Abstract: Provided are an oxynitride phosphor comprising a JEM crystal as a main component and being characterized by light-emitting properties (light emission color or excitation property, light emission spectrum) that is different from the known JEM phosphor, and an application thereof. The phosphor of the present invention comprises the JEM crystal activated with Eu and represented by MAl(Si, Al)6(O, N)10 (where the M element is one or more elements selected from the group consisting of Ca, Sr, Eu, La, Sc, Y, and lanthanoid elements; and includes at least Eu as well as Ca and/or Sr).

Abstract: A phosphor having different light emission characteristics from the conventional phosphor, having high emission intensity and chemical and thermal stability, combined with LED of less than 450 nm. This phosphor includes an inorganic compound comprising: a crystal represented by Ba1Si4Al3N9, an inorganic crystal having the same crystal structure as Ba1Si4Al3N9 crystal, or a solid solution crystal thereof, comprising A element, D element, E element, and X element (A is one or more elements selected from Li, Mg, Ca, Sr, Ba, and La; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more elements selected from B, Al, Ga, In, Sc, and Y; X is one or more elements selected from O, N, and F), into which M element is solid-solved (M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb).

Abstract: Provided is fluorophore comprising: inorganic compound having: an inorganic crystal, where M element (M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid solved, having the same crystal structure as the crystal represented by Ca2Si5O3N6 (including Ca2Si5O3N6 crystal or a solid solution thereof where one or more elements selected from Mg, Sr, Ba, Ge, Sn, Ti, Zr, Hf, B, Al, Ga, In, Sc, Y, La, and F are solid solved) and comprising: A element, D element, X element, and, if necessary, E element (A is one or more elements selected from Mg, Ca, Sr, and Ba; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more elements selected from B, Al, Ga, In, Sc, Y, and La; and X is one or more elements selected from O, N, and F).

Abstract: Provided is a chemically and thermally stable phosphor having different light-emitting characteristics than a conventional phosphor and having high light-emitting intensity even when combined with an LED of 410 nm or lower. The phosphor comprises an inorganic compound in which an inorganic crystal including A element, D element, X element (A is one or more elements selected from Mg, Ca, Sr, and Ba; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; and X is one or more elements selected from O, N, and F), and, if necessary, E element (where E is one or more elements selected from B, Al, Ga, In, Sc, Y, and La) includes Li element and M element (where M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb).

Abstract: Provided are an oxynitride phosphor comprising a JEM crystal as a main component and being characterized by light-emitting properties (light emission color or excitation property, light emission spectrum) that is different from the known JEM phosphor, and an application thereof. The phosphor of the present invention comprises the JEM crystal activated with Eu and represented by MAl(Si, Al)6(O, N)10 (where the M element is one or more elements selected from the group consisting of Ca, Sr, Eu, La, Sc, Y, and lanthanoid elements; and includes at least Eu as well as Ca and/or Sr).

Abstract: To provide a phosphor being chemically-thermally stable and having high luminous intensity if combined with LED of not exceeding 470 nm. A phosphor of the present invention includes: inorganic compound including: a crystal represented by Li1Ba2Al1Si7N12; a crystal represented by (Li, A)3(D, E)8X12; and an inorganic crystal having the same crystal structure as the crystal represented by Li1Ba2Al1Si7N12; and a solid-solution crystal thereof, which contains Li, A, D, E, and X elements (A represents at least one selected from Mg, Ca, Sr, Ba, Sc, Y and La; D represents at least one selected from Si, Ge, Sn, Ti, Zr and Hf; E represents at least one selected from B, Al, Ga and In; and X represents at least one selected from O, N and F), wherein M element (M represents at least one selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Yb) is solid-solved into each.

Abstract: Provided is chemically and thermally stable phosphor having light-emitting characteristics different from the conventional phosphor and high emission intensity when combined with LED of not exceeding 470 nm. The phosphor comprises inorganic compound having crystal represented by A2(D,E)5X9; crystal represented by Ca2Si5O3N6; or inorganic crystal having the same crystal structure as crystal represented by Ca2Si5O3N6, which includes A, D, E, and X elements (A is one or more kinds selected from Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La; and X is one or more kinds selected from O, N, and F), in which M element (M is one or more kinds of elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid-solved.

Abstract: A phosphor having different light emission characteristics from the conventional phosphor, having high emission intensity and chemical and thermal stability, combined with LED of less than 450 nm. This phosphor includes an inorganic compound comprising: a crystal represented by Ba1Si4Al3N9, an inorganic crystal having the same crystal structure as Ba1Si4Al3N9 crystal, or a solid solution crystal thereof, comprising A element, D element, E element, and X element (A is one or more elements selected from Li, Mg, Ca, Sr, Ba, and La; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more elements selected from B, Al, Ga, In, Sc, and Y; X is one or more elements selected from O, N, and F), into which M element is solid-solved (M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb).

Abstract: Provided is a chemically and thermally stable phosphor having different light-emitting characteristics than a conventional phosphor and having high light-emitting intensity even when combined with an LED of 410 nm or lower. The phosphor comprises an inorganic compound in which an inorganic crystal including A element, D element, X element (A is one or more elements selected from Mg, Ca, Sr, and Ba; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; and X is one or more elements selected from O, N, and F), and, if necessary, E element (where E is one or more elements selected from B, Al, Ga, In, Sc, Y, and La) includes Li element and M element (where M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb).

Abstract: Provided is chemically and thermally stable phosphor having light-emitting characteristics different from the conventional phosphor and high emission intensity when combined with LED of not exceeding 470 nm. The phosphor comprises inorganic compound having crystal represented by A2(D,E)5X9; crystal represented by Ca2Si5O3N6; or inorganic crystal having the same crystal structure as crystal represented by Ca2Si5O3N6, which includes A, D, E, and X elements (A is one or more kinds selected from Mg, Ca, Sr, and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more kinds selected from B, Al, Ga, In, Sc, Y, and La; and X is one or more kinds selected from O, N, and F), in which M element (M is one or more kinds of elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid-solved.

Abstract: Provided is fluorophore comprising: inorganic compound having: an inorganic crystal, where M element (M is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is solid solved, having the same crystal structure as the crystal represented by Ca2Si5O3N6 (including Ca2Si5O3N6 crystal or a solid solution thereof where one or more elements selected from Mg, Sr, Ba, Ge, Sn, Ti, Zr, Hf, B, Al, Ga, In, Sc, Y, La, and F are solid solved) and comprising: A element, D element, X element, and, if necessary, E element (A is one or more elements selected from Mg, Ca, Sr, and Ba; D is one or more elements selected from Si, Ge, Sn, Ti, Zr, and Hf; E is one or more elements selected from B, Al, Ga, In, Sc, Y, and La; and X is one or more elements selected from O, N, and F).

Abstract: To provide a phosphor being chemically-thermally stable and having high luminous intensity if combined with LED of not exceeding 470 nm. A phosphor of the present invention includes: inorganic compound including: a crystal represented by Li1Ba2Al1Si7N12; a crystal represented by (Li, A)3(D, E)8X12; and an inorganic crystal having the same crystal structure as the crystal represented by Li1Ba2Al1Si7N12; and a solid-solution crystal thereof, which contains Li, A, D, E, and X elements (A represents at least one selected from Mg, Ca, Sr, Ba, Sc, Y and La; D represents at least one selected from Si, Ge, Sn, Ti, Zr and Hf; E represents at least one selected from B, Al, Ga and In; and X represents at least one selected from O, N and F), wherein M element (M represents at least one selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy and Yb) is solid-solved into each.