• Illuminating the World: The Versatility of LEDs LED has revolutionised numerous industries with its versatility. Widely employed in lighting, LCD display backlights, mobile phones, information displays, and status indicators, LEDs are also integral to cutting-edge applications like information transmission (such as IrDA infrared transmission and Li-Fi optical communications technology, also known as Light Fidelity), signal conversion (including infrared thermal imaging and optocouplers), and ...