scott wilson are you referring to the diffuser sheet? You can usually replace those. Sometimes even from other panels for as long as the size fits. Post a couple of pictures of what you have going on there. Maybe we can come up with the right thing. [guide|21499]
Is it worth fixing? Well, it is cheaper to fix it than a new TV ;-) and keeps things out of the landfill.
Remember that
Repair is War on Entropy!