Forget foldable: These leaked images show a concept phone with a slide-out screen – CNET

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No folding here. The TCL prototype has a flexible display, but it doesn’t bend in half.

TCL is creating a phone prototype that has an expandable, slide-out display, CNET has learned, in a new twist on flexible screens. The company, which has also made foldable concept phones of its own, is exploring the slide-out design as an alternative to bending the phone in half like the Galaxy Z Flip and Motorola Razr. The goal, however, is the same: To give you a roughly 7-inch screen in a far more portable package.

Based on images that CNET obtained, the concept design looks like a standard phone, which then turns it into a tablet after you’ve pulled out the screen. It’s a novel design that TCL was planning to show off at Mobile World Congress this month, according to our trusted source. The world’s largest mobile show was canceled in response to health concerns regarding the global spread of coronavirus

TCL did not respond to a request for comment.

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The new TCL slide-out concept phone closed, left, and opened.

Poring over the photos, the design of this TCL concept phone appears to use one continuous display, with curved screens on either side. Between the center of the phone and the dual front-facing camera along the right side, there’s a break in the chassis where you can pull the two sides apart to expose the surplus screen. It’d be much like sliding back the sides of your dining room table to add a leaf that seats more guests. 

It isn’t clear exactly how the mechanism inside would work, but my best guess is that one portion of the flexible display bends or wraps behind the other. This might make the phone a little thicker than usual. 

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Look closely and you can see where the screen pulls out between the camera and the midline.

Seen from the back, the extended portion would have its own (nonglass) backing to support the display. It looks like the right (extended) side is a hair slimmer than the left, so there’s room to house the sliding portion of the device.

The slide-out screen design is intriguing because it achieves the same goal of teasing the screen real estate of a tablet from a device the size of a typical phone, without the complication of bending the device. This could allow it to have a single, more efficient battery, and could potentially solve the problem of the foldable phone’s telltale crease. 


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Without seeing it in person, it’s unknown what other design pros and cons might surface, or what the screen cover material is. I’d assume plastic like the Galaxy Fold, Huawei Mate X and Motorola Razr, but Samsung’s newly released Galaxy Z Flip has me hoping that the final version of this concept would somehow use glass. I’m not even sure if that’s possible without knowing more about how the extra flap of screen is stored.

The concept design appears to be based on the TCL 10 Pro (which itself looks an awful lot like the Galaxy S10), a beautiful, sub-$500 phone that TCL launched last month at CES.

With MWC off the table, there’s no saying when we’ll be able to get our hands on this new concept device.

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A back panel supports the slide-out portion of the phone.

Originally posted earlier this week.

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