LED development forecast in the field of automotive lighting


Automotive light sources play an extremely important role in the field of lighting, and their output accounts for about 10% of the total output of the entire lighting source. Before the general lighting LED technology is still mature, the automotive market is the most promising LED.

Application field

The LEDs for vehicles can be divided into external use and internal use of the automobile. The interior includes indicator lights such as instrument panel, air conditioner and audio, and internal reading lights; external use includes third brake lights, tail lights, direction lights, side lights, and the like.

At present, almost all car manufacturers using LEDs in the whole car are European companies. In terms of LEDs for external lighting, European and Japanese cars have changed the ratio of third brake lamps to LEDs by more than 80%.

At present, in addition to the car headlights, there are only a small amount of problems such as distance and brightness. It is common to use LEDs for interior and exterior lighting of automobiles. According to foreign surveys, the global automotive LED market will reach US$3 billion in 2004, with a compound annual growth rate of 80%.

China has already stipulated that all vehicles on the expressway must be equipped with LED fog lamps. In the future, after the LED price gradually declines, other lamp modules will inevitably use high-brightness LEDs as the light source.

market prediction

The main growth driver of LED in the automotive market is to replace the original indicator light and bulb lighting. If a car is replaced by LED, the internal and external LEDs need to use 200-300 LEDs.

In 2005, China's automobile production and sales increased by 20% over the previous year, and the total amount of production and sales exceeded 5.7 million, of which the production of cars reached more than 2.2 million. At the current LED level, it is expected that a car will require more than 300 LEDs.

It is generally believed that automotive LEDs will become the main market for LEDs in 3-5 years, and will generate an output value of about 1 billion yuan per year. The market will grow rapidly with the breakthrough of LED technology.



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