali earth oxide aluminate luminescent paint to create indicia that absorb ambient light and emit it in the darkness. This eliminates the need for separately powered emergency signage or other luminescent or illuminated indicia.

Abstract: A cathode ray tube has a panel portion 1 with a phosphor layer 5 formed on its inner face, a neck portion 2 accommodating an electron gun 9, a funnel portion 2 for coupling the panel portion 1 to the neck portion 2 and a color selective electrode assembly 6 having a number of electron beam passing openings arranged opposite to the phosphor layer 5 with a space therebetween. The color selective electrode assembly is installed within the panel portion 1. An electron beam reflection film of a bismuth oxide thin film 6R having a bulk density of at least 1 g/cm3, e.g., from 1 to 9.3 g/cm3, is formed on the face of the color selective electrode assembly 6 against which the electron beams 14 emitted from the electron gun 9 collide. The cathode ray tube is capable of displaying high density and high resolution image.

Abstract: Since a widely applicable high quality plasma display equipped with a phosphor layer suitable as a highly precise plasma display can be produced continuously at a high productivity level, an industrially advantageous method and apparatus for producing a plasma display can be provided. The highly precise plasma display obtained in the present invention can be widely used in the display field, for example, for wall mounted television sets, information displays, etc.

Abstract: A coating composition comprising at least a stimulable phosphor, a binder, and a mixed solvent is prepared. The mixed solvent comprises a low boiling temperature solvent having a viscosity of at most 0.6 mPa·s and a high boiling temperature solvent having a viscosity higher than 0.6 mPa·s, boiling temperatures of the low boiling temperature solvent and the high boiling temperature solvent being different by at least 10° C. from each other. The coating composition is applied onto a substrate and dried, and a stimulable phosphor layer is thereby formed on the substrate. The boiling temperature of the low boiling temperature solvent may be at most 110° C., and the boiling temperature of the high boiling temperature solvent may fall within the range of 110° C. to 220° C. The thus formed stimulable phosphor layer has uniform stimulable phosphor density, and a radiation image storage panel exhibiting little nonuniformity in light emission is capable of being produced.

Abstract: A display member, particularly a plasma display member, can be produced by a process comprising applying a paste which comprises a urethane compound and inorganic fine particles onto a substrate and then firing the paste. The display member has a post-firing pattern without any defect.

Abstract: Methods for preparing organic thin films on substrates, the method comprising the steps of providing a plurality of organic precursors in the vapor phase, and reacting the plurality or organic precursors at a sub-atmospheric pressure. Also included are thin films made by such a method and apparatuses used to conduct such a method. The method is well-suited to the formation of organic light emitting devices and other display-related technologies.

Abstract: A preparation method of an oxygen-introduced rare earth activated alkaline earth metal fluorohalide stimulable phosphor is disclosed, comprising (a) preparing a reactant solution having a barium concentration of not less than 3.3 mol/l in a reaction vessel, (b) forming a precursor of the stimulable phosphor, and (c) removing a solvent from a mother liquor.

Abstract: A process for producing a vacuum ultraviolet ray-excited light-emitting phosphor comprising the steps of

Abstract: A method and an apparatus for coating interior carbon on the inner surface of cathode ray tube funnels by the flow coating process, being capable of coating the interior carbon so as to avoid adhesion thereof onto the projected portion of the anode button, and so as to ensure electrical connection between the interior carbon and the anode button will be provided. In the method, the air is spot-blown around the anode button provided inside the funnel at least when the interior carbon injected onto the inner surface of the funnel flows down to reach such anode button, to thereby prevent the interior carbon from adhering to the projected portion of such anode button.

Abstract: A method of coating phosphor particles that comprises the steps of introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction vessel; heating the reaction vessel to a reaction temperature; introducing a coating precursor into the reaction vessel; introducing an oxygen/ozone mixture into the reaction vessel; and maintaining the agitation, inert gas flow, oxygen/ozone mixture flow and precursor supply for a time sufficient to coat the phosphor particles. This process yields phosphors having a half-life of upwards of 3,100 hours with efficacys of greater than 6 lumens per watt (lm/w).

Abstract: A method for manufacturing an electron-emitting device processing an electroconductive film upon which an electron-emission region is formed is characterized in that the formation process of formation of the electron-emission region includes a process of application of metal compound-containing material and film thickness controlling agent to the substrate. A method for manufacturing an electron source comprises a substrate, and a plurality of electron-emitting devices arrayed upon the substrate, wherein the electron-emitting devices are manufactured according to the method for manufacturing the electron-emitting device. A method for manufacturing an image-forming apparatus comprises a substrate, an electron source comprised of a plurality of electron-emitting devices arrayed upon the substrate, and an image-forming member, wherein the electron-emitting devices are manufactured according to the method for manufacturing an electron-emitting device.

