There is a cable that runs from the top screen to the bottom section. This probably came loose and caused you're screen to become blurry.
If you are able to reconnect the cable and would like to prevent it from happening again use the guide from this website to keep the screen at the proper angle.
http://www.wikihow.com/Workaround-Damaged-Laptop-Display-Hinges
Bosnoff
August 2007