Lin Bin, chairman of Xiaomi, said the DC darkening function will arrive in the stable version of firmware Mi MIX 3 and Mi8 for June. The option should have been introduced with a recent upgrade to the Mi9 beta branch, but as the Chinese smartphone general manager Wu Cangzhi claims, the company continues to test its compatibility. also on other devices with AMOLED screen.
O OLED Display in fact, they offer better performance than the classic LCDs, but when the brightness drops to low levels, they show a Defect "obvious": a blink of an eye due to the high frequency of current pulses (called PWM). We use quotations because of this feature not consciously visible to the naked eye, but it is equally perceived by the visual system and can cause eye fatigue and headaches.
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Here comes the DC Dimming which essentially intervenes in the voltage of the current flowing through the. When the brightness is decreased, therefore, no heartbeat is entered, but simply the voltage is decreased. The consequence is that flicker – visible if you frame the screen with another device, as shown in the video below – He disappears. However, it is not all gold that glitters and dimming DC also involves a loss of quality in low-bright color rendering.
This mode also allows a small and helps keep monitor overheating under control.. In any case, with the spread of OLED panels, even in medium-sized smartphones, the number of users who will find annoyances is inevitably destined to increase. This is why it is more likely we'll still hear about the DC darkening mode.