What is the use of lowering the white point value?

The effect of lowering the white point value is to make the overall color of the background darker and no longer so dazzling, and the transparent background of the notification center and folders will become black, which plays the role of "saving power and slowing down the flask" effect.

The operating environment of this article: iOS12.4.1 system, iPhone X

What is the use of reducing the white point value?

The functions are as follows :

Selecting "Reduce White Point Value" will make the overall color of the background darker and no longer so dazzling. The transparent backgrounds of the notification center and folders will become black. It also helps a little bit in terms of saving money, but not much. You can use this function according to your own preferences, whether it is turned on or off does not have much impact.

"Reduce the white point value" actually flattens the input/output curve and reduces the contrast, which is equivalent to the original white color being displayed as light gray. Reducing the white point value, like reducing the brightness, will reduce the electron energy hitting the phosphor, saving power and slowing down the flask.

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