Abstract: The display screen 32 of a cathode ray tube is provided with a filtering layer consisting of silicon dioxide, an oxide of Ge, Zr, Al or Ti and a black dye. The filtering layer obtained may be mirror bright, is resistant to light and to customary cleaning liquids.

Abstract: A viscous substance dispenser is provided with a container containing a viscous substance having a viscosity in the range of 1,000 to 1,000,000 cps. The container is provided with a circular orifice or a polygonal orifice of a diameter in the range of 50 &mgr;m to 1 mm in its lower portion. An electrode is formed in a portion or the entire portion of the container. A meniscus of the viscous substance is made to bulge out from the orifice and a high voltage pulse is applied to the electrode to pull out the viscous substance through the orifice and a portion of the viscous substance pulled out of the orifice is cut and is made to adhere to a medium.

Abstract: An electrode substrate is brush cleaned with a hydrogen gas dissolved water, which has an oxidation-reduction potential of −860 mV to −400 mV and a pH of 8 to 12, before applying an alignment layer material on the electrode substrate. Thus, it is possible to decrease the manufacturing costs without decreasing the detergency.

Abstract: A method for producing an organic electroluminescent device, which is provided with first electrodes formed on a substrate, a thin film layer formed on the first electrode containing at least an emitting layer composed of an organic compound and a plurality of second electrodes formed on the thin film layer, and has a plurality of luminescent regions on said substrate, comprising the steps of forming spacers having a height at least partially exceeding the thickness of said thin film layer on the substrate, and vapor-depositing a deposit for patterning while the shadow mask having reinforcing lines formed across its apertures is kept in contact with said spacers.

Abstract: A serpentine avionics fluorescent tube with enhanced uniformity of luminance and chromaticity where the serpentine tube has a phosphor coating deposited therein after the fluorescent tube has been bent into a serpentine shape by pulling a spay nozzle emitting phosphor through the previously bent fluorescent tube.

Abstract: A method for producing an organic electroluminescent device, which is provided with first electrodes formed on a substrate, a thin film layer formed on the first electrode containing at least an emitting layer composed of an organic compound and a plurality of second electrodes formed on the thin film layer, and has a plurality of luminescent regions on said substrate, comprising the steps of forming spacers having a height at least partially exceeding the thickness of said thin film layer on the substrate, and vapor-depositing a deposit for patterning while the shadow mask having reinforcing lines formed across its apertures is kept in contact with said spacers.

Abstract: Disclosed is a method of manufacturing a cathode ray tube, in which an untreated panel for a cathode ray tube is supplied to a phosphor screen-forming line including a black film-forming step for forming a black film, a phosphor film-forming step for forming a phosphor film, and an aluminum film-forming step for forming an aluminum film to form a pattern of a phosphor screen consisting of the black film, the phosphor film and the aluminum film on the inner surface of the panel.

Abstract: The purpose of the invention is to provide an organic electroluminescent element having stable luminescent characteristics with a low luminescence starting voltage and without non-luminescing black spots in the luminescing surface. The invention relates to a method of manufacturing an organic electroluminescent element and an organic electroluminescent element produced by said method, said method of manufacturing an organic electroluminescent element comprising a process for forming a positive electrode substrate by dry etching a transparent electrode in a vacuum, a process for dry washing said positive electrode substrate in a continuous vacuum without exposure to air, a process for forming an organic layer incorporating an organic luminescing layer on said positive electrode substrate, and a process for forming a negative electrode on said organic layer.

Abstract: A coating liquid for forming an organic LED layer which is used for forming an organic LED layer of an organic LED device by an inkjet method, comprising at least: a solvent and an organic material having a weight-average molecular weight less than 600,000.

Abstract: A method of providing moisture resistance of inorganic particles such as alkaline earth metal aluminate phosphors comprising firing the phosphor in the presence of ammonium fluoride or ammonium difluoride at a temperature of at least 500° C. The phosphor particles become coated with a moisture-impervious coating that does not degrade the luminescence of the phosphors and can withstand complete immersion in water for long periods of time.

Abstract: Disclosed are a phosphor pattern which comprises a calcination product of a phosphor pattern precursor containing

Abstract: A light quantity correction filter that can implement the desired transmittance distribution precisely and easily without complicating an exposure system, a method of making the light quantity correction filter, and a method of manufacturing a color cathode ray tube using the light quantity correction filter are provided.

