Try re-photographing the screen in both portrait and landscape formats - this should show up that the "diagonal" line (like the slight pink colouring in part of the screen) is actually down to the photo and not the screen itself.
Three or four piccies from different viewpoints will almost certainly show that the issue is purely a horizontal one and not attributable to screen damage.
In reality I think most "diagonal" lines due to breakage would be more of a "starburst" - someone in Kobo is clutching at straws.
BobC
|