one Thing You Can Do... By Keeping Ur brightness To low Or Full brightness Can Resolve ur issue for Sometimes.Also U Can Turn ur Always On Display to Show Always.i'm also Having Similar issue..
no , shaan335 the warrenty does not cover the display damage.if the display has been damaged by you than it does not cover the warrenty ..if any fault would had happened in display by its own then it would had covered the warrenty..U will have to pay...