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There is a disconnect between China's LED industry and downstream applications. Some application companies do not understand some of the technical indicators of LED. How to strengthen communication and cooperation with downstream applications, so that China's LED packaging enterprises can develop faster and better?
Guo Yuguo's problem is indeed quite universal. Although the LED industry has developed rapidly in recent years, it is essentially a small industry. Application companies often have few people specializing in LEDs, usually only according to the technical indicators provided by LED manufacturers. Use conditions to apply it. In the original instruction and display application field, LED companies have decades of technology and market foundations. Relatively, application-oriented technical analysis and research are relatively complete, and some applications have been rapidly expanded in recent years because of rapid changes. For some reasons, such as less experience accumulation, there is a great lack of application-oriented technology research. Often, regardless of the specific use of downstream enterprises, only the most reasonable conditions of use are recommended according to their own understanding.
This has been very bad performance in LED display applications, landscape engineering applications, including traffic light applications in previous years: LED manufacturers claim that their device life can reach more than 100,000 hours, but the actual engineering results are almost up to Less than this goal, the device manufacturers and engineering manufacturers blamed each other, and also caused the adverse effects of the LED technology name in the common people.
The same applies to the field of application of power LED devices. For example: because everyone knows that LEDs are more expensive than other light sources, so in general, everyone wants to allow LED products to maximize their brightness within the allowable range. Wrong, so almost all LED technicians and sales people recommend the extreme working conditions of their products to customers. However, in solar-powered applications, it has now been proven that if the LED's rated power is used, it will be very detrimental to the total cost of the working system, because there are three problems: First, although LEDs are mostly It seems very expensive, but in the solar lighting working system, it accounts for a very low cost ratio; second, all LED products so far, within the rated working range, as the working power increases, the brightness will increase, but corresponding to The light efficiency of the unit working power is reduced. Third, in the solar lighting system, the solar part is the most expensive, and the most expensive solar setting is not the highest brightness that the light source can achieve, but the light efficiency of the light source. Therefore, in the application for solar lighting, what LED manufacturers need to do is not to recommend the use condition of the brightest state of the LED, but to tell the manufacturer the LED effect value corresponding to different current values. The advantage of this is that the engineering manufacturer is targeting the same system, and may need to increase the LED order by more than 1 time, but at the same time its total system cost is reduced, because more than twice the LED is used as the light source, each LEDs operate at unsaturated currents, light efficiency increases, and more expensive solar configurations come down.
Similar problems exist not only in solar-oriented applications.
Fan Yuxi We know that the LED manufacturing industry only refers to the manufacturer of LED lamps from the traditional concept. From a historical perspective, little is known about the lighting market application and technical requirements; traditional lighting companies are used to It is a historical fact to choose a traditional light source to meet the requirements of lighting fixtures, but not to understand the performance characteristics of LED products.
When LED technology advances to the point where it can emit white light and enter the semiconductor lighting era, we must realize that, in view of the structural characteristics and lighting characteristics of LEDs, the application requirements are different from traditional incandescent lamps and fluorescent lamps. Therefore, traditional lighting companies need to understand LEDs in order to design products that are suitable for the market in terms of targeted innovation. Only by understanding the practical application needs of the lighting market can LED companies make adaptive innovation designs and innovative products, which is a must for entering the semiconductor lighting market. This has been the consensus of the two industries after a period of setbacks.
Of course, strengthening upstream and downstream communication is not only a slogan, but must make substantial efforts to really make a difference. At present, there are many ways.
Because Jiang Guozhong does not have uniform testing standards and reliability assessment indicators, LED products often appear in the market to be poorly charged and the price is chaotic, which has led to the application companies' distrust of LED products. The application market is the biggest driving force for the development of the LED industry, so this situation should be highly valued.
Peng Wanhua's current LED application product development and production has the following characteristics: First, LED application promotion is carried out in all directions, with a wide range of applications and a wide variety of application products. Second, there are hundreds of new LED application product development and production companies in the past two years. Third, many companies that originally developed LED products and lighting products have developed and produced LED application products. Fourth, most of the newly developed LED applications are LED products with non-standard package structure.
