Although relatively large manufacturers in Greater China are new faces in the high-power LED market, they have made tremendous progress in product development competitions. Vendors are developing a variety of LED packaging technologies, the most important of which is multi-chip integration, which is to package several LED chips in one LED to obtain higher power. At the same time, these vendors are investing in research and development to improve thermal performance, improve luminous efficiency, improve reliability and reduce light attenuation.
LED manufacturers are increasingly encouraged by the increasing popularity of high-power LEDs by lighting electronics manufacturers. At similar brightness levels, a high power LED of 75 lm/W consumes only 20% of the power of an incandescent lamp. These high-power LEDs also offer the advantages of high brightness and long life, and are available in a variety of colors and safer for use in lighting and backlight applications.
High-power LED quickly seizes the traditional market
StrategiesUnlimited expects global sales of high-power LED packages to increase by 12% in 2008. In 2012, global high-power LED sales will reach $11.4 billion, an average annual increase of 18%. Signal lights and displays, including LCD TV backlights, will be the largest application area. StrategiesUnlimited expects solid-state lighting (SSL) to be the main driver of growth in the LED market, with sales revenue growing to $1.37 billion in 2012. Large-size backlights will reach $2.7 billion by 2010.
Mainland China has a mature LED supply chain covering epitaxial wafers and LED chips and packaging, with a focus on medium and large LCD backlighting, road lighting and home lighting applications. China Industrial Research Network confirmed that about 20% of GaN LED chips in the mainland were produced locally in 2007, and five years ago, GaN LED chips in the region were all imported.
There are also more than 20 suppliers in Taiwan producing high-power LEDs with rated power greater than 1W. The main applications include telecommunications, consumer electronics and automotive products. These manufacturers generally have factories in the mainland, but leave the R&D center in Taiwan.
Taiwan's Optoelectronics Technology Industry Association (PIDA) estimates that in 2007, LED packaging revenue in Taiwan was $1.54 billion. This sector is expected to increase by 18% this year from 2007 to $1.84 billion. From the perspective of LED chip and package production value, Taiwan ranks second, after Japan.
There are about 30 LED bulb suppliers in Hong Kong, 50% of which produce high-power, high-brightness LEDs. The largest suppliers are not mainland companies with sales offices in Hong Kong, but joint ventures/foreign companies. Manufacturing activities are carried out outside Hong Kong, mainly in Guangdong, where small suppliers are mostly engaged in LED and finished product trade.
In the past few months, suppliers have been actively promoting high-power LEDs. The output of high-power and high-brightness LEDs has steadily increased, although the output share is still very low. The average cost of LED chips is down 20~30% per year. With the development of LED chip technology. And mass production speeds up, and prices are expected to continue to fall. Therefore, it is expected that the LED offer will be lowered by 10~20%. All types of LEDs, including high power LEDs, will be reduced in price.
According to FPDisplay, the price gap between LED and CCFL backlight unit will be significantly reduced. If the price of LED backlight unit is three times that of CCFL in 2007, it will be only 1.5 times that of CCFL at the end of 2008, so LED backlight unit will be in the next few months. A large number of prevailing traditional CCFLs are often seen in view of the cost reduction of key components. LED manufacturers hope that high-power LEDs will occupy mainstream applications in two or three years and become the dominant lighting technology.
Shenzhen Ruifeng Optoelectronics Co., Ltd. believes that the price of LED chips may be reduced by 10~20%, while Shenzhen Junhe Photoelectric Co., Ltd. expects prices to drop by 50% this year.
Last year, the capacity utilization rate of mainland manufacturers was 80%. Most manufacturers plan to expand production capacity by more than 50% this year to meet growing demand. For example, Ruifeng Optoelectronics invested about $1.3 million to expand production capacity and expects production to increase fivefold in 2008. Junhe Optoelectronics' capacity utilization rate is about 60%. The company plans to increase its production capacity to 600,000 by the end of the year. It is estimated that this year's sales revenue will reach 4.7 million US dollars. Fangda Guoke Optoelectronic Technology Co., Ltd. is building a new production base in Shenyang. Shenzhen Quantum Optoelectronics Co., Ltd. also said that it will invest 2.3 million US dollars to build a new automatic production line in 2009. It is expected that the monthly production capacity of high-power LED will reach 5 million.
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