iPhone 12 Pro Can't Deliver True OLED Blacks at Low Brightness Setting

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Издатель
We demonstrate that the iPhone 12 Pro cannot completely switch off its OLED pixels at low [Brightness] setting on the phone, leading to raised blacks which may be visible in a pitch-black room. Our measuring equipment is the Klein K10-A colorimeter and Chromasurf software.

Given how widespread the problem is, it is possible that all iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 and iPhone 12 Mini with OLED displays are affected. However, not everyone will be sensitive to the problem. To see the issue, several conditions need to be met:

1) Observation in a pitch-black room;
2) [Brightness] on phone set to the minimum level (not exceeding 20%);
3) Display a full-screen black photo or video with no other bright elements (icons, menu bar, etc.) present; and
4) Let your eyes adapt for a couple of minutes to see the problem.

With [Brightness] set to "Maximum", blacks will remain black, which is why we didn't pick up this issue when we compared the iPhone 12 Pro's HDR picture quality (with [Brightness] specifically set to "Max" for the highest peak brightness) vs the Sony BVM-X300 reference mastering monitor.

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iphone AppStore iPhone 12
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