The TV Screen is Black, using a Flashlight I can barely see the screen I did some searching and it has the possibility of...

Probably got Toasted? Probably visit your Service Center if more help.

If you use it while it's charging then I think that's why, but if not then I think it's a overheating problem or if you use a power bank to charge it if available use a outlet because power banks can get hot. If none of this works go to your service center

It's Battery acid and don't touch it because it irritates your skin and best to not use it nor charge it for safety reasons.