Abstract: A conductive composition includes: a) metal conductive fibers having an average minor axis length of from 1 nm to 150 nm; and b) at least one compound selected from the group consisting of a monosaccharide and a derivative thereof, in an amount of from 0.005% by mass to 0.05% by mass with respect to the metal conductive fibers.

Abstract: A conductive composition includes: a) metal conductive fibers having an average minor axis length of from 1 nm to 150 nm; and b) at least one compound selected from the group consisting of a monosaccharide and a derivative thereof, in an amount of from 0.005% by mass to 0.05% by mass with respect to the metal conductive fibers.

Abstract: An organic electroluminescence device, having a pair of electrodes, and an organic layer containing multiple light emitting layers provided between a pair of electrodes, wherein at least one of the multiple light emitting layers is formed by coating a liquid containing ingredients to constitute the layer in a state of solution or dispersion in an organic solvent through the use of a spraying method.

Abstract: An organic electroluminescence device, having a pair of electrodes, and an organic layer containing multiple light emitting layers provided between a pair of electrodes, wherein at least one of the multiple light emitting layers is formed by coating a liquid containing ingredients to constitute the layer in a state of solution or dispersion in an organic solvent through the use of a spraying method.

Abstract: An Eu-containing inorganic compound has a polycrystal structure, in which Eu has been doped into a matrix garnet type compound and has formed a solid solution in the matrix garnet type compound. A doping concentration of Eu occupying at an eight-coordination site of the garnet structure falls within the range of more than 0.5 mol % to 50.0 mol %, inclusive. The doping concentration of Eu occupying at the eight-coordination site of the garnet structure should preferably fall within the range of 5.0 mol % to 30.0 mol %.

Abstract: A Pr-doped inorganic compound contains a solid solution having been formed by substitution of at least a part of at least one kind of substitutable ions, which are contained at a substitutable ion site in a matrix oxide, by Pr. The Pr-doped inorganic compound satisfies the condition represented by the formula: 0.91r2?r1?1.05r2 wherein r1 represents the mean ionic radius of ionic radiuses of all of elements, including Pr, which elements constitute the substitutable ion site having been doped with Pr, and r2 represents the ionic radius of Pr.

Abstract: After synthesizing particles by liquid phase synthesis, the solution is substituted without drying these particles, and here, a solution comprising a grain boundary phase composition consisting of at least one or more types selected from a group consisting of Al2O3, yttrium oxide, silicon oxide, yttrium-silicon complex oxide, aluminum-silicon complex oxide, and a compound having a garnet structure with a lower melting point than the aforementioned particles, or a solution comprising a precipitate is introduced. Microparticles are adjusted by allowing adhesion and growth of the solution comprising a composition of grain boundary phase or the solution comprising a precipitate on the surface of the particles; these microparticles are allowed to align in 3-dimensions in solution and are formed into a molded body, and this molded body is sintered.

Abstract: A Bi12XO20 powder, wherein X represents at least one kind of element selected from the group consisting of Si, Ge, and Ti, is produced by a process comprising: a step (A) of preparing a solution containing the Bi element and a solution containing the X element, a step (B) of adding the two kinds of the solutions to a mother liquor having been previously fed into a reaction chamber, a mixed liquid being thereby prepared, and a step (C) of raising a temperature of the mixed liquid from the temperature, at which the addition is begun. In the step (B), the addition of the two kinds of the solutions is performed such that the substance quantities of the Bi element and the X element in the mixed liquid increase in parallel from the time at which the addition is begun.

Abstract: A Bi12XO20 powder, wherein X represents at least one kind of element selected from the group consisting of Si, Ge, and Ti, is produced by a process comprising: a step (A) of preparing a solution containing the Bi element and a solution containing the X element, a step (B) of feeding the solution containing the Bi element and the solution containing the X element into a mixing section, and preparing a mixed liquid in the mixing section, a step (C) of discharging the mixed liquid from the mixing section, and a step (D) of feeding the mixed liquid, which has been discharged from the mixing section, into a reaction section located at the exterior of the mixing section, and allowing the mixed liquid to undergo reaction in the reaction section. The steps (B) and (C) are performed in parallel.

Abstract: Providing a particle distributed electroluminescent device which is improved in luminescent color control, prevention of luminescent color change over time and heavy circuit load, and/or representation of a delicate gradation sequence, as well as capable of providing high brightness and luminous efficiency, and a display unit using such an electroluminescence device. Two types of luminescent particles, each having a dielectric core and a fluorescent coating layer are used as luminescent particles distributed in a luminescent layer of a particle distributed electroluminescence device. The dielectric cores of the two types of luminescent particles are formed of dielectric materials having different dielectric constants with each other.

