Energy-Efficient Diodes Promise Bright Futures
Posted on: Thursday, 14 May 2009, 06:35 CDT
Organic light-emitting diodes (OLEDs) – a material used in the composition of flat-screen TVs, laptop computer screens and mobile phone displays – has been reformulated by a team of German scientists to have more flexible, energy-efficient supplies of white light, the Associated Free Press reported on Wednesday.An article by Sebastian Reineke and colleagues of Dresden’s Technical University was released in a publication of the British journal Nature, accounting their accomplishment of successfully modifying the internal make up of a white-light OLED to minimize internal energy loss and bolster photon output.
Reineke indicated the measurement of brightness in the improved version yielded 90 lumens per watt of electricity consumed.
A conventional incandescent light bulb by comparison, yields 15 lumens, and between 50 and 70 lumens per watt for modern compact fluorescent light bulbs.
Reineke suggests OLED screens could be purposeful to give light to a room or for reading, if only they defeat two obstructions that keep the product from being viably marketable.
Increasing the lifespan of imperative components termed “blue emitters”, firstly, and then secondly, attain economy of scale in fabricating, he said .
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Source: redOrbit staff
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