Lightweight and energy efficient OLED lights could signal the future of production rear lights and even brake lights or indicator units

  • Matrix OLED technology makes its debut in a concept car at the IAA
  • Light attains a new level of homogeneity
  • Flat light sources open up new design possibilities

Audi is presenting the next step in its pioneering automotive lighting programme at the IAA in Frankfurt. The Vorsprung durch Technik brand is forging ahead with new Matrix OLED lights that open up further creative opportunities for design due to their thin and flat composition and significantly increased homogeneity, which makes them even more adaptable within today’s lighting installations than point light sources like conventional LEDs.

As the leading brand in automotive lighting technology, Audi has systematically developed all aspects of OLED technology over the years. Matrix OLED lights are a perfect synthesis of high tech engineering and design – initial projects are currently underway to implement OLED technology in production rear lights. They are being shown for the first time in a concept car at the IAA.

In each Organic Light Emitting Diode or OLED unit, two electrodes – of which at least one must be transparent – incorporate numerous thin layers of organic semiconductor materials. A low DC voltage – between three and four volts – activates the layers, each of which is less than one thousandth of a millimetre thick, to light them. The colour is based on the molecular composition of the light source.

In contrast to point light sources – such as LEDs – which are made of semiconductor crystals, OLEDs are flat light sources. Their light attains a new level of homogeneity, and its dimming is continuously variable. The lights do not cast any shadows and do not require any reflectors, light guides or similar optical components – and this makes the OLED units efficient and lightweight. In addition, they hardly need any cooling.

Progress in OLED technology is being made rapidly – in part due to the driving force of Audi. As soon as further increases in light density are realised, OLEDs will soon be able to generate turn signal and brake lights too. The thin glass sheets that are used today to encase the organic material will be replaced by plastic films. These new flexible substrate materials will lend themselves to three dimensional forming, and this will open up entirely new creative spaces for designers.

Audi has already shown the potential of OLED technology in many models and demonstrators. Special highlights are “OLED lighting” with transparent, multi-colored OLEDs in the silhouette of the car and “the swarm” with a three-dimensional OLED display.

Another benefit of OLEDs is that they can be subdivided into small segments that can be controlled at different brightness levels. In addition, different colours and transparent OLED units will be possible. This enables new lighting scenarios with extremely fast switchover times. The illuminated sub-surfaces exhibit very precise boundaries with one another. This is what distinguishes OLED technology at Audi, transforming it into the Audi Matrix OLED technology that supplements Audi Matrix LED and Matrix Laser technologies for headlights.

Article source: www.audi.co.uk

Laser diodes emit a monochromatic and coherent light with a wavelength of 450 nanometers. Naturally presenting a bluish shimmer, a phosphor-coated film covers the diode, creating a white light suitable for automotive applications.Even smaller than LED diodes, they’re just a few micrometers in diameter and come very close to the theoretical ideal of a high-output, point light source for use in cars.

In the Audi Sport quattro laserlight concept show car, which Audi displayed at the CES, the high beam produced by the laser diodes is three times as bright as the LED high beam. Because the light beam is tightly bundled, laser diodes are not currently suitable for wide, low-beam light.

Article source: www.audi.co.uk

 

What began in 1994 with the revolutionary Audi Space Frame® in the lightweight body of the Audi A8 is now used in almost all areas, combining lightweight materials with intelligent design principles and resource-saving production processes.

This turns the weight spiral around completely, because each lightweight component has an effect on other components, the dimensions of which can consequently also be reduced.

This means existing designs and materials are continually improved in terms of functionality, minimum weight and the production process.

Article source: www.audi.co.uk

The Audi quattro Cup is the largest amateur golf tournament worldwide. During 2014, Audi Centres from 52 different countries organised a total of 965 tournaments, with more than 100,000 amateur golfers participating.

Audi introduced the Audi quattro Cup in 1991 and it’s been running annually ever since. More than 1.4 million golfers have competed throughout the event's history, with participation numbers growing each time.

