Photo: WN / RTayco
The Oppo X 2021 works thanks to a continuously variable Roll Motor Powertrain so the display can be any size between the minimum and maximum. Two motors apply a constant force to move the OLED screen uniformly and avoid damage. It works much like LG’s Signature OLED R rollable TV but a scroll diameter of just 6.8mm... read full story
Photo: Oppo mobile phone branch in Taiwan. Taken on April 2018.