Abstract: A phosphor and a light emitting device are provided. The phosphor comprises a composition having a formula of AaSi5OtNn:EuZ. A is selected from the group consisting of Be, Mg, Ca, Sr and Ba. 1.7<a<2.5. 0?t<1, 7<n<9. 0.001<z<0.3. The phosphor has Mo of 10 ppm-500 ppm.

Abstract: A phosphor and a luminescent device are provided. The phosphor includes a composition represented by following formula (I): CapSrqMm—Aa—Bb—Ot—Nn:Eur??(I) in the formula (I), M is selected from the group consisting of Mg and Ba; A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd and Lu, and A includes at least Al; B is selected from the group consisting of Si, Ge, Sn, Ti, Zr and Hf, and B includes at least Si; O represents oxygen; N represents nitrogen; 0<p<1, 0<q<1, 0?m<1, 0?t?0.3, 0.00001?r?0.1, a=1, 0.8?b?1.2, and 2.6?n?3.1. The phosphor also contains 10-500 ppm of molybdenum (Mo). Moreover, the luminescent device includes the phosphor containing the composition represented by the formula (I).

Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Tb, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 2.42?(m*z+1?z)*3?2.60 and 0.4?(1?m)*z*3?0.58.

Abstract: A fluorescent material and a light emitting device using the same are provided. The fluorescent material has a general formula of ((LumA1-m)zCe1-z)3Q5O12, wherein 0<m<1 and 0<z<1. A includes at least one of element Y, element La, and element Gd. Q includes at least one of element Al, element Ga, and element In. 1.74?(m*z+1?z)*3?3.0 and 0.1?(1?m)*z*3?1.35.

Abstract: A phosphor and a manufacturing method thereof, and the light emitting device using the same are provided, wherein the composition formula of the phosphor is Ii-Mm-Aa-Bb—Ot—Nn:Zr, wherein I is selected from the group consisting of Li, Na, and K, M is selected from the group consisting of Ca, Sr, Mg, Ba, Be, and Zn, A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd, and Lu, B is selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hr, and Z is selected from the group consisting of Eu and Ce; m+r=1, 0<i<0.25, 0<a<1, 0<b<2, 1.15<b/a<1.4, 0?t?0.7, 2.1?n?14.4, and 0.001?r?0.095.

Abstract: A phosphor and a manufacturing method thereof, and the light emitting device using the same are provided, wherein the composition formula of the phosphor is Ii-Mm-Aa-Bb—Ot—Nn:Zr, wherein I is selected from the group consisting of Li, Na, and K, M is selected from the group consisting of Ca, Sr, Mg, Ba, Be, and Zn, A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd, and Lu, B is selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hr, and Z is selected from the group consisting of Eu and Ce; m+r=1, 0<i<0.25, 0<a<1, 0<b<2, 1.15<b/a<1.4, 0?t?0.7, 2.1?n?4.4, and 0.001?r?0.095.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Eur, wherein M selected from the group consisting of beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from a group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; 0<p<1; 0<q<1; 0?m?1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1; and the phosphor contains 20˜1500 ppm of magnesium and/or 40˜5000 ppm of barium. A high brightness phosphor emitting in the 600˜680 nm region is achieved by means of adjusting the proportion of each of the elements of the phosphor, and in combination with controlling concentration of the magnesium and barium of the phosphor within a specific range. In addition, the present invention provides a light emitting device provided with high brilliance.

Abstract: A fluorescent substance includes zinc with a concentration not larger than 400 ppm, and a composition represented by the following formula (I): Ln3(AlxGa1-x)5O12:Cey??(I) wherein 0.4?x?0.97 and 0.038?y?0.048, Ln being composed of yttrium, or yttrium and at least one element selected from scandium, lanthanum, gadolinium, samarium, lutetium, and terbium. An emission spectrum of the fluorescent substance as it is excited by light has a dominant wavelength ranging from 500 nm to 550 nm.

