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New generation plastic OLEDs developed
Tuesday November 01, 2011 07:54:10 PM,
IANS
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Toronto: Researchers
have developed the world's most efficient organic light-emitting
diodes (OLEDs) in plastic. OLEDs provide high-contrast and
low-energy displays and are becoming the dominant technology for
advanced electronic screens.
Current state-of-the-art OLEDs are produced using heavy-metal
doped glass in order to achieve high efficiency and brightness,
which makes them expensive to manufacture, heavy, rigid and
fragile, the journal Nature Photonics reports.
"For years, the biggest excitement behind OLED technologies has
been the potential to effectively produce them on flexible
plastic," says Zheng-Hong Lu, professor of materials science and
engineering at the University of Toronto, Canada, who supervised
the study.
They are already used in some cell phones and other smaller-scale
applications, according to a statement from the university.
Plastic use can substantially reduce the cost of production, while
providing designers with a more durable and flexible material to
use in their products.
The research was led by doctoral candidates Zhibin Wang and
Michael G. Helander, who demonstrated the first high-efficiency
OLED on plastic.
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