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光的设计-奥迪汽车的LED照明设计

字号+ 作者:奥迪 来源:奥迪 2010-12-30 我要评论

介绍了如何在新兴的LED照明技术已影响到近期的奥迪车型的设计,成为一个重要的造型元素,以及如何LED将在未来改变未来汽车的照明理念

An official document that describes how the emerging LED lighting technology has affected the design of the recent Audi models, becoming an important styling element, and how LEDs will change the vehicle’s lighting concept in the next future.VDh工业设计

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Five years ago, at the North AmericanVDh工业设计
International Auto Show in Detroit, Audi presented the Pikes Peak quattro concept study.VDh工业设计

This SUV, which provided the inspiration for today’s Audi Q7, had the world’s firstVDh工业设计
fog lights equipped with high-performance light-emitting diodes.VDh工业设计

Integrated into theVDh工业设计
broad bumper as striking strips of light, the fog lights were also aesthetically pleasing and veryVDh工业设计
popular with the public. Soon thereafter, the 12-cylinder Audi A8 went into series production as the world’sVDh工业设计
first vehicle with LED daytime running lights.VDh工业设计

Today all new AudiVDh工业设计
models are recognizable at a glance thanks to LED daytime running lights, not only during the day but also at night.VDh工业设计

Each Audi has its own personality in terms of lighting: the Audi A4 has a sweeping light strip which expresses elegance, while that of the Audi R8 radiates strength and dominance.VDh工业设计

Audi A4 LED HeadlightVDh工业设计

Audi R8 LED Headlights
Audi A4 Audi R8
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The LED technology

A light-emitting diode, or LED, is a semiconductor deviceVDh工业设计
just a square millimeter in size – which can convert electrical energy directly into light with a very high efficiency.VDh工业设计

Audi Q5 LED Exploded Drawing Audi Q5 LED Technical Drawing
Audi Q5 – Technical illustrations of the LED lighting units
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The first LED headlights introduced with the Pikes PeakVDh工业设计
concept generated 18 lumens per watt.VDh工业设计

For the sake of comparison, an ordinary household light bulb generatesVDh工业设计
about 20 to 25 lumens per watt. A modern passenger vehicle’s xenon headlights, onVDh工业设计
the other hand, are very energy-efficient and create some 80 lumens per watt.VDh工业设计

Audi Shooting Brake Concept Audi Shooting Brake ConceptVDh工业设计

The next generation ofVDh工业设计
white high-performance LEDs will hit the market next year with 100VDh工业设计
lumens per watt
, thus surpassing the efficiency of xenon lights for the first time.VDh工业设计

Today’s xenon and LED headlights are four times more energyefficientVDh工业设计
than halogen headlights.VDh工业设计

By 2018, LED technology should be about eightVDh工业设计
times more efficient than halogen light. In addition, LEDs excel due to their practically indefinite service life and react up to ten times more quickly than traditionalVDh工业设计
incandescent bulbs.VDh工业设计

“Light-emitting diodes are similar toVDh工业设计
computer chips. Every two years there’s an increase in output of about 30 percent,”
explains Berlitz, “and we’ll soon be able to create so much light with LEDs thatVDh工业设计
entirely new applications will become possible.”
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Audi Q5 LED RenderingDigital light, as Berlitz calls this new light technology, can be made more or less brightVDh工业设计
electronically and precisely adapted to a driver’s needs. Audi developers areVDh工业设计
convinced that future generations of headlights will react to weather conditions, aVDh工业设计
vehicle’s speed, the distance between vehicles, and potentially dangerous objects.VDh工业设计

Developers tightly bundle several light-emitting diodes to create modules known as LEDVDh工业设计
arrays
.VDh工业设计

These arrays are extremely flat, very compact and require much less spaceVDh工业设计
than conventional light sources such as halogen bulbs or xenon burners.VDh工业设计

Because ofVDh工业设计
this, and thanks to reflectors as well as sophisticated electronic controls, it is possibleVDh工业设计
to realize very complex lighting functions in the tightest of spaces. Cornering light, forVDh工业设计
example, has traditionally been executed via complex mechanical means inVDh工业设计
headlights.VDh工业设计

Energy Efficiency

Audi TTS RoadsterLEDs can also reduce a vehicle’s fuelVDh工业设计
consumption. Vehicles’ conventional low-beam headlights, taillights, and license-plateVDh工业设计
illumination consume some 200 watts – which the alternator must constantlyVDh工业设计
generate.VDh工业设计

