Phosphor and device using the same
AssigneeHitachi, Ltd.
InventorsShinya Fukuta, Toshiaki Onimaru, Tomonari Misawa, Hironori Sakata
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Abstract
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi.
Claims10
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being a blue phosphor further comprising Eu2+.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−xTbx)(Mg1−aMna)(Al11−cVc)O19, wherein x is from 0 to 0.5, a is from 0 to 0.1, and c is from 0.0001 to 0.01.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−x−yTbxYby)(Mg1−aMna)Al11O19, wherein x is from 0 to 0.5, y is from 0.0001 to 0.1, and ais from 0 to 0.1.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−x−yTbxSry)(Mg1−a−b−yMnaZnb)(Al11−c+yVc) O19, wherein x is from 0 to 0.5, y is from 0 to 0.1, a is from 0 to 0.1, b is from 0 to 0.1, and c is from 0.0001 to 0.01.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−x−y−zTbxYbyGdz)(Mg1−aMna)Al11O19, wherein x is from 0 to 0.5, y is from 0.0001 to 0.1, z is from 0.00001 to 0.1, and a is from 0 to 0.1.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−x−y−zTbxYbyGdz)(Mg1−a−bMnaTib)Al11O19, wherein x is from 0 to 0.5, y is from 0.0001 to 0.1, z is from 0.00001 to 0.1, a is from 0 to 0.1, and b is from 0.00001 to 0.03.
A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi, the phosphor being shown by the formula (La1−x−yEuxTmy)Mg1−xAl11+xO19, wherein x is from 0.001 to 0.15 and y is from 0.0001 to 0.1.
A phosphor having a magnetoplumbite-type crystal structure and showing by the formula (La1−x−y−zTbxYbyLnz)(Mg1−a−bMaM′b)Al11O19+d, wherein x is from 0 to 0.5, y is from 0.0001 to 0.1, z is from 0.00001 to 0.1, a is from 0 to 0.1, b is from 0.00001 to 0.03, d is from —1 to 1, Ln is a rare-earth element or an element that can form a cation with an ionic radius of 1 to 1.4 angstroms, and M and M′ are each an element that can form a cation with an ionic radius of 0.7 to 1 angstrom, which is typified by a 3d transition metal.
Dependencies are inferred from the claim text.