Default [Q] new screen from ebay, light bleeding from sides!!!!???

Hi I bought a new screen off ebay with the frame attached advertised as original not replacement. when I assembled the phone and turned the brightness up I noticed light bleeding from the sides, the top and bottom were perfect. The touch works well, what is the reason for this, is the screen bent near the centre? Is the lg g2 screen a knock off replacement any ideas, btw this Is the second screen I got the first replaced because of the same issue.