What is the average lifetime of an LCD Monitor?

What's the difference between total hours and backlight hours in an LCD monitor? How is lifetime related?

  • How is the lifetime related to these parameters? What is the average lifetime of a brand name LCD monitor? Thank you for your help.

  • Answer:

    The LCD/TFT array and the cold cathode fluorescent backlight have different working life expectancy and failure characteristics. The individual LCD elements most probably fail individually giving a slowly degrading image. The backlight usually fails over a short period of a few months ending in total failure. The CCF average working life is 10,000hrs, The LCD array may last 3-5 times longer

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