Backlight Bleeding on my U2412!

Hi Everyone!

I bought a Dell U2412 Three Weeks ago (6/11) , now i notice that monitor has Backlight Bleeding but i dont know is it normal or should i return or replace this?! In Light room Is okay but in dark room bleeding is noticeable! I attach some pic and upload some movie .
unfortunatly 3days left for return or ... !







and movies:

first and second one ( 40 brightness and 65 contrast) :

http://www.youtube.com/watch?v=iiAu_azlI7I


http://www.youtube.com/watch?v=oRazXfiEHME



Third one : 100 Contrast and 100 Brightness:

http://www.youtube.com/watch?v=byyIC1Vl_qY


-What is the best performance for U2412 ?! it hurt my eyes , I dont know why?!

Your backlight bleed is a bit worse then mine. A little is normal but if you're not happy with the amount on yours, try getting it replaced.