| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a phosphor that emits an ultraviolet light by exciting the ultraviolet light-emitting phosphor with a vacuum ultraviolet light and can be used with advantage as an ultraviolet light-emitting phosphor for a fluorescent lamp. <P>SOLUTION: The ultraviolet light-emitting phosphor contains fluorine-containing magnesium oxide powder that contains fluorine in an amount of 0.0013 mass% or larger but smaller than 0.010 mass%. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
