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 The new phones with LOCAL variable refresh rate are just wild. Yes, parts of the screen with 240Hz and parts with 1Hz. Display tech is going crazy. 
 Is this for power optimization?  
 innovations in display panels compensate for stagnation in battery technology. i love tech, i hate patents. 

https://www.gadgets360.com/mobiles/news/samsung-patent-energy-efficient-display-refresh-rate-3206204 
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