LED packaging products and application products are closely integrated, not out of touch, but in practice, some new application product development companies and landscape lighting design and installation companies have insufficient understanding of LED performance, bringing LED application development Less impact and trouble. But this is a contradiction that can be overcome.
Some of the application companies of Guan Jizhen do not know much about the technical indicators of LEDs, but they cannot explain the disconnection between upstream and downstream. Objectively speaking, for products with certain technical level and high technical requirements for devices, such as LED display screens, application companies are very concerned about and understand the technical indicators of the devices; for landscape lighting and some common high-volume application products manufacturing. Manufacturers, relatively little understanding of the technical specifications of the device, this is normal.
For the promotion and strengthening of upstream and downstream cooperation, the following measures can be taken: First, the relevant government departments should actively build a platform for the integration of industry, education and research, and upstream and downstream interactions to strengthen mutual technical exchanges and cooperation. Secondly, establish a LED standardization system, strengthen the technical exchange between upstream and downstream, standardize industry standards, and promote cooperation and development through joint preparation and publicity of common standards. Third, in the relevant science and technology plan, priority should be given to the projects of industry, academia and research, upstream and downstream integration, and the implementation of demonstration projects covering the comprehensive application of upstream and downstream industrial technologies and products.
Qi Tongsheng's LED industry and downstream applications are somewhat out of touch, mainly because the upstream and downstream application industries of LEDs are often different industries, and they do not know each other enough. The awareness of new bright spots and new problems arising from the application development of LED products needs to be improved. In addition, related to the prevailing crises in China, the vicious competition among enterprises, blindly pursuing the scale of development, makes them have greater caution. The upstream and downstream enterprises must closely communicate and cooperate, and this cooperation requires the adjustment role of the industry and the government. I think that when the industry and the government should reflect on it, many local governments advocate that enterprises become bigger and stronger. In actual implementation, they often only seek a big and comprehensive mentality. As long as the scale is large, the output value is high. Everyone is saying that China will be the world's manufacturing power. This is a good thing, and it is also very worrying. It brings a lot of resource consumption and environmental problems. Therefore, the industry and the government should play a role in the hierarchical and coordinated development of the LED industry.
Fang Zhilie is concerned about the disconnection between packaging enterprises and application industries. Relevant societies, associations and centers can carry out some training courses. From the device packaging factory, in order to provide detailed product performance data and knowledge in the description, product promotion briefings can also be held, and the application factory should also understand the device performance and use the LE D device reasonably as the application product development and production. The premise of the product performance measurement and life test, the problem is exposed and solved in the production enterprise, do not shoddy, the product often has problems after the user's hands, so that users suffer losses, and even affect the reputation of LED application products.
Backlight, car, lighting are the three most worthy of attention
There is a disconnect between China's LED industry and downstream applications. Some application companies do not understand some of the technical indicators of LED. How to strengthen communication and cooperation with downstream applications, so that China's LED packaging enterprises can develop faster and better?
Fan Yuxi grasps the application opportunities of the future period is very important for the current development of the enterprise, and the application opportunities for the future are generally considered to be: ordinary lighting sources, LCD backlights and automotive lighting sources. Of course, entering the field of general lighting, everyone has been recognized for some time, but the speed of technological progress exceeds expectations, which means that entering the general lighting field is no longer on paper. The related preparation and trial work has in fact been carried out on a large scale.
As far as automotive lighting is concerned, international high-end cars such as Cadillac, Mercedes-Benz, BMW, Audi, Toyota and Ford have launched new cars with LED lamps, and it is estimated that the application of LEDs in car headlights is expected in 2007 and 2008. Years can enter the market, and some models in China have adopted L ED lamps.
