LED lights coming era of universal
">The recent Geneva Motor Show, the introduction of the third generation of Audi LED headlamp TTCoupe formal meeting with the media, exquisite LED headlamps replacing the original Xenon lamp assembly to become a major highlight of the show.
One year spent similar, but each year a different car. Automotive technology is advancing rapidly, new technologies replace old technology. The direction of the development of the automobile industry is slowly towards intelligent and Green. Development of automobile lighting technology is also being true.
">In the past few years show, we can see some models configure a variety of colorful LED lights, attracting the attention of consumers.
">LED lights to create a "green light"
">Automotive Safety and Energy is the eternal topic of development, the core of modern automotive technology development.
Light signals are auto language timely sensitive light signals is indispensable to guarantee safe driving. While driving at night because the sight of poor judgment in front of the driver on the road to decline, the light is too bright or low light are likely to cause accidents. According to statistics the U.S. National Highway Traffic Safety Administration showed that while driving at night time only the total driving time of 1/4, but the proportion of traffic accidents resulting in deaths accounted for 1/2. In addition, the world automobile accidents statistics show that car accidents worldwide each year more than 10 million casualties, including deaths of about 500,000. The accident occurred three times during the day and at night, the accident rate of adverse lighting conditions when the light is good times when the lighting. "Because LED lights light speed, vehicle speed and road conditions in real time to reflect, leaving motorists longer time to judge according to the measured one hundred kilometers per hour, the car let shorten braking distance 7.5 meters after. Effectively prevent rear-end collision, reducing car accidents, active safety is of positive significance to improve the car. "industry experts said. In addition, LED controllable, such as light type illumination range, linear adjustable brightness can be done, but the traditional xenon lamp to die. In recent years, LED technology continues to develop, the technical shortcomings continue to be overcome, LED lights are more intelligent.
">For example, some models are equipped with LED headlights on the vehicle to detect radar and control the computer, even if the driver long open beam, the encounter will be automatically reduced to the car lights and even reduce the brightness of the light type.
Energy saving is another significant advantage of the large LED lights. According to the Ministry of Planning, at the end of 2015, automotive lighting carbon dioxide emission reduction targets need to be completed. Since LED lights are cold light source with low power consumption, long life advantages, power consumption is only equivalent to a traditional lamp 1/10, better fuel savings. It is reported that if the energy-saving lamps to everyday analogy, energy saving than incandescent lamps 4/5, but also energy-saving lamp LED than 1/4.
">In the car, the same daytime running lights, LED energy halogen element is only 1/20.
In addition, LED lights as well as high brightness, high temperature, small size, high stability, no radiation and other advantages, is recognized as the "green light."
">Future LED will be more car manufacturers of all ages, in automotive applications also will be more extensive, LED automotive lighting market with a bright future.
">Completely replace the need to transition
LED lamp market is divided into internal and external lights headlight application application. Applications in the automotive interior lights, LED color due to the rich, is currently widely used, such as the dashboard. "At present, the application of small bulbs dashboard car has very little the next few years, should all vehicle dashboard will use LED." One technician said product dimension lights, in addition to the dashboard, the common LED interior car
">lights and ceiling lights, instrument lights, door lights, reading lights, stepping lights.
Common external lights have headlights, brake lights, fog lights, down lights, turn signals and daytime running lights. Currently, brake lights, tail lights, turn lights, down lights, brake lights and so on have been applied LED. As for the headlights, because the driver of the car safety plays an important role in light of the relatively high requirements, plus the cost constraints and thermal issues, LED lighting as the main front of the still immature. "China's automotive industry, small independent brands, mostly middle and low car with LED lights much, only brake lights and side lights use LED light source, in addition, because of the distance and brightness of the lighting problem, LED seldom used headlight illumination. "the technician told reporters that the current configuration of LED headlamps focused on a few high-end models, such as the Audi R8 and A8, the Mercedes-Benz CLS, BMW X6M and the new BMW 7 Series and so on. "Hampered by high costs, LED in the next 3 to 5 years still can not fully replace halogen and Xenon lamps. Retrospect development process lights, halogen lamps, after almost 20 years to mature gradually from LED lights advantages, the LED lights will definitely become a trend in the future development of the lights, but the transition will take some time. "(China) Investment Co., Regional Manager, Philips Ni Wei said that with the declining cost of LED technology to synchronize with the upgrade in recent years,
">to also improved application trends in the external lights.