Abstract: After synthesizing particles by liquid phase synthesis, the solution is substituted without drying these particles, and here, a solution comprising a grain boundary phase composition consisting of at least one or more types selected from a group consisting of Al2O3, yttrium oxide, silicon oxide, yttrium-silicon complex oxide, aluminum-silicon complex oxide, and a compound having a garnet structure with a lower melting point than the aforementioned particles, or a solution comprising a precipitate is introduced. Microparticles are adjusted by allowing adhesion and growth of the solution comprising a composition of grain boundary phase or the solution comprising a precipitate on the surface of the particles; these microparticles are allowed to align in 3-dimensions in solution and are formed into a molded body, and this molded body is sintered.

Abstract: A garnet-type compound is represented by general formula A3B2C3O12 wherein A, B, C respectively represent one or more elements forming an A site, one or more elements forming a B site and one or more elements forming a C site, and O represents an oxygen atom. The following formulae (1) and (2) are satisfied. 0.50?rB/rA?0.86 ??(1) 11.70?a?13.02 ??(2) wherein rA represents an average ionic radius of one or more elements which forms the A site, rB represents an average ionic radius of one or more elements which forms the B site, and a represents a lattice constant.

Abstract: A Tb-doped luminescent compound contains Tb and at least two kinds of metal elements other than Tb, and emits light by irradiation with excitation light. In the Tb-doped luminescent compound, the concentration of Tb with respect to the total number of moles of all of the metal elements including Tb is within the range of more than 3.75 mol % to 20.625 mol % inclusive.

Abstract: Fused solid of an europium halide containing a less amount of europium oxyhalide impurities is prepared by a process in which a starting europium halide is heated to fuse in the presence of a halogen source and then cooled to give the fused solid.

Abstract: A Pr-doped inorganic compound contains a solid solution having been formed by substitution of at least a part of at least one kind of substitutable ions, which are contained at a substitutable ion site in a matrix oxide, by Pr. The Pr-doped inorganic compound satisfies the condition represented by the formula: 0.91r2?r1?1.05r2 wherein r1 represents the mean ionic radius of ionic radiuses of all of elements, including Pr, which elements constitute the substitutable ion site having been doped with Pr, and r2 represents the ionic radius of Pr.

Abstract: An electroluminescent display device is formed by superposing a support member, a first electrode layer, a light-emitting layer, a second electrode layer which transmits light and a color conversion filter layer in this order. The light-emitting layer is formed by dispersing electroluminescent light-emitting particles which emit a predetermined color of light in a dielectric binder. The color conversion filter layer includes color conversion portions and/or transparent portions which transmit light. The first electrode layer and the second electrode layer form an X-Y matrix electrode. Further, the EL light-emitting layer is uniformly formed over the entire area of the electroluminescent display device.

Abstract: A device for reproducing a radiation image is composed of a radiation-absorbing phosphor layer containing a phosphor which absorbs a radiation and then emits a light, a stimulable phosphor layer containing a stimulable phosphor which absorbs the light and stores energy of the light which is releasable in the form of light emission by stimulation with electric field, an electrode layer placed on each surface of the stimulable phosphor layer in which at least one electrode layer is a light-transmitting electrode, and a light-detecting layer which is arranged on the light-transmitting electrode.

Abstract: Providing a particle distributed electroluminescent device which is improved in luminescent color control, prevention of luminescent color change over time and heavy circuit load, and/or representation of a delicate gradation sequence, as well as capable of providing high brightness and luminous efficiency, and a display unit using such an electroluminescence device. Two types of luminescent particles, each having a dielectric core and a fluorescent coating layer are used as luminescent particles distributed in a luminescent layer of a particle distributed electroluminescence device. The dielectric cores of the two types of luminescent particles are formed of dielectric materials having different dielectric constants with each other.

Abstract: An electroluminescent cell of dispersion type-like construction includes a pair of electrodes and an electroluminescent layer arranged between the electrodes. A plurality of electroluminescent particles, including a dielectric core and a phosphor-covering layer formed on the outside of said dielectric core, are dispersed in a dielectric binder of the electroluminescent layer. When a voltage is applied across the electroluminescent cell, an average electric-field intensity applied to the phosphor-covering layers of the electroluminescent particles is 1.5 or more times an average electric-field intensity applied to the entire electroluminescent layer.

Abstract: An AC-driven electroluminescent element includes a pair of electrodes and a light emission layer being located between the pair of electrodes and containing particles and a filler with which gaps between the particles are filled. The particles are densely arranged in the light emission layer in such a manner that the particles are fused with each other or in mechanical or electrical contact with each other, and the ratio of the volume occupied by the particles to the volume occupied by the filler in the light emission layer is 1.0 or greater. Each particle has a portion made of a fluorescent material. When the outermost surfaces of all of the particles are not made of a dielectric material, at least one insulation layer is arranged on at least one side of the light emission layer.