Some of the important applications of LED are given below:
- It is used in optical switching application.
- It is used in burglar alarm system.
- It is used for indicating power ON/OFF conditions, power level indicators or stereo amplifiers.
- It is used in image sensing circuits in videophones.
- It is used in optical communication system.
- It is used for checking the linearity, speed etc. of opto-electronic detection circuits.
- It is used in motorcycle and bicycle lights.
- It is used in traffic lights and signals.