By comparison, a mere 15 watts is required to power the new Audi A4’sVDh工业设计
LED daytime running lights, that equates to a decrease of about 0.2 liters ofVDh工业设计
fuel per 100 kilometers and about 4 grams fewer CO2 emissions per kilometer.VDh工业设计

This advantage will be more and more evident when daytime running lights become mandatory in the European UnionVDh工业设计
in May 2011.VDh工业设计

LED lights in design

The tiny light sources present designers with spectacular opportunities. Stefan Sielaff,VDh工业设计
Audi’s Head of Design, explains: “LEDs unlock the door to unrealized designVDh工业设计
possibilities for exterior design and interiors alike.”
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Audi A1 Sportback Concept Design Sketch Audi A1 Sportback Concept Design Sketch
Design sketches of the Audi A1 Sportback Concept
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For example, a number of lightemittingVDh工业设计
diodes can be combined to create various shapes, which can ultimately resultVDh工业设计
in a distinctive visual appearance.VDh工业设计

Audi LED Lights Design Sketch Audi LED Lights Design Sketch
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The taillights of the Audi A6 Avant are likely theVDh工业设计
best-known example of any tail end. These light-emitting diodes in a ring-shaped array have become every bit as instantly recognizable as the sweeping LED daytimeVDh工业设计
running lights at the front end of the Audi A4.VDh工业设计

Audi A6 Avant Tail Light Audi A6 AvantVDh工业设计

Headlights naturally play a pivotal role in a vehicle’s light design. An appealing front end with one-of-a-kind lights makes a car as well as its personality and the brand recognizable at a glance.VDh工业设计

Sielaff adds: “LED daytime running lights epitomize this fact.VDh工业设计
Every light design is different, yet there’s no mistaking that every single vehicle is anVDh工业设计
Audi.
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"Our daytime running lights cemented the visible persona of Audi models on theVDh工业设计
road and hone our progressive, sporty design.”
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Bear Light ConfigurationToday different configurations of LED daytime running lights now permit distinctVDh工业设计
differences among the Audi models – even in the dark.VDh工业设计

A strip of light can beVDh工业设计
designed to underscore a vehicle’s character, just as eyeliner emphasizes an eye.VDh工业设计
This fundamentally alters the body language of Audi models.VDh工业设计

“The lighting configuration of yesteryear – the radiator grille along with the round lights – called toVDh工业设计
mind the face of a friendly bear,”
notes André Georgi, Senior Designer of LightingVDh工业设计
Systems.VDh工业设计

“The LED daytime running lights for the A Series, e.g. on the A4VDh工业设计
and A5, look determined, elegant, and dynamic.
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"The lights on the Audi Q5 and AudiVDh工业设计
Q7 appear especially broad and powerful.
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"And the LED daytime running lights on theVDh工业设计
R8 symbolize the horns of a bull charging full speed ahead, bursting with vigor and pride.”
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Bull Light ConfigurationThe Audi R8 is the spearhead of Audi’s lightVDh工业设计
strategy and is optionally available with the world’s first all-LED headlights.VDh工业设计

In additionVDh工业设计
to the daytime running lights, the turn signals as well as low-beam and high-beamVDh工业设计
headlights are all executed by means of light-emitting diodes.VDh工业设计

Huhn explains: “A lot of peopleVDh工业设计
initially viewed this development as a mere marketing gimmick. Yet everyone who hasVDh工业设计
seen these lights in action is not only astonished by the excellent output, but alsoVDh工业设计
thrilled with the homogenous distribution of light and the agreeable, daylight-esqueVDh工业设计
color of the light."
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Audi R8 LED Headlights Audi R8 LED Tail Lights
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Audi’s light strategy also benefits from something quite different, namely aVDh工业设计
psychological phenomenon: “Bright light created by small, compact light sources isVDh工业设计
unpleasant for the human eye. The combination of headlights and LED daytimeVDh工业设计
running lights enlarges the light source, thus eliminating a nuisance,”
explains Georgi.VDh工业设计

Ideas and visions

Huhn Georgi Berlitz From left to right: Dr. Wolfgang Huhn, Head of the Light and Visibility VDh工业设计
Department, André Georgi, Senior Designer Lichtsysteme and VDh工业设计
Stephan Berlitz
, Head of Lighting Technology and ElectronicsVDh工业设计

At Audi theVDh工业设计
design process is initiated by developing and defining a vehicle’s character. The lightVDh工业设计
designers and engineers from Technical Development play a hands-on role in thisVDh工业设计
process from the word go. For example, one of the engineers – fittingly nicknamed “The Bridge” by his colleagues – works right in the middle of the Design Department.VDh工业设计

