文件大小：250K
PURPOSE : Provided are a VUV excitation green fluorescent substance which is improved in efficiency, brightness and color purity, and a UV fluorescence device and a white light emitting device containing the fluorescent substance. CONSTITUTION : The VUV excitation green fluorescent substance comprises a terbium, gadolinium-doped rare earth element aluminum scandium borate represented by (Y_(1-x-y) Gd_x Tb_y) Al_(3-z) Sc_z (BO3)4, wherein 0<=x<0.5, 0
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