| 简介 |
An oxynitride phosphor exhibiting a luminance higher than that of conventional sialon phosphor activated by rare earth. There is provided an oxynitride phosphor of material design composed mainly of a JEM phase of the general formula MAl(Si6-zAlz)N10-zOz (wherein M represents at least one element selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu) so that there is realized such a high luminance that for example, the fluorescence spectrum maximum emission wavelength ranges from 420 to 500 nm and the excitation spectrum maximum excitation wavelength ranges from 250 to 400 nm. |
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