Knowledge classroom
The meaning of led is Emitting Diode light,it refers to luminous diode too. It is made of so many kinds of semiconductor component taping, there are two parts ,and it allows the electricity to pass unidirectionally only.

When the electricity gets through the luminous diode, the small light will shine, and this technology is used in field of video,and television.

There are so many kinds of led lighting, it is a such production that costs lower energy but the ray is stronger,so it does well in save of energy.

Comparing the normal lighting , led is so better than them.
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