OK if you can find 4 screens with LEDs in them, this is a cool build. OK and of course the same size too. Most older laptops I take apart do not have LED but a bulb (CRT) like light. Also this looks like more work than its worth just building a frame and putting LED’s in it.
http://lifehacker.com/turn-a-bunch-of-old-laptop-led-screens-into-a-false-win-1737672742