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Home / News / Technology News / Thanks to Corning, future foldable phones could be more durable
Technology

Thanks to Corning, future foldable phones could be more durable

Thanks to Corning, future foldable phones could be more durable
Written by Mudit Dube
Mar 08, 2019, 07:05 pm 2 min read
Thanks to Corning, future foldable phones could be more durable

Considering how foldable devices combine a phone-cum-tablet experience in a pocket-friendly form factor, they are an interesting segment. However, these futuristic looking devices come with a major concern (apart from the astronomical prices) of screen durability. And to solve this complex issue, Corning is developing a flexible glass that will offer better scratch resistance and durability on future foldable devices. Here's everything to know.

Foldable
Understanding foldable phones: The design

Foldable phones are nothing but flexible displays, packed neatly in a glass or plastic chassis along with a bunch of camera sensors and battery. These flexible displays allow OEMs to have in-folding or out-folding designs that offer functional states of a phone and tablet. However, given these displays are made up of plastic polymers, they aren't as durable as Gorilla Glass on modern-day smartphones.

Flexibility
Why OEMs are choosing plastic polymer over glass?

While glass is the go-to option for regular smartphones, it isn't optimal for flexible displays. Presently, a glass can either offer high flexibility or durability. However, it can't offer both. Moreover, it is challenging to put transistors on a flexible glass and yet make it durable because glass is toughened using ion-exchange process wherein salt components damage display transistors essential for flexible screens.

Durability
But plastic polymers come with their own limitations

While plastic polymer offers good flexibility, they are much less hard than glass. Hence, they are more prone to scratches and abrasion, even with your nails. Further, unlike glass, the plastic displays will crease over time. This means, with repeated use, your premium foldable phone may be left with a large unfolding display.

Flexible glass
Here's what Corning is working on

Corning's Senior VP John Bayne said the company is using its highly-flexible Willow Glass and the durable Gorilla Glass to ready an "ultrathin, bendable glass that's 0.1-millimeters thick and can bend to a 5-millimeter radius." Bayne noted that Corning's glasses are functional but they don't meet all the requirements. However, they will be ready in a couple of years when foldable phones go mainstream.

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Mudit Dube
Mudit Dube
Twitter
Mudit Dube is a technology and automobile editor at NewsBytes. He also manages the in-house news writing software, YANTRA. With an experience of nearly five years, his work focuses on daily news trends, explainers, reviews, and developing technologies. He has a postgraduate diploma in Journalism from the Asian College of Journalism and has previously worked with NewsX, a 24-hour english news channel.
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