| 摘要 |
PROBLEM TO BE SOLVED: To raise the generation power by raising the lighting factor of a solar battery. SOLUTION: This lighting device is one where a lighting adaptor 2 consisting of transparent material such as plastic, glass, or the like and having an outward convex made is attached to a solar battery panel 1, with the direction of the chord of the circular are directed east and west, and which increases the quantity of received light of a solar battery panel 1 by refracting the solar beam mainly in the morning and evening by means of the convex arc face. |
