| 摘要 |
PROBLEM TO BE SOLVED: To reduce depth size of a lighting system compared with a conventional one.SOLUTION: The lighting system includes an LED light source and a lens body arranged in front of the LED light source. The lens body is arranged opposed to the LED light source, and comprises a backside including an incident surface to which light emitted from the LED light source enters and an outgoing face on the opposite side. The incident surface is an incident surface recessed in a cylinder type in which a concave semicircle arc is extended in one direction to the LED light source, and the LED light source is arranged in the recessed incident surface so that the light emitted from the LED light source may enter the incident surface. |
