Rational analysis: a bright future for the development of Guangdong LED industry
The development of the scientific concept of development is a powerful impetus to the industry. Proposing to build a conservation-oriented society and realize green GDP is an important part of the scientific development concept, which has become a powerful driving force for the rapid development of the energy-saving industry. With the implementation of the energy conservation policy proposed in the 11th Five-Year Plan, industrial guidance policies at all levels have been introduced one after another. The LED lighting industry with long-life, energy-saving, safety, and environmental protection will have a bright future.
According to statistics, current lighting power accounts for about 12%-20% of total electricity consumption. According to conservative estimates, the total power generation in 2010 will reach 300 billion kWh, and the lighting power will be about 360 billion kWh. If you can save half of the lighting power is 180 billion kWh, equivalent to the annual power generation of the two Three Gorges power stations. Under the global tide of energy conservation and environmental protection, lighting energy conservation has naturally become the focus of attention, and energy saving is the biggest advantage of LED. The LED uses a low-voltage power supply, which has high energy efficiency, low power consumption and energy saving. The third-generation semiconductor material, gallium nitride, is used as the LED illumination source, and consumes only 1/10 of the ordinary incandescent lamp at the same brightness.
As a new lighting technology, LEDs (light-emitting diodes) are light-emitting devices that use semiconductor chips as luminescent materials to directly convert electrical energy into light energy. Unlike the tri-color toner illumination of incandescent filaments and energy-saving lamps, LEDs use electric field illumination. Since the LED is an all-solid illuminant, it can withstand high-strength mechanical shock and vibration, is not easily broken, and is easy to recycle. Moreover, the LED light source itself does not contain harmful substances such as mercury and lead, and has no infrared and ultraviolet pollution, and will not cause pollution to the outside in production and use, so the environmental protection effect of the LED is also very obvious. The LED light source uses a low-voltage power supply, which is easy to use with solar cells and is more environmentally friendly. At the same time, as a low-voltage lamp, safety is also a prominent advantage of LED.
With the continuous development and advancement of LED product technology, LED applications have expanded from earlier display, mobile phone and LCD background light sources to more profitable applications such as general lighting, theater lighting, and automotive heads. Lights, brake lights and traffic lights, and even on the most popular HD LCD TVs, LEDs are expected to replace the CCFL backlights that have been used. With the development of the urban construction of the 2008 Beijing Olympic Games and the 2010 Shanghai World Expo, the demand for LEDs in urban landscape lighting will further increase.
LED market application structure
As an important base for the production of electronic products, LED applications in Guangdong also occupy an important position in the mainland market. In particular, the application of LED interior decoration is particularly prominent. For example, in Zhongshan Town, the annual output of lighting products accounts for almost all of the national lighting. 60% of the market, which has greatly boosted the rapid growth of LED application market in the field of lighting.
The initial formation of modern LED industry cluster
As an important technology to replace the traditional light source, LED has received more and more attention from all walks of life. At present, the LED industry in the mainland has begun to take shape, and has formed in the field of semiconductor luminescent materials and devices from epitaxial wafer production, chip fabrication, device packaging to integrated application. A relatively complete industrial chain.
From a technical point of view, with the success of blue and green LEDs developed in the 1990s, the full-color era from red to blue is fully realized. LED from the epitaxy, chip, packaging technology is basically mature; high-brightness LED development success, luminous efficiency of 100 lumens / watt, providing technical support for the development of the LED industry.
From the application point of view, LED products currently show great vitality in the five fields of LCD backlight, automotive instrument lighting, landscape lighting, special lighting, signal and display. At the same time, with the further improvement of luminous efficiency, the cost is further reduced, and the entry of LED into the general lighting application field is also coming when it can be expected. In 2007, the global LED market sales exceeded $8 billion, reaching $8.61 billion.
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