Smaller version of the original iPad Pro. Released March 31, 2016. Features a 9.7" display, A9X processor, and 32/128/256 GB storage options. Available in Silver, Space Grey, Gold, and Rose Gold.
This appears to be a damaged or defective replacement screen. Do you still have the original? if so, connect it to see if it works or has the same behaviour. Remember to always disconnect the battery first (and connect it last) when testing components or performing a repair.