LCD backlights will continue to evolve not only in mobile applications, but also in new spaces, and more importantly, the rapid growth of flat-panel LCD TVs and notebook display applications, as well as the maturity and emergence of large-size LED backlight technologies. Advantages, such as environmental protection, longevity, good color reproduction, fast response, etc., all tell us that once the cost of LED backlights is reduced to a wide range of applications, it means that the era of highly energy-efficient LCD display really comes. .
Of course, we must also take the lead in grasping the current opportunities. The application of LEDs in special applications will continue to increase, and the application field is still expanding.
The application of Guo Yuguo to semiconductor lighting in buildings includes: first, landscape or decorative lighting outside the building. In the initial stage of urban development, the landscape lighting of buildings is generally limited. However, the economy has developed and people's way of thinking about life has changed. In today's cities, no nightscape lighting is unimaginable. Therefore, the city's public buildings and landmark buildings almost all bear the mission of night landscape lighting. The application advantages of LED in this field are almost irreplaceable. Second, the landscape and decorative lighting inside the building. Is the interior lighting of a building a market for general lighting or a market for decorative lighting? If the question is 20 years ago, the answer is certain, because in that era, people's requirements for home lighting are basically limited to functional requirements - bright. But now, let's look at the lights at home. How many of them are functional and illuminating? Meeting rooms and office space are mainly based on such requirements. In addition, nowadays, a set of ordinary renovated houses, the most numerous of which are probably lamps such as spotlights and chandeliers, which are more decorative than the meaning of illumination. But people usually use very little, because there are more than a dozen light bulbs, too much electricity, and then it does not need to be so bright. So is there a solution to the best of both worlds? Yes, the answer lies in the LED body, which can achieve a higher demand for decoration and aesthetics with a small power consumption. For example, the night light in the family, its role is to point to the road at night, too bright is not what we need, and it is not economical, but traditional technology can not do very low-power things, LED can, As long as it is needed, 0.01W can be used, so now some technicians use the micro current on the telephone line to connect the LEDs to the night light at home, and the electricity bill is not spent. Moreover, in indoor lighting, the definition of functional lighting and decorative lighting is very vague. For example, the mirror headlights, we usually think that it is functional, but whether it really has such high requirements on the brightness of the light. ? Is it possible to take into account the functional requirements when making a decorative light? In other public buildings, such as buildings, hotels, hotels, there are many decorative lighting applications, such as lamp posts, spotlights and the like.
This is not the most fundamental problem, because we are talking about alternative applications to traditional light sources. Today's buildings are designed based on traditional lighting technology. In the future, semiconductor lighting will be an architect. The first thing to consider when starting design is that at that time, humans' concept and understanding of lighting will change dramatically from now, so LED technology is a subversion of architectural design in the future. The technology of the design concept.
In the future, Jiang Guozhong can pay attention to: First, LED full color display. With its unique advantages of high brightness and long life, LED displays have been widely used in stations, banks, securities and hospitals. With the improvement of LED luminous efficiency and the decline of average price, LED full-color display will be widely used in sports venues, municipal concerts, stations, airports and other places, showing a strong growth trend. Second, medium and large size LED backlights. LED backlights have the advantages of good color reproduction, power saving, long life and low pollution, and can display more vivid colors with a color gamut of 108%. More and more manufacturers are beginning to develop large-size LED backlights. With the resolution of the brightness, heat dissipation and uniform distribution of large-size LED backlights and the price drop, and the implementation of EU environmental protection standards, large-size LED backlights will replace large-size LCD CCFL backlights, and their market demand It will far exceed the demand for LEDs in other fields, and the application prospects are quite broad. Third, special lighting. In the field of special lighting, there are car lights, interior lights, and landscape lighting. Fourth, general lighting. At present, power white LED enters the general lighting market, not only faces the problems of low luminous efficiency, poor heat dissipation, high cost, but also the combination of optical, structural and control, and the development of general standards for LED lighting products. However, with the improvement of chip luminous efficiency and packaging technology, power white LED will gradually enter commercial places such as hotels, business halls, and high-end commercial office buildings.
