Do LCD displays wear out?
How long do monitors typically last?
How often should a monitor be replaced?
There is no definite period you are supposed to replace your computer monitor. However, computer monitors need replacement after an average of four to five years. However, you can replace the monitor much earlier if it malfunctions or you need to upgrade to a more advanced option.
Do LED monitors degrade over time?
LEDs slowly dim over time; half life is the time, in hours, of how long the backlight can operate before its brightness is at 50% of what it originally was when first turned on. So if the half-life is rated at 50K hours, then the brightness of your backlight will be half as bright at 50K hours.