| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve a structure of using an internal lens by which a cost is increased and the available light quantity is reduced. <P>SOLUTION: A car signal lamp is constituted of a housing having a cavity closed by a lens and a light source arranged facing the lens in the cavity, and the lens is provided with a 1st surface facing the light source and a 2nd surface facing an area to be illuminated, and the 1st surface is provided with a plurality of horizontal fresnel lenses and the 2nd surface is provided with a plurality of horizontal pillow type optical parts. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