Peng Wanhua has a wide range of LED applications. In the future, he will mainly promote and apply it in three major fields: backlight, automotive lighting, display and semiconductor lighting. Specifically: the backlight is focused on the development of LED backlights for 9-inch to 20-inch displays, and industrialization as soon as possible, large-area LED backlights should be developed accordingly. LED lights and display parts for automobiles should be fully developed and applied.
On the eve of the arrival of semiconductor general lighting, the market development of special lighting will accelerate, urban lighting, landscape display and energy-saving products will develop; LED display market will continue to grow, the cost of full-color LED display products will fall, The technology is mature and will be popularized. At the same time, the special application products that meet the needs of different industries will increase; the market for other LED display application products will have a very broad future growth.
Qi Tongsheng must first fully understand the performance characteristics of LED products, and cannot fully consider the traditional lighting products. For example, the LED itself is a point light source with directional illumination. If the illumination source is designed according to the traditional bulb concept, the original characteristics of the LED light source are obliterated. Therefore, in the field of traditional lighting, we should combine the essential requirements of lighting and the characteristics of LEDs to design hidden, environmentally friendly and artistic lighting products. Especially in digital lighting applications, LEDs will have very broad prospects. In the future of lighting, LED products will have a lot to do, and from the concept will change people's traditional lighting concepts.
Secondly, more attention should be paid to the application of lighting efficiency, energy saving, safety, environmental protection, health, comfort and digital control. In the display field, more attention should be paid to the application in LCD backlights, which will not only change the current traditional LCD display quality, but also form a larger application field in the LED industry. With the development of the future, many technologies in the field of LED display technology and traditional LED lighting will be integrated to form more new display and lighting products.
Third, the field of special lighting. In particular, the LED plant illumination source will be very different from the current traditional plant illumination source. The spectral characteristics of the LED can be optimally matched with the spectrum of plant photosynthesis; the LED pulse modulation control method is used to optimally match the photosynthesis or respiratory process of the plant in the time domain; the light color component of the illumination lamp using the LED ( Red-blue ratio) is the best match with plant growth requirements, effectively controlling plant growth patterns. These aspects can achieve efficient and energy-saving lighting through LE D technology, and play an important role in the development of efficient high-quality agriculture in the future.
In the medical field, LEDs will also have a lot of room to play, especially in combination with digital lighting technology, changing the atmosphere of human living environment, regulating people's emotions and endocrine and so on have positive effects.
Fang Zhilie has three product areas that should be paid attention to recently. One is the car light. High-end brake lights, direction lights, and interior lights have matured. At present, many domestic and foreign manufacturers have adopted new models, and the market is rapidly expanding. The second is the LED backlight of the LCD screen. The application on mobile phones has been very large, and is currently expanding the 7-inch-21-inch car screen and monitor screen, and is expanding to 26-inch-50-inch TV screen. Last June, Samsung had a 40-inch TV set sold in Europe for $3,000. As device efficiencies increase, the number of devices used will be reduced, and heat dissipation issues will be resolved. Domestic BOE has a certain foundation, and should strengthen its development efforts, strive to enter the large-screen production stage as soon as possible, and foster two or three enterprises to become bigger and stronger, because China has a strong color TV production capacity and a huge LCD flat-panel TV market. LED street lights have sprung up. With the development of power LEDs and the use of solar cells, the energy-saving and environmental protection effects of LED street lamps are realized. Recently, tens of thousands of sets of orders have appeared. The demonstration roads and demonstration scenic spots or residential areas of LED street lighting have been presented in batches. With the intelligent control of the driving circuit to turn off the lights or halve the brightness in the middle of the night, the energy saving effect is obvious, and the application promotion speed is accelerated. . The issue of standardizing LED street lights of various specifications should be put on the agenda to avoid the appearance of LED street lights with poor quality and short life, causing unnecessary losses. This market will be tempting.
In addition, interior lighting, aisle lights and table lamps can also be started.
