| 摘要 |
PURPOSE: A solar lighting device using a spherical condensing lens is provided to improve efficiency by securing constant collection performance using a spherical condensing lens regardless of the location of the sun. CONSTITUTION: A spherical condensing lens(11) focuses incident light in a direction of a glass buffer lens(13). A heat blocking filter(12) blocks heat action rays from the focused rays. The glass buffer lens provides a collection path. A connector(14) connects an incident terminal of a plastic optical fiber(20) to the glass buffer lens. A lens cover(15) protects the spherical condensing lens.
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