| 摘要 |
<p>The present invention discloses a lighting apparatus which realizes stable control of dimming a lamp comprising LEDs and the like. The lighting apparatus increases efficiency of electric power by driving electric power, supplied to the lamp, in an electric current regulating method; can perform constant electric current control to enable the lamp to maintain constant brightness; can perform dimming control for controlling the brightness of the lamp; can supply electric power to the lamp and peripheral circuit modules in common; and has a constant voltage control structure by which a level of driving voltages, supplied to a power source, is controlled to be maintained at a certain level or higher.</p> |
