To provide {TAIL ~ a phosphor} having an emission spectrum with a broad peak in a range from yellow color to red color and an excellent excitation band on the longer wavelength side from near ultraviolet/ultraviolet of excitation light to visible light , and having {HEAD ~ an improved emission intensity} 
To provide { TAIL ~ a phosphor } having an emission spectrum with a broad peak in a range from yellow color to red color and an excellent excitation band on the longer wavelength side from near ultraviolet / ultraviolet of excitation light to visible light , and having { HEAD ~ an improved emission intensity }
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