Wired
On February 25, the Redmi brand officially launched the annual flagship Redmi K40 series, which is equipped with the industry’s top excellent configuration, starting at only 1999 yuan, and it is very competitive. So far, it is still in a state of being difficult to find.
This machine not only has strong core performance, but also equipped with Samsung’s latest generation E4 material center-drilled straight screen, supports 120Hz refresh rate, and all parameters are higher than competing products. Officials say it may be the best straight screen this year.
But the Redmi K40’s screen has a major regret: it does not support DC dimming.
Previously, Zhang Guoquan, the director of Xiaomi’s system software department, publicly stated on Weibo that he would bring the DC dimming function to the Redmi K40 through OTA upgrade, which made many users look forward to it.
However, when Zhang Guoquan answered user questions on Weibo today, he revealed that the DC dimming effect of the Redmi K40 series is unacceptable. Users who like toss can experience it through the development board, but it is certain that it will not be updated in the stable version.
When the brightness of mainstream mobile phones with OLED screens is reduced to a certain level, they will automatically switch to low-frequency PWM dimming. The brightness needs to be adjusted by turning the screen on and off alternately, but it will cause problems for some users with sensitive eyes and cause serious eyes. Fatigue, this is also one of the important reasons why people often say that A-screen hot eyes.
Therefore, many manufacturers use DC dimming to reduce eye damage. It can change the brightness of the screen by increasing or reducing the circuit power, which can effectively reduce stroboscopic.
Please indicate the source for reprinting: Fast Technology
.