Well, it can happen. Mine has a slight (barely noticeable) burn-in from the time when Windows desktop was by some mistake left without turning the display off f

Well, it can happen. Mine has a slight (barely noticeable) burn-in from the time when Windows desktop was by some mistake left without turning the display off for two days in a row. Still works fine, everything is impressive. If you avoid such mistakes, I think it can work flawlessly for many years.