This week, Google has confirmed that AMOLED displays it on phones because it uses the phone: in a "dark" mode (black background), the phone shortens battery life. This is because the display technology consumes less energy by displaying a black color than the white one. It is different from the LCD, where energy expenditure is the same regardless of the color on the screen.
Many manufacturers allow them to use their phones in dark mode to enable saving (especially with black backgrounds in configuration menus or application list), but now Google put numbers: a blank screen with maximum brightness is displayed). In addition, the display shows 25% more energy than shown in blue, on average in red or green. White spends more money, black, less consumption.
This allows Samsung, LG, and Motorola to display notifications about the display blocking: the power consumption is too low, because the dark and only a minimum section are illuminated; Samsung said the clock for the Galaxy S7 is always visible (black background, with little brightness), above 1 percent of the battery per hour.
Last week, at the last meeting for developers,
When Google announces its support for folding screens, Google is aware that white is more consuming black than black, and naturally leaves its use of dark background alternatives.
they already offer iOS (but these models will only be affected by OLED screens such as iPhone X and XS), macOS and Windows 10 (
Just as the company itself did with YouTube (Twitter, for example, when it's done at night, it also has a dark mode that's fired in the same way as a map app).
However, it should be noted that most companies that implement "themes" to operating systems such as Samsung, Huawei, LG, or Sony offer alternatives that use a black background for all applications, but not for specific applications. .