There's some debate about what is flicker threshold (flicker fusion threshold ,I think). I've seen some academic literature talking about 1000-4000hz , which i

There's some debate about what is flicker threshold (flicker fusion threshold ,I think). I've seen some academic literature talking about 1000-4000hz , which is far above what most screens do. Btw I believe BenQ has a display that doesn't use pwm at all .