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Led Display Lifetime

The operational lifetime of an LED Display is determined by the lifetime of the LEDs.

LED manufacturers estimate the LED lifetime to be 100,000 houris undercertain operating conditions.LED Display end of lifetimes is when the frontal brightness has decreated to 50% of orginal brightness.


  Three primary factors determine LED lifetime

  Manufacturing process of the LED

  Driving (powering) method of the LED

  Temperatures present at the LED die during operation

  LED thermal management is vitally important to maintaining LED lifetime.Increasing the power 


through an LED increase brightness but reduce its lifetime due to increased heat generation.

Increased exposure to higher temperture also shortens the lifetime.LED thermal management can only be done through the LED lead frame by conducting the heat to a Printed Circuit Board (PCB) and by allowing airflow to cool the LED lead frame.

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LED Display components must be designed to handle a wide range of outdoor environmental factors,such as temperature and humidity.All components must be coated to protect from possible corrosion.