| 摘要 |
PROBLEM TO BE SOLVED: To provide an LED drive circuit capable of improving light unevenness and efficiency of an LED as well as reducing the number of components.SOLUTION: The LED drive circuit, converting an AC input voltage to a DC output voltage and supplying the voltage to an LED, includes: a ripple detection circuit 11 that detects a ripple included in a DC output voltage; and ripple control sections 14 and 15 that reduce the ripple included in the DC output voltage by the ripple detected by the ripple detection circuit 11. |
