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Home > New Gear > DC Dimming: The ultimate solution to screen brightness?
DC Dimming: The ultimate solution to screen brightness?

DC Dimming: The ultimate solution to screen brightness?

By  Felicity Rosa 2019-05-15 348 0

Have you ever heard of DC Dimming? Find out more about this technology that promises to revolutionize screens in Android.

The brightness of the screen is one of the big problems in an Android smartphone. The way it is controlled is not as simple as it seems. In addition, it is a system that could be better. That's why for a long time there have been several solutions on the market, which seek to regulate the brightness of the same in a more efficient way. The last one is DC Dimming.


The current system to regulate the brightness in smartphones is PWM, which is a system that is responsible for reducing the pulse width. Although it is a system that has problems operating on OLED screens, which forces you to look for solutions. That's why DC Dimming has become an alternative to it.


In the case of PWM, the reduction in pulse width causes the refresh rate to decrease. As a result, the screen loses luminosity, which is especially noticeable on smartphones that use an OLED panel. In such cases, low frequencies cause the panel to blink. It's not usually something you notice right away, but it can be annoying for users in many cases.


This is something that has forced manufacturers to look for solutions. One of the most recent in this field is DC Dimming. A technology that promises to end the problems in this regard. Because it is advertised as a way to end the flicker, in addition to consuming less energy.

What is DC Dimming and how it works

DC Dimming is a system that will bring to smartphones something that has already been seen in other market segments. It is a technology based on the concept of potentiometers used in switches. Thanks to them, not only can you turn on the light in a room at home, but in many of today's is possible to regulate the intensity of light at that time. They are therefore responsible for limiting the amount of energy that is sent to the lamp in question.


It is this idea that is now being taken to a smartphone, that of reducing energy so that the brightness is reduced in this way. With DC Dimming an energy delivery system is introduced. In this sense it is integrated to the panel, with a series of variables. Then, it is the phone itself that will detect the ambient light at that moment. Therefore, based on this will reduce or increase the energy consumption on the screen, to increase or reduce the brightness, depending on the situation.


The general idea is that this way, thanks to DC Dimming, the energy consumption on the screen is reduced. This is undoubtedly important because the screen is the element that consumes the most energy in the phone. In addition, in this way it will also be possible to maintain the frequency, reducing the brightness and making those flickers, in the case of OLED panels, are going to be eliminated definitively.


In theory it sounds like a perfect solution for these problems in Android. In addition, it has an element that will cause many surprises, as it can be updated by software, which can certainly facilitate its integration into a phone. In case of a failure, it will be possible to launch an update that will improve the operation of DC Dimming in the phone.

What brands use or will use DC Dimming

DC Dimming


As is usual with new technologies that promise to introduce various improvements in smartphones, there are already brands in Android that have shown interest. OnePlus has been one of the first brands to have presented its interest in incorporating it in their phones. It may be officially introduced in its next top-of-the-range, if it is something that the company really has planned.


In fact, they intend to start a testing program, so that users can try DC Dimming. So we will have to see when it will be used in the case of the company. But they are not the only ones who have made this interest clear. Other brands in Android have already joined this technology.


In this sense, there are already smartphones in the market that use DC Dimming. The first of them has been Xiaomi. The Chinese brand has already introduced it in two models that have launched to stores in these months. On the one hand the Xiaomi Mi 9, the first of its range to use it. On the other hand, the Xiaomi Black Shark 2 also makes use of it. So you will probably see more phones with the same one in the Chinese brand. Also, there are probably more brands that will use it this year on their phones. Especially in the case of high-end OLED or AMOLED displays.

 

 You may also want to read:
 Black Shark 2: the final boss of gaming mobiles comes to market with Snapdragon 855 and up to 12 GB RAM memory
 DC Dimming: What is DC Dimming and which brands use or will use DC Dimming
 Xiaomi Mi 9 review: the world’s third best camera phone according to DxOMark

 

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