| 摘要 |
PROBLEM TO BE SOLVED: To provide a phosphor for EL (electroluminescence) suppressing a leak phenomenon and continuously emitting the El of light in a short wavelength region at high intensity and to provide the phosphor for the EL emitting the EL of visible light at the short wavelength or ultraviolet light by efficiently generating electric field concentration even when the phosphor of a material which originally does not emit the EL with high efficiency is used. SOLUTION: Metal powder consisting essentially of at least one kind of metal selected from the group consisting of Zn, Be, Mg, Ca, Sr and Ba and a material composed of carbon are mechanically ironed and alloyed when the phosphor for the EL is prepared. Thereby, the material composed of the carbon to be an electroconductive layer is uniformly dispersed in the phosphor. COPYRIGHT: (C)2007,JPO&INPIT
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