Abstract: A liquid coating nozzle is provided with a first block which has an inner liquid reserving section that extends in the longitudinal direction and an inner discharge section which includes a plurality of small holes formed in the longitudinal direction at a bottom portion of the liquid reserving section. The nozzle is also provided with a second block which has an inner space defining a gas reserving section that extends in the longitudinal direction outside the first block and an outer discharge section formed in the longitudinal direction at a bottom portion of the inner space. The outer discharge section includes a plurality of small holes and produces a gas flow that externally surrounds a linear or curtain-shaped liquid flow that flows downward from the small holes. This results in the formation of a thin coating film in a short time and reduces the consumption of liquid and coating nonuniformities.

Abstract: A method for manufacturing a color filter colors a large number of filter elements on a substrate respectively in a predetermined color. A filter element is colored while an ink-jet head nozzle and the filter element are aligned. The method comprises a detection step of detecting the position of the filter element, a correction step of correcting a relative position of the filter element and a discharge nozzle for discharging coloring material, based on position information of the filter element detected at the detection step, so that the filter element and the discharge nozzle are aligned, and a coloring step of coloring the filter element by discharging the coloring material by the discharge nozzle.

Abstract: A method for processing a substrate having an aluminum neodymium-containing layer is disclosed. The aluminum neodymium-containing layer has residual chlorine proximate to its etch surface. The method includes providing a first gas chemistry including HBr and SF6 which supplies a first plurality of fluorine ions, forming a first plasma from said first gas chemistry, passivating the etch surface of the aluminum neodymium-containing layer with the first plasma to cause a second plurality of fluorine ions to replace a first portion of the residual chlorine. This second plurality of fluorine ions is a subset of the first plurality of fluorine ions.

Abstract: A method for preparing a stimulable phosphor is disclosed, comprising forming a stimulable phosphor and coating the formed stimulable phosphor with a metal oxide and a silane coupling agent, or a metal oxide and a metal alkoxide. Another method is also disclosed, comprising forming a stimulable phosphor precursor, calcining the formed precursor in the presence of a metal oxide or metal alkoxide, and coating the calcined precursor with a silane coupling agent or metal alkoxide. Further disclosed is a preparation method of a radiation image conversion panel containing the stimulable phosphor.

Abstract: A phosphor particle has thereon a moisture resistant treatment of a metallic nitride. By moisture resistant is meant a condition allowing the phosphor particle to function in a humid atmosphere for a significantly longer period of time than an untreated particle. The method of making such phosphors comprises the steps of introducing an inert gas into a reaction vessel; charging phosphor particles into the reaction vessel; heating the reaction vessel to a reaction temperature; introducing a nitride coating precursor into the reaction vessel in a manner to avoid restrictive reactions; introducing a co-reactant into the reaction vessel; and maintaining the inert gas flow, co-reactant flow and precursor supply for a time sufficient to moisture-proof the phosphor particles.

Abstract: The present invention provides suspensions and methods for depositing luminescent materials (e.g., phosphors) using electrophoresis, particularly during the preparation of display devices, such as field emission display devices, and the articles produced thereby. The luminescent material is deposited onto a substrate having thereon a metal-containing transparent, conductive coating. The suspension includes a nonaqueous liquid, a luminescent material, and a salt of a metal of the transparent, conductive coating.

Abstract: A system and method for applying a thick layer of luminescent emissive material, such as phosphor, to a substrate, such as a data storage cartridge, is provided whereby a luminescent emissive material is mixed with a binder, the mixture is dispensed onto a mesh screen placed over a substrate, and the mixture is then pushed through the mesh screen and applied to the substrate at a predetermined thickness. The predetermined thickness of the deposited phosphor layer is preferably between about 8 and 12 mils.

Abstract: A method of fabricating an organic EL display panel accomplishes pixelation without using a shadow mask, and without exposing active EL elements to solvents from photoresist, or developing and stripping solutions. A first electrode layer and an insulating layer are formed on a transparent substrate. Portions of the insulating layer are removed at predetermined regions using at least one laser beam. An organic function layer and a second electrode layer are then formed on the predetermined regions. The first electrode layer, the organic layer and the second electrode layer form a sub-pixel. Additional sub-pixels are formed using the same method.

