[AC Question]

my phone was working perfectly fine i have updated it using wifi, my battery mustve died during the night and my phone went off when i got to work i put it on charge i then put it on after 2 hours and its playing up, i cant use the touch screen with my finger but i can with the S pen. but my screen comes on or goes black. i took the battery out and the screen works then doesnt messages are coming through etc but my screen is black. please help