New lighting puts a hole in energy saving light bulbs

 

University of Glasgow experts have unveiled a new light bulb which – they claim – will spell the end for traditional filament models within three years.

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The units, which use Light Emitting Diodes (LED) technology, use less energy than the currently wave of energy saving light bulbs.
 
LED technology is currently used in devices such as computers and mobile phones but has, up until now, not been bright enough for domestic lighting purposes.
 
The breakthrough comes as the researchers have found a way of making LED lighting brighter without using extra energy.
 
Commenting on the development, Faiz Rahman from the University of Glasgow said: "By making microscopic holes on the surface of the LEDs it is possible to extract more light, thus increasing the brightness of the lights without increasing the energy consumption. 

Nano-imprints for the home

He continued: "As yet, LEDs have not been introduced as the standard lighting in homes because the process of making the holes is very time-consuming and expensive.
 
"However, we believe we have found a way of imprinting the holes into billions of LEDs at a far greater speed but at a much lower cost."
 
The process has been made possible by the use of nano-imprint lithography which allows for the insertion of microscopic holes which allow more of the light to escape.
 
The project is being developed in conjunction with the Institute of Photonics and the University of Strathclyde in Glasgow.
 
 

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