Entreprise's news
Jiangsu Wenrun: Strive to complete the two-wing concept
The stable feature is that the products in the field of LED packaging are relatively complete, covering LED digital tube, flat display, in-line LED, CHIP LED, TOPLED to piranha, high-power LED packaging products, because we have A large market is abroad, and providing one-stop shopping service to customers is a goal that we have been working hard in recent years. In general, the growth of each branch of LED packaging products in these years has been relatively stable, but the most obvious growth, and the most obvious support for the benefits is the products for decorative lighting.
Steady and stability has an integrated two-wing vision for the next step of development. One is to do all-inclusive and partial-profit in the field of packaging. The two wings are choosing the right time to step into the chip field (not necessarily Do it yourself. Second, selectively do one or two applications with relatively high industry thresholds but long-term development prospects (this should be done by yourself if you do).
Industrial integration or restructuring is also a direction that can be considered for stability, but there is a big uncertainty in this direction.
Xiamen Hualian: Promoting application product development and market construction
After years of development, Xiamen Hualian has formed two series in terms of products: first, LED and lighting applications; second, microcomputer controllers, automotive electronics, etc. At present, the company's first photovoltaic building in the Hualian Electronics New Area of ​​Xiamen Siming Optoelectronic Park will greatly enhance the company's operation scale. The company's equipment and process technology level in power LED and white LED has been greatly improved.
At present, in terms of optoelectronic devices, in addition to power LEDs, white LEDs, and infrared LEDs, there are also optocouplers, optical-MOS relays, and infrared receiver amplifiers that are at the forefront in China; in the emerging LED application lamps, except for the night scene decoration. In addition to products, it also includes a variety of projection lights, street lights, table lamps, miner's lamps and other products.
Based on the development needs, the company has built a domestic first-class enterprise scale and level in microcomputer control. At present, it is building a world-class microcomputer controller manufacturing enterprise, mainly in refrigerators, air conditioners, water heaters, automotive electronics, communication equipment, etc. The field is engaged in software development and hardware development and manufacturing. The main customers are international and domestic first-class enterprises, including Electrolux, Carrier, Panasonic, LG, Changhong, Haier, TCL, Midea, AO Smith and so on.
The company is currently actively promoting LED application product development and market construction. In response to the above product development concept, the company is actively promoting its development with the operation mode of the three business divisions. The company's shareholders, Fangjiang Lianchuang Optoelectronics Technology Co., Ltd., Lianfa Group Co., Ltd. and Foshan Hualianxing Electronics Co., Ltd. reached a consensus to jointly increase capital and promote the rapid development of the company's LED products in scale, technology and market.
Jiangxi Lianchuang: Power LED devices and chips form a scale
At present, the company focuses on LED epitaxial materials, chips, devices and LED application products, promotes development through application, enhances technology in development, and forms pillar products with international competitiveness. Seize the opportunity of implementing the industrialization of semiconductor lighting engineering in the country, and take the development of new high-brightness LED device packages such as power type and application products such as special lighting and landscape lighting as a breakthrough. The PLCC series TOPLED devices developed by the company, sidelight side light-emitting devices, full-color backlights for mobile phones, GPS, mobile TV, full-color display modules for household appliances, power LED devices and LED chips have formed scale.
Four-way intelligent transportation: actively promote traffic information display business
Beijing Sitong Intelligent Transportation System Integration Co., Ltd. has a good market foundation and professional technology in the field of LED traffic information display products. Based on the new traffic guidance series LED display (brand) developed by the company, it has a high degree of specialization and meets different requirements. Full dot matrix, embedded, composite and other products, products for traffic environment and requirements, with remote network control, automatic fault monitoring, automatic brightness adjustment, compatible wireless, wired communication and security and confidentiality mechanism, urban traffic in Beijing and the whole country The field is widely used. The company provided a complete set of products from the information display to the control system provided by the Beijing Public Security Traffic Management Bureau, and built an urban traffic guidance system with leading domestic technology and scale.
For the future development, the company will give full play to the technical advantages in the field of traffic information collection, processing and release, and base on the field of intelligent transportation systems to actively promote the business of traffic information display. On the basis of existing products, innovation and improvement, actively develop and promote professional and intelligent traffic information services and information display system products such as road traffic guidance, airport flight dynamic release display, station passenger guidance display and public multimedia information release.
