| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device comprising a light-emitting diode for emitting light downwardly and a light distribution lens for distributing light from the light-emitting diode and capable of uniformly lighting a lower wide range bright.SOLUTION: This invention relates to a lighting device comprising a plurality of irradiation units 7 having a light-emitting diode 8 for emitting light downwardly and a light distribution lens 9 for distributing light from the light-emitting diode 8, at least one light irradiation unit 7 becomes wide range irradiation units 7A, 7B and 7D for reinforcing light from the light-emitting diode 8 in a direction crossing with an optical axis S, and at least one of the other units except the wide range irradiation units 7A, 7B and 7D of the plurality of irradiation units 7 is a lower irradiation unit 7C for reinforcing the light from the light-emitting diode 8 in the optical axis S direction by the light distribution lens 9. |
