Dark areas on the screen

Hi, I have a 17 inch macbook pro and have some strange marks on the screen at first I thought it was just dirt, I tried cleaning but this seems to make no difference, can anyone suggest anything, could the screen be damaged? the patches only show from particular angles sometimes as dark patches sometimes as light patches depending on the angle of view.
Thanks
Marcus
mac book pro 17 inch Mac OS X (10.4.7)

If it is really troublesome and upsets you then I would call Applecare, yes it will be covered by the guarantee. It is just that you never know how you will receive your MBP back (whether in perfect condition or scratched) or if they decide to exchange it, whether it will have other problems. So i decided to keep mine , as it only seems visible during boot up on the blue screen.
If you bought it from a store in London, take it back to them and speak to a genius..They can tell you there and there what needs to be done.
Good luck.

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hi
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Dark areas on the screen

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