First, the current application
1, application types
At present, the more mature applications of LED in China are architectural landscape lighting, large-screen display, traffic lights, indicator lights, small-size backlights for mobile phones and digital cameras, solar LED lighting, automotive lighting, special lighting and military, etc. Lighting is the largest application area of ​​LED in China.
2. Mature market
(1) Architectural landscape lighting
Because LED light source has a series of advantages such as energy saving, environmental protection, light weight and durability, rich color, simple and easy to control, low voltage safety, etc., it has a wide application market in landscape lighting. The domestic landscape lighting market is about 20 billion yuan. A number of LED landscape lighting demonstration projects have been completed in Xiamen, Chongqing, Shanghai, Guangzhou, Shenyang and Harbin. Driven by the Olympic and Expo LED demonstration projects, Beijing, Qingdao, Shanghai and other places will continue to build a number of LED landscape lighting projects. The expansion of these projects will further promote the use of LED landscape lighting in other small and medium-sized cities, thus accelerating China's LED landscape lighting. Large area use in different regions and cities.
(2) Traffic lights
The market size of traffic lights is over 1 billion yuan. At present, China's high-brightness LED urban traffic signals have also been widely used. For example, Shanghai clearly stipulates that all new traffic lights will use LED as the light source. In addition, LED has a broad application prospect in railway signal. The traditional signal machine uses a double filament incandescent bulb as the light source, and the lamp life is only 1000 hours. The Chinese government plans to build an average of 1,700 kilometers of railway lines every year in the future. By 2020, the total length of China's railway lines will reach 100,000 kilometers. High-reliability, safety and low-maintenance high-brightness LEDs will have a lot to offer. In addition, LED signals such as hand-held signal lights, passenger bed head reading lights, and safety sign lights have also begun to use LEDs. China's high-speed development of highways, machine-taste seaports and other fields of signal, marking lamps, is also a potential for LED applications
(3) Display
The display market scale reached 5 billion yuan. China's LED display started earlier, and a number of manufacturers with strong strength have emerged on the market, and a mature industry with complete facilities has been formed. At present, China's LED display has been widely used in public places such as stations, banks, securities, hospitals, stadiums, municipal concerts, stations, airports and so on. The domestic production rate of the domestic LED display market is close to 100%. In addition, with the development and maturity of the intelligent transportation system, the timely and comprehensive release of information has become an important content for the public service in the transportation field. Various information display devices have become machine train stations, docks, bus stations, highways, and urban roads. , parking lots and other leading means of publishing information. LED display screens have become the main display products with their high brightness and high reliability.
(4) Small size LCD backlight
The domestic small-size (under 7 inches) backlight market is about 2 billion yuan. LED has achieved mature and wide application and popularity in the field of small-size LCD panels such as mobile phones, MP3, MP4, DC/DV and PDA. With the popularity of color-screen mobile phones, high-pixel camera phones, large-screen audio-visual phones, and multi-function 3G phones, it is expected that the number of LEDs required for each mobile phone will be as high as 12-18. Therefore, it is expected that the number of LEDs required for domestically produced mobile phones will reach 6 billion in the next few years. Domestic packaging companies are actively carrying out technology research and development or introducing equipment to improve production capacity and product quality. In particular, in recent years, small-size LCD backlight factories in Japan and Korea are moving to China.
(5) Automotive applications
The domestic LED automotive lighting market has exceeded 1 billion yuan. In 2006, China's automobile production and sales reached 7,277,000 and 7,720,600, an increase of 32.76% and 30.02%. With the improvement of the technical level of LED lighting components and the decline of product prices, LED combination taillights, LED brake lights, LED turn signals, etc. will become the mainstream configuration of China's car lights. It is estimated that in 2010 China's LED front-loading market (OEM supporting market), LED combination taillights, LED central high-position brake lights, automotive instrument backlights and other LED lights will reach 4 billion yuan. The next application trend for automotive LEDs will be automotive headlights.
*Solar LED lighting
The domestic solar LED lighting output value exceeds 3 billion yuan. LED is low-voltage, DC power supply, and it is very compatible with the low-voltage and DC power supply methods of solar photovoltaic cells. The combination of the two does not require an AC inverter, and truly realizes the combination of new energy and new light source. Solar semiconductor lighting lawn lights, garden lights, signal lights, etc. have begun to be used in domestic communities, garden construction, and rural area road lighting. At present, China has occupied 80% of global solar semiconductor lighting products.
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