LED headlights for cars technology is so far only known as a semiconductor component. In the near future are expected to master the lighting system on the car, both for exterior and interior. Currently, LED lamps are widely used in cars and motorcycles, but limited to the rear combination lamps, brake, and turn signal lamps. As for the LED headlights for cars is still limited to certain premium cars. The first car that uses LED headlights for cars is the Audi R8.

With the onslaught of energy efficiency campaign and the pressing business of carbon dioxide emissions, the application of LED headlights for cars more attractive to car manufacturers. The reason is the electrical energy consumption only 19 watts for each lamp. For this reason, the lights and the car manufacturers now focus on developing full-LED headlights for cars. Previously, the headlights for cars are still a combination with xenon.

Energy efficient

“Compare with the halogen lamp takes 55 watts of energy or xenon, generally 35 watts,” explains Thomas Reiner (Director of Applications Osram, one of the famous auto lamp manufacturers in the world). Foreseen even with the continued development of LED headlights for cars will only require 15 watts of energy. Currently, the lamp manufacturers incentive to develop the LED Headlights for Cars in terms of lighting and other parameters in order to replace the conventional light bulb that is still used, both in exterior and interior.

Meanwhile, Automotive Engineering International (AEI) reported that Osram Opto Semicondutors Inc. towards the end of last year (2011) introduced a White LED light. Thus, the LED will be the main source of lighting for the automotive in the future. “The ability to remove the LED heat better than conventional lighting, such as xenon,” said Mike Godwin (Director of Visible LEDs Osram). Another advantage is the LED headlights for cars do not produce ultraviolet (UV) or infrared radiation (IR).

The light emitted is also cool. Precisely illuminate the object but not the heat raises. Therefore, the LED Headlights for Cars are ideal for sensitive objects. Automotive lamp socket cannot be a serious problem, such as halogen incandescent lamps today.

Improvement of LED Headlights for Cars

According to Strategies Unlimited, the agency analysis of the optical industry in the United States, the use of LED headlights for cars will grow very rapidly despite the current commonly used for daylight and a new rear combination lamps. But for the front headlights is estimated to grow 10 percent per year.

Meanwhile, Osram is also trying to continue to develop LEDs for lighting car interiors. Godwin said that with the smaller size of the LEDs and a longer lifespan, in the long term will dominate the segment of the interior lights.

Also expected, the instrument panel with LED lighting will dominate the cars that will be launched in 2015 as the price of LED lights will be cheaper. In addition, with a special chip design can be made of lights that can create a mood in the cabin. All of that certainly will make the LEDs more attractive, liked or sought after consumers.

“There are still a lot of creativity can be developed so that the lamp is more interesting. Which makes graphical format Welcome and Good Bye (farewell) in lieu of On-Off button functions” Godwin said.

The Character of LED Headlights for Cars

If given the power LED, the semiconductor surface will glow. The resulting color depends on the difference in the valence and conductivity properties of semi-conductor materials used. Example, for the LED with Aluminum Indium Gallium Phosphide (AlInGaP) produced gold color (amber). While the luminescence conversion process, the resulting white light. Blue diode combined with the converter material, blue and yellow, also will result white light.

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