What Does Brightness Mean?
Brightness is the perceived intensity of light coming from a screen. On a color screen, it is the average of the red, green and blue pixels on the screen. Brightness is important to both color perception and battery life on mobile devices. It can be adjusted manually or automatically with sensors.
Techopedia Explains Brightness
Brightness is the perception of how intense the light coming from a screen is. Although it is subjective, in can be measured in terms of the amplitude of the light being emitted from a screen.