Article source: www.audi.co.uk

Three coveted trophies go to the Audi A3 Cabriolet, A6 and TT Coupé at this year’s Auto Express New Car Awards

  • Audi A3 awarded Best Cabriolet – priced from £26,125 OTR
  • TT wins Best Coupé category – pricing starts at £29,810 OTR
  • Best Executive trophy goes to the Audi A6 for the second consecutive year – available in SE, S line or Black Edition from £32,295 OTR
  • Audi A1 commended in Best Premium Small Car category

In another stellar year for Audi, three of its most popular models have received best-in-class honours in the annual Auto Express Awards. The enduring appeal of the Audi A6 and A3 Cabriolet has been enough to secure both models a second consecutive triumph this year as Best Executive Car and Best Cabriolet respectively, while the third generation TT, a newcomer to the awards, takes its first victory as Best Coupé.

Commenting on the hat-trick for Audi, Auto Express Editor-in-Chief Steve Fowler remarked: "These models are at the top of their game and it’s easy to see why they have garnered such high praise this year. Staying ahead of the curve in these hotly contested classes is no mean feat, but that’s exactly what the A6 and A3 Cabriolet have achieved for the second year in succession. The third generation TT is a new submission to our awards this year, and with even more clean-cut styling, a noticeably more sporting slant than its predecessors and the breathtaking virtual cockpit for good measure it’s a no less deserving recipient of a class award."

André Konsbruck, Director of Audi UK, added: "An Auto Express Award based on the opinions of the magazine’s respected road test team is highly valued by all of us at Audi, so to receive three simultaneously is particularly gratifying. Our wins bear testament to the relentless and very significant investment in product development which keeps Audi in the vanguard of automotive design, engineering and technology."

The Best Executive Car trophy is yet another testimonial for the Audi A6 and in particular the TDI ultra, which the esteemed magazine has named as its pick of the bunch. Just a few weeks ago an A6 TDI ultra set a new GUINNESS World Records title for driving to the most countries (14) on a single tank of fuel. The unmodified example completed a staggering 1158.9 miles and averaged 75.9mpg with no need for a fill-up at the pumps. This extraordinary economy return easily surpassed the official 67.3 mpg figure specified by the NEDC. Its EU6-compliant 2.0 TDI engine also emits just 109g/km of CO2 when fitted with the latest generation of S tronic transmission, which features an innovative free-wheeling function combined with start-stop technology to further reduce fuel consumption. Developing 190PS and 400 Nm between 1,750 and 3,000 rpm also equips the A6 Saloon with a 0-62 mph sprint time of 8.2 seconds and 144 mph top speed.

The 2.0 TDI ultra engine is also available in the A6 Avant, which offers an impressive 565 litres of luggage capacity and a maximum trailer load of 2,000kg. The increase in weight over the saloon is kept to a minimum thanks in part to GFRP springs fitted as standard on the rear - a first on an Audi series production model - and efficiency is remarkably well matched despite the extra space and practicality – up to 64.2 mpg combined is possible, corresponding to emissions of 114g/km.

TT goes straight to the top

In its very first year as a contender in the Auto Express New Car Awards, the all-new TT has impressed the judges enough to take the category win. An impressive 50kg lighter than its predecessor thanks to further advanced aluminium and steel hybrid construction around the Audi Space Frame, its revolutionary interior was the first to feature the stunning all-digital virtual cockpit that is now available for the new Q7 and will make its way into the forthcoming Audi A4. The renowned quattro all-wheel drive system can of course be specified in conjunction with the punchy 230 PS 2.0 TFSI engine, and as an alternative a front-driven ultra version featuring the 2.0 TDI unit with 184 PS is capable of 62.8mpg combined and 116g/km.

Another winning year for the A3 Cabriolet

Ranked at the very top of the Auto Express convertible list is the four-seat A3 Cabriolet. Along with its retractable fabric roof and three comprehensively equipped trim specifications (SE, Sport and S line), a broad range of TFSI and TDI engines are available. The most efficient is the frugal 1.6 TDI with 68.9mpg capability and 110 g/km CO2 output, and the most potent is the 300PS S3 Cabriolet, boasting a 5.4 second 62mph sprint time and 155mph top speed.

Article source: www.audi.co.uk

More Articles...

  1. The all-new Audi A4 – A haven of Vorsprung Durch Technik
  2. All-new Audi quattros ready to get to grips with Goodwood 2015
  3. Audi A6 ultra goes the distance and sets new world record
  4. Audi UK / BBC Watchdog / Oil Consumption – June 2015

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