In the Apple Watch Series 4 mounted display a new generation, not previously used in other devices
Apple has put in the hours of the fourth generation display technology LTPO. This is a new patented development Corporation which was supposed to debut in the iPhone, but first appeared in the Apple Watch.
LTPO-screens differ from the standard OLED high energy efficiency. Technology is designed to significantly increase the operating time from a single charge. That is why the Apple Watch Series 4 with a slim case and a larger screen to work as long as the previous version, and sometimes even longer.
Also LTPO screens allow Apple to reduce the cost of production. To improve the picture quality on high resolution displays. Better control of the production line, monitoring quality of supplied components.
According to analysts, the iPhone such screens can appear next year.