Electroluminescent fluorescent substance
AssigneeFUJIFILM Corporation
InventorSeiji Yamashita
Life of this patent
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Abstract
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle diameter of 35% or less, and having at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, the particles containing copper 1×10−4 to 1×10−2 mol/mol and gold 1×10−6 to 5×10−4 mol/mol, to the particles; a sheet-shaped electroluminescence device, which has the electroluminescent fluorescent substance; and an electroluminescence device system; which utilizes the sheet-shaped electroluminescence device.
Claims15
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle of 35% or less, and wherein at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, said particles containing copper in the concentration of 1×10−4 to 1×10−2 mol/mol and gold in the concentration of 1×10−6 to 5×10−4 mol/mol, to the particles.
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle diameter of 35% or less, and wherein at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, said particles containing copper in the concentration of 1×10−4 to 1×10−2 mol/mol and cesium in the concentration of 1×10−6 to 5×10−4 mol/mol, to the particles.
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle diameter of 35% or less, and wherein at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, said particles containing copper in the concentration of 1×10−4 to 1×10−2 mol/mol and at least one material selected from the group consisting of bismuth and antimony in a concentration of 1×10−6 to 5×10−4 mol/mol, to the particles.
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle diameter of 35% or less, and having at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, said particles containing copper in the concentration of 1×10−4 to 1×10−2 mol/mol and aluminum in the concentration of 3×10−5 to 2×10−2 mol/mol, to the particles.
An electroluminescent fluorescent substance, which is composed of electroluminescent fluorescent particles having an average particle diameter of 0.5 μm to 20 μm and a variation coefficient of particle diameter of 35% or less, and having at least 50% have stacking faults arranged in 10 layers or more at intervals of 5 nm or less, said particles containing copper in the concentration of 1×10−4 to 1×10−2 mol/mol and platinum in the concentration of 3×10−6 to 2×10−4 mol/mol, to the particles.
Dependencies are inferred from the claim text.