'''++@gabe981++''' if you are saying that the once you found are
LG lm270wq1 (SD) (A1)
LG lm270wq1 (SD) (B1)
LG lm270wq1 (SD) (E3)
then the only way to determine compatibility is by downloading the datasheet. Armed with that information you can at least check the connections and connector compatibility. It is possible that some of those screens would work. Backlight LED strips are available so check places [https://www.aliexpress.com/item/32857419703.html|like this]