">LED lights are the future darling lights
February 2011, the EU requires that all cars, new models of small trucks equipped with daytime running lights are required. In addition to the European Union, other countries are starting to regulate all types of vehicles started new cars be fitted with daytime running lights. States related policies to accelerate the popularization of LED lights. Manufacturing Industry experts pointed out that the brightness of daytime running lights must be kept in the vehicle.
">Since the LED light source with low energy consumption and long life advantages, considering the safety and energy-saving driving demand trends, and manufacturers to develop LED daytime running lights has become an inevitable trend.
Associate Professor of Automotive Engineering, Tsinghua University, Zhou Lihui think, LED components with a small, compact design for easy placement and the huge advantage to car manufacturers in the automotive appearance design leaves a vast space, breaking past innovative lighting system for modeling the shackles to meet the needs of automotive appearance, our own brand on this matter of great interest to the domestic LED lights this industry has also brought opportunities.
">Future LED lights headlight technology will become the future trend.
">Future, LED lights prices will steadily decline in the automotive sector will be more extensive and comprehensive applications, LED lights will become more secure and intelligent.
">History of car headlights
Development of automobile headlights origins can be traced back in the late 19th century. In 1898, Columbia electricity for the electric car headlights and taillights, so electric lights was born.
">After more than a century of evolution of development, to ensure vehicle safety lights have become an integral part of driving.
Throughout the development process of the lights, it is easy to see that this is a miniature history of technological development. The first generation car lights are incandescent. In 1913, the advent of incandescent bulbs, the working principle is the current through a tungsten filament, tungsten hot light radiation generated so that the lamp glows bright light.
">Incandescent lighting revolution brought the car in 1925, electric lighting in the car has been widely applied.
Incandescent turn this page, we came the second generation era headlights - halogen headlights. Halogen incandescent lamp is actually a new generation. To improve the luminous efficiency of an incandescent lamp, a tungsten filament will have to increase the temperature, but will cause a corresponding tungsten sublimation black and condensate make the glass envelope. In filling incandescent halogen element or a halide, using the principle of the loop can be eliminated halogen incandescent bulb blackening. The reason behind this is halogen, was born in 1960. Than traditional incandescent lamp brightness, longer life, more energy efficient.
">Nowadays a lot of cars still use halogen headlamps.
Came in 1991, xenon headlights era has finally arrived. Xenon lamp, the abbreviation is a HID (High Intensity Dis-charge Lamp), that is, high intensity discharge lamps. Xenon is the use of high pressure, high efficiency light of high pressure inert gas discharge phenomenon made. It emitted light brightness is 2 times the ordinary halogen lamps, while its energy consumption is only 2/3, up to 10 times the life of ordinary halogen lamp.
">Xenon greatly increases driving safety and comfort, but also helps relieve stress and fatigue that people driving at night.
Evolved through several generations, and finally to the development trend is now leading lights of LED light source technology. LED is Light Emitting Diode (LED) acronym, as early as the 1960s had been born. The LED has many advantages. Because not heat-emitting light source life of up to 5 to 10 years, in addition, there are colorful, safe and environmentally friendly, resistant to vibration and impact resistance, and has a small volume and strong environmental adaptability advantages. These characteristics are attractive areas of automotive lighting systems.
">It can be said, LED light source is an ideal light source, because the relationship between the high costs, technology and regulations, LED headlights as the car has not yet ripe.
After a century of development, the lights on the car purely for lighting from the very beginning, and now used in night vision, decorative and other purposes, I believe that in the near future, there will be more and more advantage of technology to lead the car development of lighting.
