History of Light Emitting Diode (LED) -100 Years

The history of LEDs can be unknown to you. But we all know that What is LED? The LED light is the latest technology for the energy-efficient lighting system. Because, before LED we used CFL, Halogen stands and Incandescent bulb and those are much energy consumes lighting technology. LED stands for ‘Light Emitting Diode’ and…

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