Lighting. Friday , February 10th , 2017 - 12:19:33 PM
Some Cities around the world have already changed their Street lights, Traffic lights and some of the large industrial factories have changed to LED to conserve on their large energy bills. The advertising companies have changed the large electronic billboards to LED. The Dentistry businesses have been using Specialized LEDs for years already.
Diodes allow current to flow only in one direction. Thereby, it stops the current coming in opposite direction. This diode emits light when current passes through it and that is why it is called as LED. There are no filaments to burn in LED and there is very little heat generated while lighting these bulbs. In conventional incandescent bulbs, much energy gets converted into heat which is of no use. It is the movement of electrons in the semiconductor material which illuminates the LED.
Scientists all over the world predict that led bulb will be occupying 46% of the commercial building lamp market by 2020. It is no mean achievement considering their appearance in the market is of comparatively recent origin.
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