Cutting Back on Colors for OLED Screens Boosts Cell Phone Battery Life by 40%

a map of the US rendered using both normal colors on the lower half, and energy-minimizing colorson the upper half; Image via OLED Display
Cell phone companies have been looking at the transition to OLED technology for mobile screens in no small part because of the energy-saving possibilities. Samsung has been leading the way with LG and others not far behind. But OLED displays themselves might get an energy makeover through a limitation on the number of colors used on the screen. A power savings of as much as 40% can be seen when using limited colors. …
