Domestic development of LED lights Present and Future

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Characteristics and classification of LED lights

LED lights of the main advantages of the following seven:

One, good color and rich, colorful. The color saturation to 130% full-color, to make the light more clear and soft.

Second, long life, good shock resistance. The induction lighting is a semiconductor element, incandescent different, there is no glass, tungsten and other vulnerable moving parts, and failure is very low, maintenance-free.

Lit without delay, and fast response time. LED start-up time is only tens of nanoseconds, start-up time than incandescent bulbs greatly shorten the reaction time, thus left to the driver.

Fourth, high efficiency, low power consumption. The color filter of the LED light sources do not need to be able to directly produce automotive lighting needs such as red, amber color, no loss of energy utilization up to 80%.

Five, small size and light weight. Its characteristics can be designed thin and light, and compact style lamps, car design space.

Six, green lighting. LED spectrum color is good, no extra such as infr ared, ultraviolet spectroscopy, mercury-containing hazardous substances, heat, radiation rarely.

Single flux LED. The single LED s luminous flux level of up to 120lm / W, the product level ≤ 60lm / W, and the high-power LEDs tend to increase the size of a large heat sink, so the LED light source commonly used design method of the LED array.

Domestic LED lights application status

The first LED automotive lighting in 1999 by the Shanghai Automotive Electronics Engineering Center, Shanghai Koito Automotive Lamp Co., Ltd. jointly developed and certified by the Shanghai Volkswagen Automotive Company, Santana high brake lights. Since then, the LED lamp development is very slow, China s accession to the WTO in 2002, vehicle production growth spurt, the world s major automobile companies have set up factories in China, China, Chery, Geely and other independent property rights of private enterprises, the rapid rise of the automobile market stimulat ing the development of China s LED lights. In 2003, we have successfully launched a full set of LED lights in addition to the former according to headlight Buick Regal concept car. Automotive high growth in China slowed down in the second half of 2004, the automotive market competition is fiercer than ever before, new models, new models continue to be introduced to accelerate the development of new LED lights. Shanghai Automotive Electronics Engineering Center and the Shanghai Koito Automotive Lamp Company in 2004 started the development of the 25 LED lights, more than 30 in 2005. Of particular importance is that Toyota, GM and Chery automobile manufacturing companies to the needs of the four models and seven kinds of led lights for homes signal lamps, which shows the application of LED in the car has exceeded the high level brake light range, indicates that China The LED signal auto lamps have entered a new phase.