Pixoff: Pixel OFF Save Battery
Saves battery with filter that turns off pixels
Saves battery by applying a filter that
of screens, also incorporates the possibility of make a
decreasing so damaging blue light and you can further reduce battery consumption with
Screens doesn't have a backlight at all. Instead, each little sub-pixel is like a tiny red, blue, or green colored light. If the screen is instructed to display black, it doesn't need to block any light, it simply doesn't light up any of the little colored sub-pixels.
Black pixels save you a lot of power because those pixels can be turned completely off. There is a relationship between brightness and power, but to really save juice you need a true black.
In the version of Android 6.0 it is possible that in some app that screen is launched, to fix follow the instructions in the next video https://www.youtube.com/watch?v=S0S1znycHFM