Applications of infra-red light emitting diode (IR LED)

The important applications of infra-red light emitting diode (IR LED) are as given below,

• The IR LED is used as a light source in optical systems.
• The IR LED is used in burglar alarm systems.
• It is used as card and paper tape reader.
• It is used in colored zoom infrared water proof video camera.
• It is used in medical treatment appliances.
• It is used in space optical communication.
• It is used in remote control handsets.
• IR LED is used as a shift encoder.

IR LED(infra-red light emitting diode )