The leakage of light, as is said macedonian is a manufacturing defect that occurs in such far iPad 2 Try to clear the screen and put the gloss black butt (with a film for instance), and looks at see if it is the same. I assume you mean something like this:
If so, light leaks are seen in all TV and even mobile devices, it is common, this happens because they are not well sealed LEDs spread across the screen frame. Although depediendo what bother, you must decide whether to return or exchange it for another, and you do not bread fault if you explain spells, however, and are within the 2 year warranty.
We already have, good luck friend;)