ByAdeline Belluz 2019-06-02 688
What is the DC dimming? It can be interpreted as a more eye-protective display. The PWM dimming mode adopted by OLED screen is a kind of luminous mode with high frequency flashing, which is related to the current OLED technology. After Samsung invented the PWM dimming scheme, the good quality rate of the screen was greatly improved, and the display quality was also significantly improved.But the biggest drawback of this scheme is that the flicker is very obvious at low brightness, making the screen "hot eyes".
DC dimming is the opposite, protecting the eyes but easy to sacrifice the quality of the picture, and even affect the life of OLED screen, aggravate the phenomenon of burning screen. So what kind of scheme is better, there is no clear conclusion at all. Now is to give the choice to the user, add options to the system, the user decides which dimming method to use. In fact, a long time ago, Huawei Camera R & amp; d Director McDonnell said that Huawei has been doing this research, but whether to introduce it depends on the final effect.
So what does DC dimming have to study? The most obvious problem for users is to change to DC dimming, on the screen can see a layer of color scale, the effect of the display is not small. Not to mention DC dimming negative is more than that, it may also affect the purity of the picture, and even the luminous point will be due to continuous luminescence in the fixed brightness greatly reduce life, that is, the phenomenon of burning screen. For mobile phone brands, if a feature has a negative impact instead, it will naturally be carefully evaluated.
But recently someone online asked Huawei customer service and received a clear response, Huawei P30 series is expected to support the entire DC dimming in the new version of the system, it seems that after some research has solved the problem of eye protection and picture quality can not coexist.
For the Huawei P30 series, regardless of performance, life, function or photo, have reached a fairly good level, and the online round for DC dimming attention, so that this function gradually become just needed. If DC dimming is introduced, it is equivalent to adding that the last sudden appearance of the series is patched up, which will make a big difference to the phone's use experience. The next thing to do is to wait patiently and see when the feature is on the line.
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