Quote from: chillfox on March 31, 2020, 20:46:47AFAIK, it's not a full 0-100-0-100 PWM pulse, rather a bit of waviness around the selected brightness level, likely from a boost/buck setup and inadequate filtering.
On the one hand 117 000 Hz is nothing compared to mindblowing agressive 200Hz on OLED screenns. On the other hand Apple laptops are one of rare cases when consumer are not involved in some kind panel manufacturer roulette. Expecations are high, it should be premium in every way.