Am Tue, 11 Oct 2011 21:42:10 +0200
schrieb Ingo Klöcker <kloecker@kde.org>:

> Until recently I used to believe this. Unfortunately, it's not true.
> At work we have several (well, at least two) TFTs which have the line
> edit of the login screen burned in. It's clearly visible before a
> dark gray mono-colored background.
Yesno. This effect is known, but quite different and (unlike a actual
burn-in which DOES affect plasma panels) usually fully reversible even
w/o special equipment, but just by either
a) turning the screen off some hours
b) "whiting" it
c) fast black/white swapping

http://en.wikipedia.org/wiki/Image_persistence


Cheers,
Thomas