Abstract: A method for forming a planar aluminum layer in a flat panel display structure. In one embodiment, the present invention creates a flat panel display structure having a raised black matrix defining wells within the matrix. The present embodiment then deposits a non-conformal layer of acrylic-containing aluminizing lacquer over a layer of phosphors residing within the wells of the black matrix. In so doing, the lacquer layer forms a substantially planar surface on top of the phosphors. The present invention then deposits a layer of catalyst material over the layer of lacquer so that the aluminizing lacquer can be burned off completely and cleanly at a relatively low temperature. The catalytic layer conforms to the planar surface of the lacquer layer. The present invention then deposits an aluminum layer over the catalytic layer. The aluminum layer, in turn, conforms to the planar surface of the catalytic layer. Finally, the present invention bakes off the non-conformal lacquer layer.

Abstract: A black matrix material for increasing resolution and contrast of field emission displays is disclosed. The black matrix material is preferably deposited by electrophoresis in the interstitial regions between phosphor pixels of the faceplate. By this technique, high resolution and/or small surface area field emission displays may be manufactured. The black matrix material does not brown when subjected to the conditions associated with the manufacture of field emission displays, is chemically inert and remains stable under vacuum conditions and electron bombardment. The black matrix material is selected from boron carbide, silicon carbide, tungsten carbide, vanadium carbide and mixtures thereof.

Abstract: The invention relates to a method of growing a ZnS:Mn phosphor layer suitable for use in thin-film electroluminescent components. According to the method, the ZnS:Mn phosphor layer is grown on a substrate by means of the ALE method using volatile zinc, sulfur and manganese compounds as the precursors. According to the invention, an organozinc compound such as diethylzinc or dimethylzinc is used as precursor for zinc, hydrogen sulfide or an organosulfur compound is used as precursor for sulfur, and an organomanganese compound or organic manganese complex compound is used as precursor for manganese. The invention provides a display component with drive-voltage-symmetrical light emission and stable characteristics of luminance level and turn-on voltage.

Abstract: A method of manufacturing a cathode-ray tube comprises a process of forming a phosphor screen. The process comprises an application process, a shake-off process, and a drying process. In the application process, a glass panel is tilted with respect to a vertical axis and is rotated having a tilt axis as a central axis to spread a phosphor slurry over almost the entire area of an inner face of the glass panel. In the shake-off process, by rotating the glass panel, excess phosphor slurry is shaken off, and the excess phosphor slurry is recovered in phosphor-slurry recovery members provided at the four corners of the glass panel. In the drying process, the phosphor slurry is dried. In this method, the tilt angle and rotation speed of the glass panel at least in one process out of the application process, the shake-off process, and the drying process is changed at least in two stages.

Abstract: A method of manufacturing a fluorescent layer having a striped or dot pattern for a display device, including the steps of installing a donor film composed of a base film, a light absorbing layer, a buffering layer and a phosphor layer being departed from a substrate by predetermined distance, and irradiating an energy source to the donor film to transfer a phosphor from the phosphor layer to the surface of the substrate and then thermally treating the transferred phosphor. In the method, defects generated by dust or foreign substances are reduced so that manufacturing yield is improved compared to the conventional method. Also, the process is simple so that productivity is enhanced and a high resolution screen is realized.

Abstract: An electroluminescent device improved in brightness is disclosed. The electroluminescent device comprising sequentially stacked layers having an optically transparent material on at least the viewing side of the structure comprises a luminescent layer based on a Group II-III-VI compound host material with an element acting as a luminescent center added therein, wherein a Group II element having an ion radius differing from that of the Group II element constituting the compound host material is further added in the luminescent layer.

Abstract: A method for forming a silica film on a face panel is disclosed. The method includes steps of preparing a first composite having a staring material of a silica-titania two component system where alcohol is added as a catalyst; preparing a second composite having a titaniumalkoxide or a derivative of the titaniumalkoxide as a catalyst; mixing the first and second composites at a predetermined ratio; agitating the face panel; and calcinating the coated colloidal solution at a temperature of 160-200.degree. C. The silica-titania two-component system is selected from a group consisting of a tetraethyl-silicate and a tetraethyl-silicate oligomer. The tetraethyl-silicate oligomer has a degree of polymerization of 40, 51 or 56.

Abstract: A black matrix material for increasing resolution and contrast of field emission displays is disclosed. The black matrix material is preferably deposited by electrophoresis in the interstitial regions between phosphor pixels of the faceplate. By this technique, high resolution and/or small surface area field emission displays may be manufactured. The black matrix material does not brown when subjected to the conditions associated with the manufacture of field emission displays, is chemically inert and remains stable under vacuum conditions and electron bombardment. The black matrix material is selected from boron carbide, silicon carbide, tungsten carbide, vanadium carbide and mixtures thereof.

Abstract: A method, apparatus and carrier for coating a CRT screen after assembly. The method and apparatus includes isolating a surface portion of the CRT to be coated from the remaining surface to prevent or minimize coating problems resulting from outgassing or difficulty in controlling coating process parameters and to isolate noncompatible components from the deposition environment.

