Bright line all over my notification bar

Hi guys i just got my m8 and when i turned it on for the first time i saw a bright line on notification bar, its not visible on black but on other colors its visible , specially when you look at it from an angle.

Here are some pics of the issue:

https://mega.nz/#!i9ExGKDL!WN8iXgvxfYMU_...

https://mega.nz/#!fl02jKoL!QDcgbRVqEaB1B...

https://mega.nz/#!K51gwAgS!R2yXJIolTFY-J...

As you can see in the pics its not visible in black.

Should i be worried? Will it spread to other parts?whats ur idea about it?can i fix it?