For a urgent response to highly impassioned appeal for green and sustainable development, led downlight which are amazingly long-lived, energy-saving are surprisingly faced with the public and surely predicted to wild replace HID which is mainstream of the market of cars as soon as possible in 2004. However, as classic saying goes ‘Failure is the mother of success.', LED bean lights faced the severe situation that its number of exhibits were fast decreasing after experiencing the royal exhibition of its trail products which seriously promoted the seemly advanced level and the proud advancement of LED technique in 2005, thanks to the revise of the standard of the usage of the LED bean lights and a great quantities of problems.
With the quick development of technology, LED bean lights is continuously solving problems and perfecting its high-end technique and the market of LED bean lights is going to two extremes: high-functioning type used in the high-end cars and popular type used in the low-end cars.
Either high-end cars or low-end cars are concerned with the problem of releasing heat. To make certain enough luminosity reaching the standard of the usage of LED bean lights, car manufacturers usually take advantage of LED bean lights with high light intensity, which produces a great amount of heat, meanwhile they also compactly fix up LED lights, leading to the reduction of the area of releasing heat. Although little heat gathers on the tiny pieces to conduct and release, the temperature of LED lights is suddenly rising because of the dramatically small thermal capacity of LED lights. What's a pity that the working temperature of LED lights must be controlled under 150 ℃! The solution of this problem wild utilized is that a LED light bean uses a large number of LED lights, leading to a smaller calorific value per piece, and fixes all LED lights in a bigger room to easily release heat, which is applying to Toyota LS600. Compared with the solution used in Toyota LS600, that Cadillac Escalade platinum makes use of individual and automatic heat sink- cooling fan to deal with releasing heat is more brilliant. However, Hella put forward a marvelous strategy ‘heat management strategy'- in terms of heat conduction, they have the aid of the heat pond to absorb heat produced through LED lights; when it comes to ventilation, a built-in fan is used to release heat, which is setting a safe work model and prominently suppressing the level of releasing heat while the luminance of light is slightly affected through lower power supply.
What's more, various standards of the usage of bean lights in different countries are also a big problem, which can never be ignored. The United States is the first one who admits that LED bean lights conform the safety standard FMVSS, which means that cars with LED bean lights can be freely traded in the American market, while Japan following America declares that LED bean lights conform the safety standard. However, that LED bean light conforms the safety standard is not admitted in all Europe except LED bean light used in LS600h. In conclusion, the market of LED bean light is really limited. Only do all the world promise the use of LED bean light, the base of spread of LED bean light will be completely set up and the lot sizing production will accomplish.
Although there are many severe problems blocking the way to develop and spread LED bean light, the advantage of LED bean lights is a dazzling point. LED bean lights can dramatically change the design of cars and lead to decoration of cars becomes more flexible and individual, which will bring a huge storm to car industrial, which is the LED panel lights, bringing a violent revolution of design of rooms..
Generally speaking, although problems still block the way to develop and spread LED bean light, a huge manufacturers' effort are put and have already solve a range of the difficulty and the dazzling point of LED bean light will bring a storming revolution of design of cars. LED bean light will replace other kinds of bean light and finally become a powerful chief in car industrial, as LED panel lights just did it.
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