| 摘要 |
PROBLEM TO BE SOLVED: To use a printed circuit board in common for the same or lower wattage, and manufacture several types of inverter lighting circuits using the same printed circuit board. SOLUTION: This lighting device has a power circuit part 1 with input terminals N and H, and output terminals T1 to T4 on the same side of an approximately square printed circuit board 5 for outputting filtered voltage upon receipt of AC power from the input terminals N and H, and an inverter circuit part 2 for feeding high frequency power to a lamp from the output terminals T1 to T4 upon receipt of DC voltage from the power circuit part 1. In addition, the power circuit part 1 and the inverter circuit part 2 are mounted on the printed circuit board 5, and a means 6 is provided for dividing the printed circuit board 5 into two sections with the power circuit p art 1 and the inverter circuit part 2. |
