The best brightness of the screen is not absolute, the screen brightness varies from person to person, depending on the environment. In the environment brightness unchanged, you can first adjust the brightness as low as possible, and then add brightness to a will not feel dark value, use for a period of time, if the eye will not be uncomfortable, this is the most suitable for your screen brightness.
Small series also recommended that you install F.lux, which is based on the time to automatically adjust the color temperature of the screen software, the day behind the screen temperature will automatically adjust to a yellow color temperature, so that the screen looks more soft, more comfortable. In short, the daytime shows cool colors and the night colors.
Screen brightness influence factors
1. Personal eyesight
For example: The user of the dazzling need to adjust the screen light a little, if the user's good eyesight, it does not need to tune so bright.
2. Ambient brightness
(1) When the surrounding environment is relatively dark, as far as possible to adjust the brightness dark, for example, in the light of the environment, there is no other light, the need to adjust the brightness as low as possible, usually need to adjust to about 40%. The best advice is to turn on the light.
(2) in the relatively bright environment will need to adjust the screen to a higher brightness, because the surrounding environment is too bright, the screen is too dark to need more energy to see the mobile phone screen content, this time can adjust the brightness to 60% to 80% or so.