Archive for the 'LED Stories' Category

Tesco’s ONE MILLION LED Christmas TV ad

Tesco has unveiled its 2014 Christmas campaign, “every little helps make Christmas”, featuring one of its flagship stores being illuminated by ONE MILLION LED bulbs.

The commercial shows customers and staff getting ready to celebrate the festive season by decorating Christmas trees and shopping for Christmas dinner, with Tesco staff helping them “every step of the way.”

But it’s the light show that really steals the show with what can only be described as the most spectacular lights show since the London 2012 Olympics.

In fact, it was the team behind the Olympic Games that transformed Tesco’s Wigan store into a festive delight with LED lights covering the 78m long, 7.2m high screen in front of the shop.

Amazingly the light spectacular was inspired by a Tesco customer, after she expressed her disappointment that the Tesco logo above her local store wasn’t decorated in a green Christmas party hat last year.

“I was taken aback when Tesco first approached me, said Claire Hannah. “I couldn’t believe my tweet had been noticed. It’s amazing!”

Blue LED inventor wins physics Nobel prize

A trio of scientists in Japan and the US creditied for for the invention of blue light emitting diodes (LEDs) has been awarded The 2014 Nobel Prize for physics.

The blue LEDs developed by Professors Isamu Akasaki, Hiroshi Amano and Shuji Nakamura helped produce bright, energy-efficient white light sources.

 Making the announcement, representatives of the Nobel Foundation emphasised the usefulness of the invention, adding that the Nobel Prizes were established to recognise developments that delivered “the greatest benefit to mankind”.

“These uses are what would make Alfred Nobel very happy,” said Prof Olle Inganas, a member of the prize committee from Linkoping University.

The committee chair, Prof Per Delsing, from Chalmers University of Technology in Gothenburg, emphasised the winners’ dedication.

“What’s fascinating is that a lot of big companies really tried to do this and they failed,” he said. “But these guys persisted and they tried and tried again - and eventually they actually succeeded.”

Psychedelic LEDs to be used in Corsair keyboards and mice

This summer, Corsair will introduce their range of RGB-branded Vengeance Series K70 and K95 keyboards featuring “Psychedelic LED lighting.”

On both keyboards, the Cherry MX RGB switches will allow for a choice of 16.8 million backlighting colours, not to mention animations.

The K70 RGB will hit the market in late July with a £100 asking price, that’s about £30 more than the current model. The K95 RGB will follow in late August priced at around £10 more than the existing, single-colour version.

Corsair is also prepping the M65 RGB, a version of its eight-button, 8,200-DPI gaming mouse with a similarly extensive choice of backlighting colours. The jazzy hues will come not from Cherry MX switches, but from strategically placed LEDs built into the mouse.

Either way, according to the manufacturer  you’ll be able to grab the M65 RGB mouse in late August for a little more reasonable price of around £40.

Scientists Develop LED That’s Thinner Than a Human Hair

Scientists in the US claim to have built what they describe as the “thinnest known” LED, which is smaller than the thickness of a human hair.

It’s believed that the minuscule bulb could be used in applications, small gadgets and mobile devices.

Scientists at the University of Washington (UW) said the LEDs are based on two-dimensional flexible semiconductors, making it possible to stack them and use them in much smaller and more diverse applications than present technology allows.

The ultra thin LEDs will also consume much less energy than the lamps currently being used.

Most consumer electronics devices use three-dimensional LEDs that are around 10 to 20 times thicker than this one.

“These are 10,000 times smaller than the thickness of a human hair,” said UW materials science and engineering graduate student Jason Ross.

“This is a huge leap of miniaturisation of technology, and because it’s a semiconductor, you can do almost everything with it that is possible with existing, three-dimensional silicon technologies.”

Xiaodong Xu is assistant professor of materials science and engineering at UW. He added:  “We are able to make the thinnest possible LEDs, only three atoms thick yet mechanically strong.

“Such thin and foldable LEDs are critical for future portable and integrated electronic devices.”

The scientists believe the technology could also open doors for using light as interconnects in nano-scale computer chips instead of standard devices that operate using the movement of electrons, or electricity.



Liverpool set to replace street lights with LED lamps

Thousands of street lights in Liverpool look set to be replaced in a programme which could save millions of pounds for the city

The city council will consider a recommendation that more than 20,000 of the existing yellow sodium lights, which have concrete columns, be replaced with LED bulbs on steel columns.

Although the scheme will cost in the region of £7m, it is seen as an investment which will ultimately bring significant savings – estimated to be around £2.7m over the first five years.

12,000 of the existing lights would be replaced during 2014/15 with the residential areas of the waterfront being targeted first - an area which has the greatest impact from salt and rain, causing the street lights to have the highest failure rate and generate the highest maintenance costs.

A second phase a year later would involve installing 8,000 LED lights in residential areas and replacing 1380 older lights along key routes in and out of the city.

Each phase is hoped to lead to an 82% reduction in energy consumption - producing savings of over £500,000 per year.

 “This is good news in every respect,” said Councillor Tim Moore, cabinet member for transport and climate change. “It means we will have improved lighting levels where we are introducing the new lights, making those areas safer.

“We will be a greener city as the level of CO2 emissions will be significantly reduced and night-time pollution will be cut.

“There will be long-term financial benefits to council taxpayers with energy and maintenance costs being significantly reduced. We will be using capital funding to pay for this programme but we really are investing in the city’s infrastructure to make considerable savings.”

A detailed assessment of the city’s remaining 36,000 street lights will be carried out with a view to them being replaced over a number of years.

If the programme is approved, the first phase is expected to take around eight months to complete.