What are LEDs and how do they work?

LED stands for light emitting diode.LED lighting products produce light approximately 90% more efficeiently than incandescent light bulbs,How do they work?An electrical current passes through a microchip,wich illuminates the tiny light sources we call LEDs and the result is visible light. To prevent performance issues, the heat LEDs produce is absorbed into a heat sink. 

Lifetime of LED lighting Products 

The useful life of LED lighting products is defined differently than that of other lgiht sources, such as incandescent or compact fluorescent lighting(CFL).LEDs typically do not burn out or fail,Instead, they experience lumen depreciation, wherein the brightness of the LED dims slowly over time,Unlike incandescent bulbs,LED lifetime is established on a prediction of when the light output decreaes by 30 percent.   

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