My screen just went pink rather than black

well i was watching a video and while watching it i was downloading some thing else and quite long ago about 1 month before i had a event so during the event i drop my phone and the top left hand corner of the screen craked but it did not effect my phone and it was perfectly fine until last saturday i watching video halfway and it jut went pink literally i dk y i tried removing the battery and i tried the dried rice solution but it did not work can someone help me pls