| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high-grade color lamp exhibiting various types of pearl colors in lighting and holding a metal color in putting the light out and to provide its manufacturing method. <P>SOLUTION: This color lamp is formed by providing a metal colloid layer on a glass tube surface and a transparent protecting coating film thereon. This constitution enables mass production, emits various types of pearl colors in lighting by changing the metal colloid, prevents discoloration due to the long use, and exhibits a high-grade metal color in putting it out. <P>COPYRIGHT: (C)2004,JPO |
