A flexible screen allows a mobile phone to bend and stretch, making it more durable. Flexibility also allows for new input methods. For example, you could flex the phone backwards or forwards to zoom in or out, to enlarge or reduce text size, and so forth.But perhaps the biggest advantage with this technology is it gives you a greater screen to phone size ratio.
A limitation with current mobile phones is that if you want a bigger screen display, you need to have a bgger phone. The bigger the phone - the less convenient it is to carry.
But with flexible screen technology, mobile phones with large screen displays can be bent, folded or rolled-up into a compact size to fit any pocket.
The idea of bendable phones has been around for awhile but the touch screens in use couldn't tell the difference between the touch of a finger, a stretch, or a bend.
However, a recent breakthrough by scientists at the University of British Columbia (UBC) in Vancouver, Canada may have solved this problem.
John Madden, a research scientist at the Massachusetts Institute of Technology (MIT) before joining UBC, has developed with his team of engineers a new transparent touch-sensitive flexible screen. The screen is made from a type of hydrogel - a material similar to that used to make soft contact lenses.
What is unique about this latest invention is that electrically charged molecules flowing through the hydrogel projects an electric field beyond the flexible screen. When finger(s) approach the display, it can detect and distinguish them from a stretch or bend in the screen.The hydrogel flexible screen is then connected to an electronic operating system and embedded into thin silicone rubber to create a bendable phone or tablet.
According to Madden, their hydrogel flexible screen is not soft or weak like how most people think of gels, but very tough (it's been used to replace cartilage), can stretch 20 times its size and is inexpensive to manufacture.
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