A Light Emitting Diode (LED) Is A Two Lead Semiconductor Light Source. Electrons Are Able To Recombine With Electron Holes Within The Device, Releasing Energy In The Form Of Photons. Royalty Free
What are the disadvanges of LED ?
Light Emitting Diodes
What is an LED and How do LEDs Work? - The Lightbulb Co. UK
How do LEDs product light? How do LEDs work? What is an LED?
Working Principle of LED - The Engineering Knowledge