Thanks for confirming. Comparing 95% to 100% brightness (or good as) would be a negligible difference for the camera itself so it certainly isn’t some weird artifact on the camera and definitely indicates PWM is used. It’s likely the 32BL75U (and by extension 32UL750) use the same backlight regulation as the 32UL950, with 240Hz PWM. Hopefully you aren’t overly sensitive to this so it doesn’t cause you any real issues.