| 摘要 |
A straight led lamp according to the present invention comprises: a straight lamp housing; a circuit substrate; an LED array in which a plurality of LED devices connected between a first DC power terminal and a first connection point are connected to each other; and an LED driving circuit which is mounted on the circuit substrate. The LED driving circuit includes: a switching circuit unit which is connected between the first connection point and a second DC power terminal, and performs the switching driving of the LED array; a first bridge circuit in which an input end is connected between a first connection pin and a second connection pin arranged on one side of the straight lamp housing, and an output end is connected between the first DC power terminal and the second DC power terminal; a second bridge circuit in which an input end is connected between a third connection pin and a fourth connection pin arranged on the other side of the straight lamp housing, and an output end is connected between the first DC power terminal and the second DC power terminal; a first capacitor which is connected between one side of the input end and one side of the output end of the first bridge circuit; a second capacitor which is connected between the other side of the input end and the other side of the output end of the first bridge circuit; a third capacitor which is connected between one side of the input end and one side of the output end of the first bridge circuit; and a fourth capacitor which is connected between the other side of the input end and the other side of the output end of the second bridge circuit. |
