Saves whether dark charge mode smartphone
Technologies / / December 19, 2019
Dark mode interface for mobile applications are becoming more popular. Many users believe that they allow you to seriously extend the battery life of the smartphone. And it's true, but only partly.
When the dark mode is really effective
Displays mobile gadgets come in two types: LCD (they are the same LCD, liquid crystal) and OLED (organic light emitting diode). And dark theme really help conserve charge, but only on smartphones with OLED-displays. And the whole thing here in the principles of the displays.
Liquid crystal displays (LCD) It consists of an array forming the image, the liquid crystal layer and the LED backlight system. Roughly speaking, the LCD version works like this: crystal display "sift" the light generated by the backlight, missing only certain light waves through the colored grid of pixels, each of which comprises red, green and blue cell. Thus, a color image.
Screens organic light emitting diode (OLED) use a different principle. They pixel grid and lights are combined into one element. Each pixel emits its own light. This gives a lot of advantages - better contrast and greater color saturation. But the main thing - OLED-displays are more energy efficient. And that's why.
When the pixel on OLED-display you want to display black color, it actually shuts down and stops consuming electricity. But devices with LCD screens (and LED-LCD) have to constantly feed the whole screenRegardless of what the picture shows.
Therefore, the use of the dark so you can really save battery power, but only if you have a smartphone with an OLED display, AMOLED, Super AMOLED, or P-OLED.
How dark mode increases the autonomy
Google conducted a studyGoogle wants developers to add dark themes to save battery lifeI am trying to determine how its applications with dark themes help to preserve the charge on smartphones with OLED-displays. We compared Google Pixel, released in 2016 and featuring AMOLED screen, and 7 of the iPhone with a LCD-screen the same year.
The effect has been staggering: according to the results, the dark mode application YouTube It saves 15 to 63% of the time the autonomous use of the device. However, with the OLED-screen only.
So, owners of AMOLED-devices, include a dark mode wherever you can. So you win an extra hour of operation of the device from the battery.
Do I need a dark mode on smartphones with LCD
On devices with LCD screen special savings you will not see, at least paint the entire system in the black. However dark mode is useful even here. They are helping preserve vision smartphone users, because with a lack of light is more convenient to read light text on a dark background.
If you want to extend the life of your smartphone with LED, LCD or IPS-display of battery life, decrease the overall brightness of the screen is enough. No other tricks with colors you do not need.
see also🧐
- How to enable a dark theme in Chrome for Android
- 25 Android-application for fans of the dark
- How to enable a dark mode in Safari on iPhone