To provide a green
phosphor with high conversion efficiency of blue of near-
ultraviolet light and excellent
color purity, a multinary oxynitride
phosphor represented by the general formula [I] is proposed. <?in-line-formulae description="In-line Formulae" end="lead"?>M1xBayM2zLuOvNw [I]<?in-line-formulae description="In-line Formulae" end="
tail"?> In the formula [I], M1 represents Cr, Mn, Fe, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb, M2 represents Sr, Ca, Mg and Zn, L represents
metal elements belonging to the fourth group or the fourteenth group of the
periodic table, and x, y, z, u, v and w are the numeric values in the following ranges: <?in-line-formulae description="In-line Formulae" end="lead"?>0.00001<=x<=3<?in-line-formulae description="In-line Formulae" end="
tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>0<=y<=2.99999<?in-line-formulae description="In-line Formulae" end="
tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>2.6<=x+y+z<=3<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>0<u<=11<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>6<v<=25<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>0<w<=17.<?in-line-formulae description="In-line Formulae" end="tail"?>