LED cut into the car market for many years, but because of insufficient brightness and cost reasons, has not been widely accepted. Currently used in high-end sedan market, Japanese automakers abroad, especially the application of the LED has been very extensive.

Automotive LED light under the application can be divided into lighting lamps, lighting lamps and decorative lights of three, with light indicator for the instrument backlight display, front and rear turn lights, brake lights, reversing lights, fog lights, reading lights and other functional areas. Decorative lighting is mainly used for automobile lighting color change, resulting in the role of external and internal landscaping.

In recent years, as part of the vehicle LED brightness problem solving and cost down, the application volume increased. Breakthrough is the most difficult in recent years been applied before the car headlights lighting applications, such as Japan’s top auto maker launched Lexus hybrid “LS600h” and “LS600hL”, Toyota cars in the world’s first production car equipped with a use white LED headlamps.

This LED headlights use five high-power white LED, can be expected that the brightness and light distribution pattern. While also promising to improve LED illumination had to use multiple factors, but through the use of multiple, not only improves the efficiency of white LED light, can also bring power control and HID headlights to the same level of advantage.

With the traditional vehicle than incandescent, automotive LED performance of many prominent advantages, mainly in the following aspects: First, long life. LED lamp life of up to 50,000 hours in theory, the actual life expectancy can reach 20 thousand hours, in general do not change during the life of vehicles, and better the life of incandescent bulbs car also 3000 hours -5 000 hours. Second, the energy saving. LED lights can be directly converted into light energy to electric energy, environmental protection, the effect is good, but incandescent bulbs can only put 12% -18% electricity into light energy.

General application, such as incandescent taillight power 21W, and the application of LED rear lights power is only 3W-5W;, and no delay. The start time of ordinary incandescent bulbs typically 100 ms -300 ms, while the LED’s start time is only tens of nanoseconds, start time is shortened. LED lights also have a light color selective large, resistance to vibration and impact resistance, low heat, and strong environmental adaptability advantages over incandescent lamps.

But the vehicle to get large-scale application of LED, there are still many obstacles, mainly:
1, compared with incandescent bulbs, the high cost of LED applications, LED in accordance with the quantity and quality of different prices for similar incandescent bulbs usually several times ten times the product range.

Although the high-power LED has already occurred, but the cost in direct proportion to its power, global automotive LED rate of decline in production costs will affect future large-scale vehicle application LED one of the main factors, due to end-consumers become increasingly demanding headlights look, and as the number of LED lights more and more applications, LED increasing the probability of problems, and therefore the reliability of LED product performance requirements higher.

Vehicle manufacturers are also increasingly demanding LED supplier harsh, with the automotive LED market is growing, the new supplier is bound to join more and more competition, and supplier of products of varying quality, is bound to affect the market reputation, thus affecting the final consumption needs. LED and incandescent lamps as long as the cost to the same level, apart from economic cars are outside the car will be a large scale application of LED.

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Category: Business Management
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