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Oppo Shows Off the Technology Behind Oppo X 2021 Rollable Display Concept Phone

Oppo X 2021 concept phone made quite a headline last year as it was demoed at Inno Day 2020. Cut to now at the MWC Shanghai 2021, Chinese smartphone manufacturer published a video showcasing how it’s Oppo X 2021 rolled out a 6.7-inch display into a humongous 7.4-inch display.

The display when retracted (rolled) is supported with two substrates that allow the display to act as a single unit. Oppo has developed two roll motors that generate a constant force output to roll and unroll the display from 6.7-inch to 7.4-inch and vice versa. It also ensures that the display rolls and unrolls without forming any crease or mark on the display.

Oppo developed a central axis that facilitated the display to move freely when instructed. It has a diameter of 6.8mm that helps roll and unroll the display while a slider ensures that the display is retracted and extended smoothly. Engineers at Oppo conducted numerous experiments to come up with a size of 6.8mm thick for its central axis that was instrumental in this concept phone.

Oppo has developed 2-in-1 plate support technology wherein two substrates support the entire surface when it is retracted. As a user extends the display, the right substrate supports the fixed portion of the display while the left substrate supports the rolling portion of the display providing zero segment support.

Oppo X 2021 Concept Phone

The display mounted on Oppo X 2021 has a Warp Track high-strength screen laminate that aids in bending and other outward forces. The structure is etched with a linear pattern that offers resilience and also provides the required flexibility and support to the structure. The laminate itself is just 0.1mm thick at its thinnest point.

A flexible rolling display is great for productivity, entertainment, and daily use and has an upper hand when compared against a foldable display. Having an OLED panel to extend and retract has numerous use cases. However, it is just a concept phone and thus, Oppo X 2021 concept phone may not arrive in the commercial market.

Aadil Raval

Aadil Raval is a Technical Content Writer at ScoopSquare24. He handles several big-ticket tech websites as well and runs his blog TechTantrum along with passion for sitcoms like The Office, HMIYM, and Scientific Documentaries, Discoveries, News & Movies.

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