【New machine】Father and son start dry! Honor returns to Huawei's "3840Hz useless theory"

In the previous stage, Honor vigorously promoted "3840Hz high-frequency PWM dimming" when warming up the Honor 90 series, which can achieve 0 risk of strobe and more eye-protecting. In this regard, Huawei product manager Bruce Lee said on Weibo: higher dimming frequency is not necessary, and even said: PWM dimming with a frequency of more than 1440Hz is almost 0 for eye protection, which means that 2160Hz and 3840Hz are marketing-oriented digital games.

In fact, it is not unreasonable to say this, for equipment that supports low-brightness high-frequency PWM dimming + high-brightness class DC, the strobe hazard can be ignored above 10 nits, for such models need to focus on low brightness, especially the SVM value below 5 nits brightness, then the SVM value is mainly affected by OLED TFT charging, and the small fluctuations generated by the high-frequency dimming frequency no longer work. Of course, Honor did not hesitate at all, but released a long science popularization honor 90 series ultra-high frequency dimming effect on eye protection.

The article points out that the probe diameter and sampling frequency used to measure SVM values will affect the actual results, and the SVM calculation formula in the documentation issued by CIE2016 is not suitable for calculating low-brightness mobile phone strobes, even so, the Honor 90 series is relatively dominant in SVM tests. However, Honor still believes that factors such as strobe, fluctuation depth, and duty cycle jointly affect the degree of strobe, and the dimming frequency is a more intuitive measure.

Do you have any different opinions on this? It can only be said that this is no longer a common manufacturer war of words in the digital circle, but has risen to the point of academic discussion, it can only be said that such a pattern and attitude is a good thing, and I hope that the future digital circle, especially the executives of manufacturers, can have less verbal war that corrupts the brand image.