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| Ahead of the curve: |
| Ahead of the curve: but bendable screens still seek breakthrough
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| UNITED STATES OF AMERICA
, 15-April-2013
1:59:1 AM |
| The touted arrival this year of wearable gadgets such as computer displays strapped to wrists and in wrap-around glasses is just a step towards a bigger revolution in screens - those that can be bent, folded and rolled up.
Once freed from today's relatively heavy, breakable and fixed glass displays, tomorrow's devices may look very different, with screens that can be rolled out, attached to uneven surfaces, or even stretched.
But there's still some way to go.
"It becomes a product designer's paradise - once the technology is sorted out," says Jonathan Melnick, who analyses display technology for Lux Research.
There is no shortage of prototypes - South Korea's Samsung Electronics this year showed off a display screen that extends from the side of a device - but obstacles remain: overcoming technical issues, figuring out how to mass produce parts cheaply, and coming up with devices compelling enough for gadget buyers.
Screen technology - and the global small display market is seen more than doubling to around $72 billion by 2016, according to DisplaySearch - is still dominated by liquid crystal displays (LCDs), which require a backlight and sit between two sheets of glass, making the screen a major contributor to the weight of a device, from laptops to tablets.
"Most of the weight in a tablet is the glass structure in the display and the support structure around it to prevent it from cracking," said Kevin Morishige, a former engineer at Cisco Systems Inc, Hewlett-Packard Co and Palm.
LCD's dominance is already under threat from lighter Organic Light Emitting Diodes (OLEDs) that don't need backlighting, are brighter, offer a wider viewing angle and better colour contrast - and can be printed onto a few layers.
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