What is Light Emitting Diode (LED)? - Definition, Working, Construction & Advantages - Circuit Globe
Sources of Visible Light - Introduction to Light Emitting Diodes | Olympus LS
Light-emitting diode physics - Wikipedia
Light Emitting Diode (LED) - Working, Construction and Symbol - Diode
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