The LED market is an area that still contains many topics and possibilities. Because of this, the potential of the market is quite large. I believe that under the efforts of various fields, LEDs have the opportunity to surpass traditional light sources and create higher quality light sources. surroundings.
For the new application market of LEDs, the early stage is generally expected to be in the field of automotive, LCD backlights, and to replace bulbs such as incandescent lamps, or to replace the general lighting field for outdoor kanban light source functions. For these fields, LEDs It can be said that both the brightness and the color rendering can meet the requirements, but only part of the technology needs to be developed and worked hard.
However, because the technology of LED is still under continuous development, the possibilities of various applications are still quite large. I believe that in the future, more new applications will be developed because of the improvement of luminous efficiency and the reduction of price, for example. At present, some operators have begun to develop LEDs as light sources for liquid crystal projectors, light sources for visible light communication, and the like. In addition, with these changes, there have been considerable changes in the packaging-related fields of packaging materials, heat-conductive adhesives, and the like, and considerable chain effects have occurred.
Just as flat-panel displays are ideal for 10,000 yen per liter, for technology and applications, the performance of white LEDs has gradually approached the cost target of 100 yen per watt per lumen. In the current technology, if the light output of the blue LED chip can reach 360 lm/W, there is a considerable possibility to obtain a white LED of 100 lm/W output, and the technology of reaching the 360 ​​lm/W blue LED chip is today. In fact, it is no longer a daunting challenge. In 2006, Cree developed a blue LED chip with a light output of up to 370lm/W white LED. Therefore, once the mass production technology of blue LED chips above 360lm/W is established, the next goal is to start the development of the cost target of 1 yen per lumen in white light 100lm/W. To be more specific, if it is desired to popularize white LED applications in various fields, it is necessary to reduce the current cost of 30 lm/W by 1/2 to 1/3. As a result, it is necessary to improve the yield during LED production and packaging, as well as the use of materials. However, the best way is to reduce the unit price through mass production, but in order to get more mass production effect, it is necessary to increase the application opportunities of white LED in all aspects. Now everyone is working hard to increase the application of white LEDs, so the cost of 1ml can be continuously reduced. I believe that 1m large-area LED chip products and high-priced high-end LED products will have the opportunity to arrive in the next few years. Commercialized and practical price.
Under the rapid advancement of blue LED chips and white LED technology, the application market has also received a relatively gratifying response. The application of white LEDs has expanded from single small lighting applications to LCD panel backlights, and is about to open the door to applications such as headlights and outdoor lighting. According to the isuppli market regulation company, the compound growth rate (CAGR) in 2006-2008 is about 111.2%, and the application of LED products will enter the high-speed growth period in 2007. Overall, mobile phone applications have shown slow growth. However, the demand for backlights, vehicles, and outdoor billboards will increase significantly. From 2005 to 2010, the annual compound growth rates of backlights, vehicles, and outdoor billboards were 55.8%, 19.2%, and 16.5%, respectively.
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