| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light guide member that has a large sunlight receiving surface (for example, more than 1 m<SP POS="POST">2</SP>), can efficiently guide received sunlight, and can be manufactured by a simple method. <P>SOLUTION: A light guide member includes: a sunlight receiving surface on which a reflective metal film is laminated; a light guide layer that guides sunlight entering from the sunlight receiving surface; and a mounting part for mounting a solar cell on the light guide layer. The sunlight receiving surface has incident ports comprising a recessed part penetrating the metal film to reach the light guide layer, and the inside surface of the recessed part is formed in a reverse conical shape. <P>COPYRIGHT: (C)2013,JPO&INPIT |
