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


Shrawan Raja, I'm the Founder & CEO of I love teamwork and talking about cars.

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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