Fine fluorescent particles, process for producing fine fluorescent particles, thin fluorescent film, wavelength conversion film, wavelength conversion device, and solar cell
AssigneeNGK Insulators, Ltd.
InventorTatsuya HISHIKI
Life of this patent
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Abstract
A luminescent substance particle including BaSnO3 having a perovskite-type structure, wherein the luminescent substance particle contains one of 0.07% by mass or less of Fe (iron), 0.005% by mass or less of Cr (chromium) and 0.02% by mass or less of Ni (nickel). A wavelength conversion film including the luminescent substance particle for converting a light in an ultraviolet region to a light in an infrared region. A wavelength conversion device including a substrate and the wavelength conversion film formed on the substrate.
Claims15
A luminescent substance particle comprising BaSnO3 having a perovskite-type structure, wherein the luminescent substance particle contains Fe (iron), a content of Fe being 0.07% by mass or less.
A luminescent substance particle comprising BaSnO3 having a perovskite-type structure, wherein the luminescent substance particle contains Cr (chromium), a content of Cr being 0.005% by mass or less.
A luminescent substance particle comprising BaSnO3 having a perovskite-type structure, wherein the luminescent substance particle contains Ni (nickel), a content of Ni being 0.02% by mass or less.
Dependencies are inferred from the claim text.