| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an LED lamp capable of being mounted on a general-use fluorescent luminaire that is safely used without bringing forth deterioration or damage of LEDs due to overcurrent, on whichever type of the fixture B one is mounted. <P>SOLUTION: The LED lamp A1 mountable on the general-use fluorescent luminaire includes a rectifier circuit 1 rectifying a current input from the general-use fluorescent luminaire B, a constant current circuit 2 maintaining a direct current input from the rectifying circuit 1 at a constant current, and a light-emitting circuit 3 equipped with LEDs 31a emitting light with the current input from the constant current circuit 2. <P>COPYRIGHT: (C)2010,JPO&INPIT |