Abstract: A color cathode ray tube is disclosed in which a coating containing an aluminum-phosphorus compound and fine particles of at least one of tungsten oxide and bismuth oxide is formed on the surface of a shadow mask on the side of an electron gun.

Abstract: A multi-stage process for preparing a phosphor product includes the stages of selecting precursors of a dopant and a host lattice as the phosphor starting materials, grinding the starting materials in an initial grinding stage for an initial grinding time period to produce an initial ground material having a smaller particle size distribution than the starting materials, firing the initial ground material in an initial firing stage at an initial firing temperature for an initial firing time period to produce an initial fired material, grinding the initial fired material in an intermediate grinding stage for an intermediate grinding time period to produce an intermediate ground material having a smaller particle size than the initial fired material, wherein the intermediate grinding time period is substantially less than the initial grinding time period, firing the intermediate ground material in an intermediate firing stage at an intermediate firing temperature for an intermediate firing time to produce an in

Abstract: A sol-gel coating of conductive materials, such as ITO, which is applied to a substrate, for example a display window of a cathode ray tube, is cured by means of a laser. This is preferably carried out in a water-containing atmosphere, for example an aqueous aerosol and/or a hydrogen-containing gas, such as a forming gas. This results in a stable resistance reduction by several hundred times.

Abstract: 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 layer (122) having excellent electro-optical performance.

Abstract: A process for manufacturing a phosphorescent screen for use in a cathode ray or field emission display, is described. The phosphor layer is applied in the form of a slurry consisting of a powdered phosphor, an ethylene glycol monobutyl ether acetate solvent, and a cellulose acetate butyrate binder. The phosphor concentration is between 30 and 60% by weight, the solvent between 5 and 52.5% and the binder between 17.5 and 35%. If the slurry composition falls within these ranges, then, once the aluminum anode layer is in place, all organic material can be removed by firing at a temperature that is less than 500.degree. C. By keeping the firing temperature below 500.degree. C., roughening of the undersurface of the aluminum is avoided and a more efficient screen is obtained. Data to illustrate this is also provided.

Abstract: A method of forming a protection layer of a plasma display panel, which has upper electrodes, lower electrodes and a barrier rib, includes the steps of: forming a dielectric layer on the upper electrodes; and forming a MgO protection layer on the dielectric layer by the method of direct coating the MgO solution on the surface of the dielectric layer. Some advantages are derived by properly mixing MgO particles, salt containing Mg, and organic binder and coating an MgO protection layer (thin film) on the surface of the PDP substrate irrespective of coating methods by simple facility and processing. These advantages include PDP MgO protection layer formation to reduce PDP production cost, time and firing voltages, and adjustment of the protection layer's thickness.

Abstract: A method of manufacturing a phosphor composition of a phosphor comprising a pigment coating of hematite, includes a first step in which the phosphor is coated with an iron-containing starting compound for hematite, and a second step, in which the phosphor with the coating is calcined, thereby converting the iron-containing starting compound for hematite into hematite. The calcining operation is carried out in an atmosphere of a gas mixture of water vapor and an oxidizing gas.

Abstract: A method for providing an adherent, continuous, conformal, non-particulate coating of a compound of a metal or metalloid on the surface of individual phosphor particles. The method involves wetting each of the individual particles with a polymer solution including a polymer in a solvent base, the polymer being capable of chelating ions of the metal or metalloid. The particles then are dried to produce a continuous coating of the polymer on each of the individual particles. The polymer-coated phosphor particles are suspended in a solution containing ions of the metal or metalloid and having a pH of at least 9 to produce chelation of the metal or metalloid ions by the polymer coating, to produce the adherent, continuous, conformal, non-particulate, metal- or metalloid-compound coating on the particle surfaces. Also described are a method for improving lumen maintenance of a lamp, a coated phosphor powder, and a phosphor-coating composition for coating an inner surface of a lamp envelope.

Abstract: Disclosed is a method for producing organic EL devices stably having intended capabilities. The method comprises cleaning an electrode-mounted substrate 17 followed by forming a plurality of film layers including organic layers and a counter electrode layer, on the electrode mounted on the substrate, successively one after another in vacuum, wherein the time just after the finish of cleaning the electrode-mounted substrate 17 and before the start of forming the first film layer on the electrode 12 is shorter than the time within which the value of the contact angle with water of the surface of the electrode 12 just after the finish of cleaning it increases by 30.degree. in vacuum. In producing organic EL devices having a plurality, n=1, 2, 3, . . .