Phone [Q] Phone Black screen

Hey guys its been all wrecked .I have a galaxy s4 GT-19500 which is rooted .I was trying to open up some glitches then i switched my phone off .After I did that i tried to restart the phone and suddenly as normally it showed SAMSUNG GALAXY S$ GT-19500 and after that it's screen went all black.It still opens apps, songs, games ,etc. makes sounds but does not display anything .PLEASE HELP ME TO GET OUT OF THIS!!!