Chosen Solution

After installing a new polarizer and anti static glue some of my LCD’s have vertical lines in them. Any ideas would be greatly appreciated!

As Blanco mentioned usually this is flex damage. You can sell these LCDs or replace the flex cable depending on quantity. Machines are expensive for this process.

you have damaged the screens flex cables. so for this u need to replace the lcds

Here is a guide for you: WHY VERTICAL LINES ON YOUR IPHONE AFTER SCREEN REPLACEMENT