Table 1.
Comparison of characteristics between incandescent lamps and alternative lighting

Index	Incandescent lamp	Fluorescent lamp	LED lamp
Energy efficiency	10∼15 lm/W	50∼80 lm/W	60∼80 lm/W
Product life	1,000 hr	5,000∼15,000 hr	25,000 hr
Product price	￦1,000	￦3,000∼5,000	￦10,000∼20,000