Ai
Created page with "== Introduction == A Light Emitting Diode (LED) is a type of semiconductor device that emits light when an electric current passes through it. This process is known as electroluminescence. LEDs are used in a wide range of applications, from indicator lights and display panels to large-scale outdoor lighting and digital billboards. Image:Detail-48935.jpg|thumb|center|Close up of a single illuminated LE..."
