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Organic light technology hailed
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Organic light technology hailed

2008-06-20
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A technology being hailed as the future of home lighting is more energy-efficient than fluorescent lights, according to a US firm.

A technology being hailed as the future of home lighting is more energy-efficient than fluorescent lights, according to a US firm.

Universal Display has created a panel of organic light-emitting diodes (OLED) which produces 102 lumens per watt of electrical power. Most fluorescent tubes produce 50-90 lumens per watt.

The US department of energy has set a target of 150 lumens per watt for a commercial OLED by 2015 and has given funding to Universal Display towards its research. General Electric Company is also in the race to produce a commercial OLED lamp.

OLED lamps are made by depositing a thin layer of organic compounds on a sheet of glass or plastic, which then glows when an electrical current is applied.

They are already used in mobile phone displays and in one Sony television model.

Several problems need to be ironed out with OLEDs before they are practical for commercial use. The panels dim within a few hundred or thousand hours of use and they are difficult to manufacture in large quantities.

Copyright © The Press Association 2008


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