| 摘要 |
<p>In a support pin (11) for supporting optical members (43 to 45) through which light from a LED (24) passes, the portion of a top (14), which is in contact with a diffusion plate (43), is formed of a light reflective material, and the portion of a column (12), which supports the top (14), is formed of a light transmissive material.</p> |
