| 摘要 |
PURPOSE: An environmentally-friendly condensing lens for improving solar power generation efficiency by allowing sunlight to evenly spread to solar cells at every angles. CONSTITUTION: An environmentally-friendly condensing lens(100) comprises pentagon or hexagon-shaped Fresnel lenses that are connected together, surrounding a solar cell panel, to receive sunlight from all directions. The size of the condensing lens can be controlled according to the size of a solar cell panel. |
