Communications of the ACM
Sussex Physicists Develop New Touchscreen Technology
University of Sussex researchers say they have developed a new touchscreen technology that overcomes the limitations of traditional display, phone, and tablet material.
Credit: brightonpictures.com
Researchers at the U.K.'s University of Sussex say they have developed a new touchscreen technology based on electrodes made from indium tin oxide (ITO) that overcomes the limitations of traditional display, phone, and tablet material.
The researchers have shown it is possible to produce pixels that are small enough for high-definition liquid-crystal displays (LCDs), such as smartphones and next-generation TV and computer screens.
The Sussex study examines some of the intricacies of patterning silver nanowire films to produce detailed electrode structures.
The researchers show for the first time that ITO is compatible with more demanding applications such as LCDs and organic light-emitting diode (LED) displays.
"In this research we have applied a mathematical technique to work out the smallest subpixel size we can make without affecting the properties of our nanowire electrodes," says University of Sussex researcher Matthew Large.
The researchers also demonstrated the incorporation of silver nanowires into a multi-touch sensor reduces production cost and energy consumption. "Silver nanowire and silver nanowire/graphene hybrids are probably the most viable alternatives to existing technologies," says Sussex professor Alan Dalton.
From University of Sussex (United Kingdom)
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