Conversely, a lot of the technically relevant headlight components are designed byVDh工业设计
Technical Development. This close rapport ensures that the departments confer withVDh工业设计
one another every day.VDh工业设计

As a vehicle’s exterior takes shape, the proportions of the headlights and the taillightsVDh工业设计
are defined. Georgi says: “It’s a truly intensive process for us to develop newVDh工业设计
headlights; every idea and every vision from Technical Development and DesignVDh工业设计
come together.”
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Audi’s light designers turn to industrial design and architecture when they requireVDh工业设计
inspiration for new ideas.VDh工业设计

Audi A6 Rear End Audi A6 Tail Light
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In fact, more and more architects are integrating high-tech LEDs into their plans for new buildings, thus joining a worldwide shift toward energy-efficient lighting.VDh工业设计

Experts forecast that LEDs, energy-efficient and maintenance-freeVDh工业设计
sources of light, will also become the first choice for indoor lighting.VDh工业设计

Audi LED Lights Design SketchAnother source of inspiration for light designers is nature.VDh工业设计

“Nature often shows us the way, allowing us to learn just how simply and effectivelyVDh工业设计
processes can be executed,"
explains the light designer Georgi.VDh工业设计

The most recentVDh工业设计
example of this is the taillights we developed for the Audi A1 Sportback Concept, which was inspired by theVDh工业设计
lattice structure of a dragonfly’s wing.VDh工业设计

The design of the taillights impressivelyVDh工业设计
demonstrates the relative simplicity required to construct a very large, stable and lightVDh工业设计
surface.VDh工业设计

Georgi says: “With our bionic design, we transferred this constructionalVDh工业设计
conception to the Audi A1 concept’s taillights, which needed to be lightweightVDh工业设计
because they are integrated in the tailgate.”
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Audi A1 Sportback Concept Audi A1 Sportback Concept
Audi A1 Sportback Concept
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The headlights of the Audi A1 Sportback Concept are an additional illustration of nature permeating Audi design.VDh工业设计
Reminiscent of an open pine cone, reflector shells arranged successively inVDh工业设计
concentric circles harness the light of each individual diode to create lighting which isVDh工业设计
powerful and consistent.VDh工业设计

The headlights in the middle, on the other hand, are shapedVDh工业设计
like blossoms.VDh工业设计

The future

Berlitz Stephan Berlitz, Audi Head of Lighting VDh工业设计
TechnologyVDh工业设计
and ElectronicsVDh工业设计

Audi developers think that the future generations of headlights will provide "the right light for every driving situation".VDh工业设计

Huhn explains: “We’re striving toVDh工业设计
create intelligent headlights and taillights which think and anticipate in the interest ofVDh工业设计
enhancing a driver’s safety and comfort.”
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For example, there are already high-beamVDh工业设计
headlights in pre-series development which will allow drivers to navigate roads atVDh工业设计
night without temporarily blinding oncoming drivers.VDh工业设计

This is made possible by aVDh工业设计
variable distribution of light: An electronic system continuously calculates the distanceVDh工业设计
to any approaching vehicles to ensure that the road ahead is ideally illuminated at allVDh工业设计
times – without irritating oncoming drivers.VDh工业设计

Interior lighting

LEDs also present new opportunities for interior lighting. Similar to interiorVDh工业设计
architecture
, lighting scenarios are imaginable which would make it safer to operateVDh工业设计
the vehicle at night, render the interior considerably roomier, or impart a certainVDh工业设计
atmosphere.VDh工业设计

The optional interior lighting package with ambient lighting in the Audi A8 is an example. It gives theVDh工业设计
possibilities for customizing the interior lights: the driver can dim the light andVDh工业设计
configure various lighting profiles via the MMI.VDh工业设计

Andre Georgi André Georgi, Senior Designer of Lighting System at AudiVDh工业设计

These profiles respond as appropriateVDh工业设计
to certain driving situations – when a vehicle’s interior is illuminated by lighting withinVDh工业设计
cities, for example, or becomes dark on unlit rural routes.VDh工业设计

When it comes to the lighting in vehicle interiors, developers are confronted with fewVDh工业设计
limits. Safety and comfort are top priorities.VDh工业设计

Berlitz explains: “Think of a mountain hutVDh工业设计
at night. As you’re passing through an alpine meadow, you spot the warm lightVDh工业设计
glowing through the hut’s windows. The light triggers that same cozy sensation youVDh工业设计
feel when you arrive home.”
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“Just imagine: You press a single button on your remote controlVDh工业设计
and the entire vehicle springs to life. The ‘headlight eyes’ awaken and an inviting lightVDh工业设计
fills the vehicle’s interior as if to say: Welcome home!”
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