文件类型:PDF文档
文件大小:3921K
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.