Dirty Grey marks In LCD

Hi
Just recently noticed some dirty grey marks in my LCD, I say in because thats where they are.
These dirty marks are both blotches and streaks.
Areas affected are, bottom left, top left down to about a third way down screen and top right with a couple of small marks about an inch to inch and half in.
I thought they were behind the front panel and caused by the fans sucking in dust. Removed glossy front panel only to find these marks are actually inside the LCD.
Then I thought maybe image persistance, because I have the same wallpaper picture all the time, but I cannot see how the marks match up with the picture used.
Trawled the net to see if I could find some answers, did find some other people who had had the same problem with Mac panels and had sent them in for repair. These people said Apple replaced the LCD and all was OK, but within a few months the problem had returned. So I am now thinking it is a waste of time getting my panel replaced.
Surely this can only be caused by cheapo panels being used ? Sorry to say that about an Apple product but I see no other reason. So what is the way to go if I want to stay with Apple which I do
Only answer I have is to buy a second monitor
Sorry cannot take a picture of the marks........
Anybody got or had similar ?

I did have the same issue, after 6 mounths of use.
http://discussions.apple.com/thread.jspa?messageID=6391812&#6391812
My LCD panel have been replaced and till now, no new marks... I've read these marks appeared because of an incorrect sealing of the LCD panel...
So I would advise you to make your LCD changed: thoses marks aren't a fatality.

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Dirty Grey marks In LCD

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