... lighting incandescent lamp 1 / 15 power3, Health Care Eye: LED energy-saving lamps are driven by low voltage DC, no flicker, no ... fourth largest public nuisance5, long life: the ordinary energy-saving lamps more than 10 times, 40 times more than incandescent, and ... not easily damaged6, sufficient illumination: LED starts to reach the rated luminous flux and the instantaneous ...