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LED lights revolutionising automotive lighting

LED lights revolutionising automotive lighting

By BizLED Bureau

June 5, 2017: With advancements in LED lighting technologies, automotive lighting is also undergoing a revolution. LED lighting designers are not only looking at aesthetic looks, but also keeping in mind the safety factor on road, particularly at night.

LED lamps are being increasingly used as automotive lights because they can be smaller in size, cooler and use up less energy than other traditional automotive lamps.

Takes less space

LEDs can be packaged in smaller spaces. So the designers have many options to make the headlights and taillights in different shapes and sizes. The front of an Audi with sharply angled LED lights; the four circles of a BMW?s headlight system; and the vertical red strip of a Cadillac are good examples of aesthetic beauty of LED automotive lights.

The smaller size of LEDs enable the designers to use more number of bulbs in each headlight. These can then be turned on and off to create unique light patterns based on the conditions of the road and the traffic. This also ensures that the oncoming car headlights never blind other drivers, as they get optimal view of the road.

Safety issues

The automotive manufacturers are also banking on the safety issues of new generation cars as a major feature to sell their cars. So they are developing new ways of using exterior as well as interior lights. They are combining LED lamps with cameras to make a car?s headlights more than just a set of low and high beams. These LED lights can change light patterns to fit the different road conditions. Opel is offering this system in several of its models.

Opels’s AFL Plus model can sense the condition of the road and create nine variations of the beam pattern by using a rotating drum inside a xenon headlamp. It will be able to create 256 beam patterns.

Audi has been a leader in lighting technology. Its R8 has an optional laser high beam. Many of its vehicle come with LED-based high-beam matrix headlights.

There are other potential technologies as well that can provide even more efficient, safe lighting. Opel is currently testing headlights that will be able to respond to a driver?s eye movements, which are captured by an in-vehicle camera. The exterior cameras ensure that the beam?s pattern and direction do not change if the driver look at a billboard or his feet. Technology is advancing so fast that soon headlights will be able to project patterns, like a foot path on the road to help a pedestrian cross a dark street.

Car manufacturers and designers are also seeing the possibilities of organic LED (OLED) technology for car lighting. OLED lights can be manufactured in thin sheets, which gives the designers the choice to place light wherever they want on the car?s body. As OLED light sources take up even less space, a lot of space will be free for other uses. However, due to high OLED price, it will take some time more to be used as car lights.


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