SCREENING METHOD OF FLUORESCENT MATERIALS AND LIGHT-EMITTING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a screening method of fluorescent materials capable of obtaining a high luminous flux fluorescent material and to provide a light-emitting apparatus formed by using the fluorescent material selected by the same.SOLUTION: The screening method of fluorescent materials related to one embodiment of the present invention includes steps of: measuring emission spectra of fluorescent materials; and screening from the fluorescent materials one whose emission center of gravity wavelength λof the emission spectra is 530nm or more and 570nm or less and a full width at half maximum is 90 nm or less.