The screen on smartphones now reaches 165Hz which uses up the battery quickly. Therefore the LTPO screen comes with a feature to change the refresh rate up to 1Hz if needed to reduce battery consumption. But Samsung has patented a screen technology that has different refresh rates simultaneously.
The patent was filed in 2021 but the document was only recently published. In the patent sketch, the screen panel can use three different refresh rates. One at 30Hz, one at 60Hz and the other at 120Hz.
With different refresh rate zones, only areas that require a high refresh rate will be activated while other zones are lower allowing for better battery usage savings. Although the patent has already been filed, it does not mean that Samsung will use it on the latest devices anytime soon,
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NEWS & FACT