What is the difference between led semiconductor energy-saving lamps and traditional lighting lamps?

The advantage of LED is that, under the same illumination conditions, the consumption of electricity is small, the heat is small, and the lamp life is super long

This is the white sizzling lamp and fluorescent lamps can not be compared. However, his glow is relatively large (more dazzling), as a DownLight use, should be added to the shade.

General family use, there is no problem; if it is a large area such as office buildings, high cost, low efficiency drawbacks.

Domestic is not clear, Japan's Panasonic Electric Works, Yamada are famous for doing lighting, technology are good.