replacing the screen on a PSP
 

Here is a picture of a Sony PSP with lines across the screen.
http://members.shaw.ca/peasthope/PSP.jpg

Is a screen replacement likely to fix it?

Does more than one factory in the world build these LCDs?

I've seen them advertised on eBay as well as consolezombie.com.
Any advice about vendors?

Thanks, ... Peter E.