More and more modern cars are equipped with LED lighting, but many cars are still driving around with halogen or xenon lamps. In addition, there are a lot of new developments. What exactly are the differences?
LED
The word LED stands for light-emitting diode. LEDs were invented as early as 1962, but are only now being used on a larger scale, including in cars. LEDs have the advantage that they have a large light output and are also energy efficient. The advantage for cars is that fuel consumption decreases and that the driver sees more on the road so that you can better anticipate the traffic situation. With approximately 15 percent of the energy, an LED lamp can produce just as much light as an old-fashioned incandescent lamp and is also 8 to 10 times more efficient than the halogen lamp.
OLED
The OLED technology is the latest development in the field of car lamps. OLED stands for Organic Light Emitting Diode. How does such a light system work? That is quite a technical story. Each OLED unit consists of at least two electrodes - at least one of which is transparent - and many thin layers of organic semiconductors. These layers light up thanks to a low DC voltage of 3 to 4 volts. Each layer has a thickness of less than a thousandth of a millimetre. The colour of the lighting is determined by the molecular composition of the light source. Unique to OLED is that they are flat light sources. LEDs, for example, are semiconductor crystals and are therefore not flat. Nice for a designer is that OLEDs are infinitely dimmable. Moreover, it is a compact light unit, because other optical components are unnecessary. This makes OLEDs efficient, light and requires hardly any cooling.
LASER LIGHT
Laser light Another new development in car land is the emergence of laser light. A disadvantage: naturally, laser high beam gives a blue glow. Not handy in traffic. This can be solved with phosphorus. Thanks to phosphorus, the blue light is converted into white light that is suitable for use in traffic. Laser light is brighter, more homogeneous and sharper and is therefore an ideal addition to LED headlights. Laser light is particularly useful for bend lighting because it can be aimed precisely.
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