Audi’s Matrix LED system features innovative turn signal technology; Debuts on the 2014 A8

Posted on Aug 14 2013 - 10:01pm by Shrawan Raja
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Audi has released new details on the Matrix LED headlight that debuts on the Audi A8 facelift at the Frankfurt Motor Show next month.

Audi A8 Matrix LED light blinker

Audi says other drivers can quickly and easily perceive the intention of the A8′s driver when he’s indicating a direction change.

The integrated turn signal lights is an assembly made of 18 light-emitting diodes arranged in a strip that is subdivided into seven blocks. Each taillight is made of 24 LEDs in eight segments, which indicate the turning direction.

Each block is activated sequentially at 20 millisecond intervals, from the inside to outwards in the desired turning direction. After 150 milliseconds, all segments are bright; for another 250 milliseconds they illuminate with full intensity. Afterwards, the blinkers go dark before repeating the lighting sequence.

Audi A8 LED headlight turn signal

Here’s a graphic released to show the sequence of operation of the indicator in the Matrix LED light.

Audi claims that this arrangement can help other drivers clearly and quickly perceive the signal activated by the driver.

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4 Comments so far. Feel free to join this conversation.

  1. Randall August 15, 2013 at - Reply

    In the USA, all 1965-66 Ford Thunderbirds were equipped with sequential turn signal indicators on the rear of the vehicle. Not such a new and innovative idea…

  2. Sandeep August 15, 2013 at - Reply

    I would call it an absolutely useless technology. What’s the difference it makes, when the lighting pattern is changed? It will only confuse other drivers, at least when seeing for the first time. To be frank, it reminds me about the pictures of Gods, which we saw in private buses long ago, having LEDs lighted like a running pattern.

  3. Swapnil R August 15, 2013 at - Reply

    Hmm conceptually looks amazing …
    Would turn out to be a treat to watch in reality !!!

    I loved da concentric turn signals on da older Passat’s rear as well ! :D

  4. Nihar August 14, 2013 at - Reply

    I wonder why is this a news at all?
    Ford’s Mustang has had *growing* turn signals since 2011 !

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