Abstract: Provided is a phosphor that includes a crystal phase represented by the following Formula [1] and has a microstrain of 0.049% or less as calculated by the Halder-Wagner method: EuaSibAlcOdNe [1] (wherein, a, b, c, d, and e represent values satisfying the following respective ranges: 0<a?0.2, 5.6<b?5.994, 0.006?c<0.4, b+c=6, 0.006?d<0.4, and 7.6<e?7.994).

Abstract: Provided is a phosphor that includes a crystal phase represented by the following Formula [1] and has a microstrain of 0.049% or less as calculated by the Halder-Wagner method: EuaSibAlcOdNe [1] (wherein, a, b, c, d, and e represent values satisfying the following respective ranges: 0<a?0.2, 5.6<b?5.994, 0.006?c<0.4, b+c=6, 0.006?d<0.4, and 7.6<e?7.994).

Abstract: The present invention related to a nitride phosphor represented by the following general formula (1), the nitride phosphor having an x value of less than 0.43 in luminescent color coordinates (x, y) upon being excited with excitation light of 455 nm, and a reflectance Ra of 89% or more at 770 nm; LnxSiyNn:Z??(1), wherein Ln is a rare-earth element excluding the element used as an activator, Z is an activator, x satisfies 2.7?x?3.3, y satisfies 5.4?y?6.6, and n satisfies 10?n?12.

Abstract: The present invention related to a nitride phosphor represented by the following general formula (1), the nitride phosphor having an x value of less than 0.43 in luminescent color coordinates (x, y) upon being excited with excitation light of 455 nm, and a reflectance Ra of 89% or more at 770 nm; LnxSiyNn:Z??(1), wherein Ln is a rare-earth element excluding the element used as an activator, Z is an activator, x satisfies 2.7?x?3.3, y satisfies 5.4?y?6.6, and n satisfies 10?n?12.

Abstract: Problem to be solved is to provide a nitride phosphor having enhanced luminance, internal quantum efficiency and external quantum efficiency compared to those of conventional nitride phosphors. The nitride phosphor is represented by the general formula (1) shown below and it is characterized in that the infrared spectroscopy measured by the diffuse reflection method at the measurement intervals of 2 cm?1 or lower, satisfies predetermined conditions: LnxSiyNn:Z??(1) (In the general formula (1), Ln represents rare earth element excluding the element to be used as an activator, Z represents an activator, x satisfies the condition of 2.7?x?3.3, y satisfies the condition of 5.4?y?6.6, and n satisfies the condition of 10?n?12.