Screen now flashing like crazy

I’ve already had this question answered before, but I would love to get one more clarification (since I couldn’t figure out how to reply adding another image) but before the screen had a huge black line running down, and now after using the iPad for some more extensive time, it now flickers like crazy. Just wanted to make sure if this is an LCD problem and not some graphical issue? Since that’s one of the reoccurring problems of the iPad Pro 10.5.

This is what it looked like before

This is what it now looks like, devolved.