LED is another type of lightbulb that could be used to help conserve energy. LED stands for 'light emitting diode'. LED's are used as indicator lamps in several devices and are also used for other types of lighting.
LED's were introduced in 1962 , when they were first introduced LED's only emitted red light which was a low intensity but as society has evolved, LED's have now modernised and are available with very high brightnesses.
There are many advantages to using a LED instead of a incandescent lamp, the main advantage is that LED's have a much lower energy consumption, they are also have a longer life-span compared to IL's and come in a smaller size then IL's.
However, LED's that are powerful enough to light a room can be expensive and requre a precise current and heat management than CFL's output.
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