San Francisco, May 17 : Apple is reportedly testing the use of a colour display from E Ink as an external screen for an unannounced foldable device.
Analyst Ming-Chi Kuo said that the tech giant is testing E Ink’s Electronic Paper Display (EPD) for future foldable device’s cover screen and tablet-like applications.
“The colour EPD has the potential to become a mainstream solution for foldable devices’ must-have cover/ second screen thanks to its excellent power-saving,” the analyst wrote in a tweet.
According to The Verge, most tablet-style foldables on the market pair a large folding inner display with a smaller outer display for quickly checking notifications.But existing devices like the Samsung Galaxy Z Fold 3 or the Oppo Find N use OLED panels for both.
Apple’s use of an E Ink screen would almost certainly make for a less responsive outer display with fewer colours but, as Kuo notes, it could be far more power-efficient, the report said.
Although E Ink is best known for its monochrome displays that Amazon uses in its Kindles, the company also has a line of colour screens, it added.
Most recently it announced E Ink Gallery 3, a new version of its colour E Ink technology that’s capable of producing more colours at a higher resolution.
It can also refresh far quicker than the company’s previous colour screens, although it’s still nowhere near as responsive as an equivalent OLED or LCD panel.
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