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Flexible

Still images drawn with the 'nano-pixel' technology that each measure around 70 micrometre...

The Retina displays featured on Apple's iPhone 4 and 5 models pack a pixel density of 326 ppi, with individual pixels measuring 78 micrometers. That might seem plenty good enough given the average human eye is unable to differentiate between the individual pixels, but scientists in the UK have now developed technology that could lead to extremely high-resolution displays that put such pixel densities to shame.  Read More

LG Display's new flexible OLED panel can be rolled up to a radius of 3 cm

After unveiling the world's first flexible OLED TV at CES earlier this year, LG has gone a step further with the unveiling of two new 18-inch OLED panels: the first is a transparent display, while the second can be rolled up. Although both fall short of the 77-inch flexible TV on show at CES, the company says the new panels prove that it has the technology to bring rollable TVs with screens in excess of 50 inches to market in the future.  Read More

A sheet of clear polymer treated with the new electrode coating

Chances are that the touchscreen on your smartphone or tablet incorporates a coating of indium tin oxide, also known as ITO or tin-doped indium oxide. Although it's electrically conductive and optically transparent, it's also brittle and thus easily-shattered. Scientists at Ohio's University of Akron, however, are developing something that could ultimately replace the material. They've created an electrode coating that's not only as transparent and more conductive than ITO, but is also far tougher.  Read More

Researchers have created wires with supercapacitance, which may eventually also double as ...

We literally live in a wired world, with wires snaking hither and yon transmitting electricity and data. Many are visible, while many more are hidden in the walls of buildings, the panels of cars, and the fuselage of aircraft. Now, imagine; what if we were able to turn each and every one of these into a battery that not only transmitted electricity but stored it too? Well, two researchers from the University of Central Florida (UCF) imagined that too, and came up with a way to use nano-technology to make wires with supercapacitance that may eventually also double as batteries.  Read More

Solar cells created from ultra-thin layers of quantum dots (Photo: Chia-Hao Chuang, Depart...

Flexible, inexpensive, large-area, lightweight solar cells are difficult to produce as they require an inert atmosphere and high temperatures, and they often degrade in a short time after exposure to air. Researchers at MIT, however, have used a new method to craft solar cells from ultra-thin layers of quantum dots in a process that promises to avoid these problems, and at room temperature. At the same time, they have also set a new record of nine percent for the most efficient quantum-dot solar cells produced to date.  Read More

These implantable shape changing transistors can grip nerves and tissues, changing shape w...

A multinational group of scientists has developed implantable shape-changing transistors that can grip nerves, blood vessels and tissues. According to the researchers, these soft electronic devices can change shape within the body, while still maintaining their electronic properties, allowing them to be used in a variety of applications and treatments.  Read More

The PaperFold smartphone prototype allows up to three separate E-Ink displays to be combin...

Long before Korean electronics giants LG and Samsung rolled out smartphones with curved displays in the form of the G Flex and Galaxy Round, the team from the Human Media Lab at Canada's Queen's University created the Paperphone, a fully-functioning flexible smartphone prototype featuring a thin film E-Ink display. This was followed by the PaperTab tablet and MorePhone smartphone prototypes. Now the foldable PaperFold smartphone has joined the fold.  Read More

Microscope photo of tungsten diselenide samples connected to electrodes

Graphene, the two-dimensional lattice of carbon atoms, may be the wonder material du jour, but ultrathin layers of other elements are also proving to be an exciting area of research. One-atom-thick sheets of germanium and tin have shown potential as semiconductors and a topological insulators respectively, and now ultrathin layers of tungsten and selenium have been used to create a diode that could be used in ultrathin, flexible, semi-transparent solar cells.  Read More

One of the flexible, stretchable optical interconnections

If flexible electronic devices are ever going to become practical for real-world use, the circuitry incorporated into them will have to be tough and resilient. We're already seeing progress in that direction, including electrical wires that can still carry a current while being stretched. However, what if the application calls for the use of fiber optics? Well, scientists from Belgium may have that covered, too. They've created optical circuits utilizing what they believe are the world's first stretchable optical interconnections.  Read More

A close view of the nanomesh (inset)

We're coming just that much closer to electronic devices such as TV screens that can be rolled up in a tube, or phones that can be folded up and stuffed in a pocket. Scientists at the University of Houston have created a gold nanomesh material that is conductive, transparent and flexible – a combination that they claim has never before been achieved.  Read More

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