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There's actual burn in, but there's also perceived burn in (I made the term up) which this wouldn't fix.
If you leave the TV on for hundreds of hours playing 4:3 TV for example with black bars on each side, those bars aren't emitting light. Meanwhile the content that is shown is slowly degrading those OLEDs.
Eventually the content OLEDs are dimmer than the black bar OLEDs and you have "burn in" with the bars visible.
So it could still be a problem for things like static displays where there isn't always moving content.
Would it not be "additive burn-in" and "subtractive burn-in" or something then? Or "differential burn-in?"
That makes sense ya