| 简介 |
The purpose of the present invention is to provide a nitride phosphor with higher-than-conventional brightness, internal quantum efficiency, and external quantum efficiency. This nitride phosphor is represented by general formula (1) below, and is characterized in that the infrared absorption spectrum, measured by the diffuse reflection method with at least a 2cm-1 or lower measurement interval, satisfies prescribed conditions. LnxSiyNn : Z (1) (In general formula (1), Ln is a rare earth element excluding elements used as activators, Z is an activator, x satisfies 2.7 ≦ x ≦ 3.3, y satisfies 5.4 ≦ y ≦ 6.6, and n satisfies 10 ≦ n ≦ 12.) |
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