With the increasing depletion of the earth's resources, the issue of environmental protection and energy conservation has become more and more important. The implementation of the technology industry is a demand for more energy-efficient technology products. Therefore, the role played by power ICs is increasingly important. In addition, from the perspective of energy saving and environmental protection, the backlight, lighting and panel market composed of LEDs are promising, and many analog IC companies are increasingly involved in the field of LED driver ICs.
The LED market will have a critical growth, and the power IC industry in Taiwan is actively deploying the LED driver field.
First of all, let us first examine the market prospects of LED. According to the comprehensive report put forward by the Industrial Research Institute for the 2008 technology industry trend, the four-segment LED and high-brightness red light and orange are in demand today. After the release of light, blue and green LEDs, white LEDs have become one of the most green energy sources. The Institute of Industrial Research estimates that the global application value of white LED products in 2008 is about 8 billion US dollars, and the annual growth rate of output value is 16.6%. It is a year of moderate growth. The main output value comes from mobile phones and automotive interior and exterior LED light sources, among which mobile phones The market is still the largest application area. The 7~10-inch panel LED backlights, special applications (such as LED surgical lights) and LEDs for interior and exterior use have increased significantly, and the trend of notebook panel backlights and commercial lighting LEDs is stable.
In addition, with the 2008 Beijing Olympic Games coming, driving the demand of new construction and consumer electronics industry, coupled with environmental protection and energy conservation policies to play the role of white LED industry, LED market will become a battleground for the military, LED application products will be bigger Size LCD TVs, automotive LEDs, large billboards, laptop backlights, LED street lights, indoor and outdoor architectural decoration, and even the general lighting market.
As governments, relevant organizations and operators actively develop concepts and applications that meet environmental protection, power saving, and energy conservation, the LED industry is eager to catch up with the wide range of applications, and traditional light sources will face a “marginalized†crisis, especially LED lighting. Will become the fastest growing application of high-brightness LED.
The Institute of Industrial Research further pointed out that in 2008, due to the large-scale application of backlights such as digital photo frames, low-cost computers, notebook computers and LCD TVs, and the Beijing Olympic effect, white LEDs will be improved in consumer electronics and indoor and outdoor lighting. Infiltration penetration, the future production cost of white LEDs is also expected to decline, which will help accelerate the shortening of LED price differences.
LED driver market prospects are promising, PowerIC industry has invested
From the above development trend, the LED market will have a critical growth in 2008 and 2009, so the PowerIC industry is actively deploying the LED driver IC field. According to Jian Shifang, deputy general manager of Guangpeng Technology, looking forward to 2008, the main force of Guangpeng Technology will still be placed on the LED driver IC. Jian Shifang said that the company has achieved considerable success in both LED backlighting, lighting and kanban. In the backlight section, the current customers have covered Korean and Taiwan panel makers; in the lighting section, Guangpeng has cooperated with well-known lighting manufacturers, and in the kanban section, Guangpeng has also won a partner and will enter this field.
For the LED lighting market, Jian Shifang pointed out that the current brightness per watt of LED is 136 lumens, but it is estimated that by 2009, the lumens per watt will increase to 300 lumens, which will help the LED lighting market to further mature. However, this still has to overcome the biggest problem of LED lighting, that is, heat dissipation. However, Jian Shifang believes that as technology advances, heat dissipation issues should be effectively addressed.
Faced with the problem of conversion efficiency, Jian Shifang pointed out that the efficiency of AC conversion to DC current was not good in the past, but Guangpeng introduced the AC/DC converter of model A704 with its patented technology, which can effectively improve the conversion efficiency. Jian Shifang mentioned another original idea of ​​Guangpeng, which is the so-called LEDBridge. In the past, the LED bulbs were connected in series, and by cooperation with the packaging factory, the LEDs were combined with specific ICs in parallel, so that When the LED bulb is damaged, it is no longer necessary to replace a string of LEDs, just replace the damaged LEDs, which can greatly reduce the cost.
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