Abstract: A phosphor and a manufacturing method thereof, and the light emitting device using the same are provided, wherein the composition formula of the phosphor is Ii-Mm-Aa-Bb—Ot—Nn:Zr, wherein I is selected from the group consisting of Li, Na, and K, M is selected from the group consisting of Ca, Sr, Mg, Ba, Be, and Zn, A is selected from the group consisting of Al, Ga, In, Sc, Y, La, Gd, and Lu, B is selected from the group consisting of Si, Ge, Sn, Ti, Zr, and Hr, and Z is selected from the group consisting of Eu and Ce; m+r=1, 0<i<0.25, 0<a<1, 0<b<2, 1.15<b/a<1.4, 0?t?0.7, 2.1?n?4.4, and 0.001?r?0.095.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Zr in which M selected from the group of magnesium, barium, beryllium and zinc; A selected from the group of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from the group of silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from the group of europium and cerium; 0<p<1; 0<q<1; 0?m<1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1. Moreover, the normalized dissolved content of strontium of the phosphor is 1˜20 ppm, thereby obtaining a high brilliance phosphor in the 600˜680 nm region. In addition, the present invention at the same time provides a high brilliance light emitting device.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-Aa-Bb—Ot—Nn:Zr, in which M selected from the group consisting of magnesium, barium, beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; Z selected from the group consisting of europium and cerium; 0?p?1; 0?q<1; 0?m<1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1. Moreover, the normalized dissolved content of calcium of the phosphor is 1˜25 ppm, thereby obtaining a phosphor of high brilliance in the 600˜680 nm region. In addition, the present invention at the same time provides a high brilliance light emitting device.

Abstract: A method of providing a phosphor with a precisely controlled element composition, a phosphor provided by the same, and a red phosphor represented by the [formula 1] are disclosed, in which CaaSrbAlcSidOeNf:Eug??[formula 1] wherein 0?a<1, 0?b<1, c=1, 0.8?d?1.2, 0?e?0.5, 2.5?f?3.1, 0.002?g?0.020, a and b are not both 0 at the same time; and a CIE1931 chromaticity coordinates (x, y) of a light emitted from the phosphor, which is excited by a wavelength of 455 nm, satisfies the formulae: x=[(?0.1059b3+0.068b2?0.06b)+(2152.8g3?309.2g2+8.2943g)+0.6324]±0.01; y=[(?0.1295b3?0.0968b20.0702b)+(?3299.2g3311.08g2?7.9266g)+0.3621]±0.01. The present invention also provides a light emitting device comprising the said red phosphor.

Abstract: The present invention provides a phosphor, including a constituent having the formula CapSrqMm-AaBb-Ot-Nn:Eur, wherein M selected from the group consisting of beryllium and zinc; A selected from the group consisting of aluminum, gallium, indium, scandium, yttrium, lanthanum, gadolinium and lutetium; B selected from a group consisting of silicon, germanium, tin, titanium, zirconium and hafnium; 0<p<1; 0<q<1; 0?m?1; 0?t?0.3; 0.00001?r?0.1; a=1, 0.8?b?1.2; and 2.7?n?3.1; and the phosphor contains 20˜1500 ppm of magnesium and/or 40˜5000 ppm of barium. A high brightness phosphor emitting in the 600˜680 nm region is achieved by means of adjusting the proportion of each of the elements of the phosphor, and in combination with controlling concentration of the magnesium and barium of the phosphor within a specific range. In addition, the present invention provides a light emitting device provided with high brilliance.

Abstract: A fluorescent substance includes zinc with a concentration not larger than 400 ppm, and a composition represented by the following formula (I): Ln3(AlxGa1-x)5O12:Cey??(I) wherein 0.4?x?0.97 and 0.038?y?0.048, Ln being composed of yttrium, or yttrium and at least one element selected from scandium, lanthanum, gadolinium, samarium, lutetium, and terbium. An emission spectrum of the fluorescent substance as it is excited by light has a dominant wavelength ranging from 500 nm to 550 nm.