Arizona State University Flexible Display Center (FDC) announced a breakthrough in flexible display technology on 25th of this February. This development is through the Flexible Display Center (FDC) and its partner E Ink Corporation and DuPont – Teijin Films Company’s efforts.
How does it work?
The flexible touchscreen display supports real-time user input by stylus pen using inductive Wacom touchscreen technology, and consumes power only when the electronic paper is activated. Once sketched on the display, information can be stored or sent wirelessly before erasing.
“We believe successful deployment of flexible touchscreen technology can stimulate a number of applications that will allow Army soldiers, and ultimately other users, to input, store or transmit real-time data from remote locations using ultra low-power displays that are rugged, sunlight readable, light-weight and thin,” said Nick Colaneri, director of the FDC. “This is an outstanding example of how the Flexible Display Center collaborates with our partners and other technology providers to create innovative solutions that address the rapidly growing market for flexible electronic displays.”
Flexible displays – when they arrive – will be a big leap from today’s liquid crystal displays (LCDs) and even organic light-emitting diode-based displays (OLEDs). When we Consider the difference in power consumption, the flexible displays will consume 100 times less power compared with LCDs. Even OLEDs, which are two to three times more efficient than LCDs, can’t match that kind of efficiency – says Priya Ganapati in FDC website.
The displays have thin-film transistor arrays on specialty polymer and thin stainless-steel substrates and use electrophoretic ink (E Ink), among other technologies, to render the characters. E Ink, from a Massachusetts Institute of Technology spinoff, is composed of tiny microcapsules, each of which has positively charged white particles and negatively charged black particles suspended in a clear fluid. Once a polarized electric field is applied, the particles move to the top or the bottom of the microcapsule, depending on the polarity of the charge. Alternating between the white and the black particles helps render characters and images on the screen. To form a display, the e-ink is printed on to a sheet of plastic, which is laminated to control circuitry.
“Touchscreen technology has become an important user interface in many portable electronic devices,” said Dr. Michael McCreary, VP of Research and Advanced Development at E Ink. “The ability to incorporate touchscreen capability into flexible E- Ink. Vizplex displays will enable a host of new applications that require shatter-proof displays.”
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