White region in the screen

Hi all,
I am noticing that when I am opening and closing the lid of my t400... there is a zone on the screen which seems to be like glowing (like when you touch the screen by the finger, but without touching it) and after some time this area has become whiter and in the center there is a white pixel.
I am wondering whether is worth to take to the warranty for this and for how many days they will take the whole notebook to fix it.
T400 (2767-AK3)

Hello hardaway,
this behavior seems not normal, I would suggest to call support.
Please take a picture and link it to this thread.
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