As last years EU Q80A, the entire Q80B series in Europe uses VA panels . 50/55’‘ have AUO panels and 65/75/85’‘ CSOT.
Service menu image QE55Q80B: https://bit.ly/3teHf0r 55L1 = AUO (5x10 dimming zones)
Should also apply to Asia-Pacific and the Middle East. See back label QA65Q80B https://i.imgur.com/DLCqgqS.png CA01 = CSOT