Abstract: The present invention discloses a nitrogen-containing luminescent particle, characterized in that a structure of the nitrogen-containing luminescent particle is divided into an oxygen poor zone, a transition zone, and an oxygen rich zone from a core to an outer surface of the particle depending on an increasing oxygen content, the oxygen poor zone being predominantly a nitride luminescent crystal or oxygen-containing solid solution thereof, the transition zone being predominantly a nitroxide material, the oxygen rich zone being predominantly an oxide material or oxynitride material; the nitride luminescent crystal or oxygen-containing solid solution thereof has a chemical formula of Mm-m1Aa1Bb1Oo1Nn1:Rm1, the nitroxide material has a chemical formula of Mm-m2Aa2Bb2Oo2Nn2:Rm2, the oxide material or oxynitride material has a chemical formula of Mm-m3Aa3Bb3Oo3Nn3:Rm3.

Abstract: The present invention discloses a nitroxide fluorescent powder comprising an inorganic compound containing M, A, B, O, N, and R elements; in which the M element is at least one of Ca, Sr, Ba, Mg, Li, Na, and K, the A element is at least one of B, Al, Ga, and In, the B element is at least one of C, Si, Ge, and Sn, the R element is at least one of Ce, Eu, Lu, Dy, Gd, and Ho, characterized in that the inorganic compound forms a crystal in a crystalline phase, and the oxygen atom content in the crystal in a crystalline phase is in an increasing structural distribution from a core to surface of the crystal. The nitroxide fluorescent powder and the nitroxide illuminant of the present invention have the advantages of good chemical stability, good aging and light decay resistance, and high luminescent efficiency, and are useful for various luminescent devices. The preparation method of the present invention is easy and reliable and useful for industrial mass production.

Abstract: The present invention discloses a nitroxide fluorescent powder comprising an inorganic compound containing M, A, B, O, N, and R elements; in which the M element is at least one of Ca, Sr, Ba, Mg, Li, Na, and K, the A element is at least one of B, Al, Ga, and In, the B element is at least one of C, Si, Ge, and Sn, the R element is at least one of Ce, Eu, Lu, Dy, Gd, and Ho, characterized in that the inorganic compound forms a crystal in a crystalline phase, and the oxygen atom content in the crystal in a crystalline phase is in an increasing structural distribution from a core to surface of the crystal. The nitroxide fluorescent powder and the nitroxide illuminant of the present invention have the advantages of good chemical stability, good aging and light decay resistance, and high luminescent efficiency, and are useful for various luminescent devices. The preparation method of the present invention is easy and reliable and useful for industrial mass production.

Abstract: The present invention discloses a nitrogen-containing luminescent particle, characterized in that a structure of the nitrogen-containing luminescent particle is divided into an oxygen poor zone, a transition zone, and an oxygen rich zone from a core to an outer surface of the particle depending on an increasing oxygen content, the oxygen poor zone being predominantly a nitride luminescent crystal or oxygen-containing solid solution thereof, the transition zone being predominantly a nitroxide material, the oxygen rich zone being predominantly an oxide material or oxynitride material; the nitride luminescent crystal or oxygen-containing solid solution thereof has a chemical formula of Mm-m1Aa1Bb1Oo1Nn1:Rm1, the nitroxide material has a chemical formula of Mm-m2Aa2Bb2Oo2Nn2:Rm2, the oxide material or oxynitride material has a chemical formula of Mm-m3Aa3Bb3Oo3Nn3:Rm3.

Abstract: A white-light LED red phosphor and method of manufacturing the same are provided. The luminescent materials are represented by the general formula: Ca1-y-m-e-rYyMmXx-pPpZzNn:Eue, Rf, wherein M is at least one selected from Sr, Ba, Sc, Li, Na and K; X is at least one selected from B, Al and Ga, and Al must be contained; Z is at least one selected from Si, V and Nb, and Si must be contained; R is at least one selected from Dy, Er, Tm and Lu, and Dy must be contained; 0.001?y?0.2, 0.001?m?0.2, 0.5?x?1.5, 0.5?z?1.5, 0.001?p?0.1, 2?n?4, 0.001?e?0.2 and 0.001?r?0.1. The phosphor according to the present invention has features such as good chemical stability, high luminous efficiency, and good anti-luminous attenuation performance, etc.

Abstract: A white-light LED red phosphor and method of manufacturing the same are provided. The luminescent materials are represented by the general formula: Ca1-y-m-e-rYyMmXx-pPpZzNn:Eue, Rf, wherein M is at least one selected from Sr, Ba, Sc, Li, Na and K; X is at least one selected from B, Al and Ga, and Al must be contained; Z is at least one selected from Si, V and Nb, and Si must be contained; R is at least one selected from Dy, Er, Tm and Lu, and Dy must be contained; 0.001?y?0.2, 0.001?m?0.2, 0.5?x,z?1.5, 0.001?p?0.1, 2?n?4, 0.001?e?0.2 and 0.001?r?0.1. The phosphor according to the present invention has features such as good chemical stability, high luminous efficiency, and good anti-luminous attenuation performance, etc.