TopResource.NET

Lamp is the one of important think for our life. From day to day there are some improvement for how to make a batter light. At last 21st century, the fluorescent light is very popular and the price for every peace if that lamp is not so expensive. Other lamp also useful such as Halogen, Sodium lamp and white TL.

Now, there are new kind of lamp that can also become bright light with very low voltage and ampere. LED is Light Emitting Diode, actually LED was discover at year 1907, but in a about year 2000+, white LED produced and a lot of company try to make a very efficient and good design of LED for replacing ordinary fluorescent light.

LED is a semiconductor diode which can make a light when it get a voltage. LED have a lot of advantage, because LED only need a small energy consumption, have a long lifetime, small for each peace, bright, no radiation, stronger, low heat. LED have several base color: red, green, yellow, blue, and new color is bright white.   

At some city, the traffic light controller already using some array of LED with Green, Yellow, and Red color. When using LED, traffic light become clearly and brightly seen then before, especially at afternoon with bright sun light. Because LED more stronger and low power consumption, it is really good to replace all old traditional traffic light light LED. Also LED it will have a great possibility to be replacing traditional home fluorescent light, because now some big company such as Philips already produced LED light for home user.