Three colors of Zhejiang University: Optoelectronic analysis equipment has advantages
At present, Zhejiang University's three colors mainly aim at optoelectronic analysis equipment in the field of lighting and display. The products are positioned at the middle and high level, focusing on providing overall solutions for LED application products. In addition to traditional light, electricity, color and other dozens of measuring instruments, the latest development of LED thermal performance comprehensive analysis system, can provide integrated solutions for photoelectric color and thermal performance for the LED lighting industry; LED reliability and life evaluation and testing issues, the introduction of LED reliability and life acceleration equipment, the device can simultaneously accelerate the test of 40 samples, the whole process of optical, electrical, color, thermal parameters during the test, computer records, And the failure rate and life expectancy analysis.
In terms of measuring instruments for LED lighting fixtures, the GMS-2000 Rotating Mirror-type Distribution Photometer launched by Tricolor is a large-scale luminaire optical measuring equipment successfully developed in Germany after LMT in Germany; in the field of display testing Participated in the development of IEC international standards and almost all relevant test standards in China. The newly launched large-screen display measuring equipment was applied to Cree's Huagang Optoelectronics Co., Ltd. in Shanghai. In many respects, Zhejiang University has independent intellectual property rights. .
The next step of the enterprise:
Further strengthen research and development efforts, aim at various new detection problems arising in the development of the LED industry, develop photoelectric detection equipment with independent intellectual property rights, continuously improve the performance of products, and establish a three-color brand internationally.
On the other hand, strengthen the pace of industrialization, including the construction of Zhejiang University's three-color production base in Deqing, improve the infrastructure of the 16,000-square-meter industrial park in Deqing, strengthen personnel training, improve the manufacturing capacity of products, continuously reduce costs, aim at marketization and The development goal of internationalization is constantly advancing.
In addition, we will strengthen cooperation with enterprises in related fields at home and abroad, including peer cooperation, and develop China's semiconductor lighting equipment industry on the basis of mutual benefit.
1
There is a disconnect between China's LED industry and downstream applications. Some application companies do not understand some of the technical indicators of LED. How to strengthen communication and cooperation with downstream applications, so that China's LED packaging enterprises can develop faster and better?
Guo Yuguo's problem is indeed quite universal. Although the LED industry has developed rapidly in recent years, it is essentially a small industry. Application companies often have few people specializing in LEDs, usually only according to the technical indicators provided by LED manufacturers. Use conditions to apply it. In the original instruction and display application field, LED companies have decades of technology and market foundations. Relatively, application-oriented technical analysis and research are relatively complete, and some applications have been rapidly expanded in recent years because of rapid changes. For some reasons, such as less experience accumulation, there is a great lack of application-oriented technology research. Often, regardless of the specific use of downstream enterprises, only the most reasonable conditions of use are recommended according to their own understanding.
This has been very bad performance in LED display applications, landscape engineering applications, including traffic light applications in previous years: LED manufacturers claim that their device life can reach more than 100,000 hours, but the actual engineering results are almost up to Less than this goal, the device manufacturers and engineering manufacturers blamed each other, and also caused the adverse effects of the LED technology name in the common people.
The same applies to the field of application of power LED devices. For example: because everyone knows that LEDs are more expensive than other light sources, so in general, everyone wants to allow LED products to maximize their brightness within the allowable range. Wrong, so almost all LED technicians and sales people recommend the extreme working conditions of their products to customers. However, in solar-powered applications, it has now been proven that if the LED's rated power is used, it will be very detrimental to the total cost of the working system, because there are three problems: First, although LEDs are mostly It seems very expensive, but in the solar lighting working system, it accounts for a very low cost ratio; second, all LED products so far, within the rated working range, as the working power increases, the brightness will increase, but corresponding to The light efficiency of the unit working power is reduced. Third, in the solar lighting system, the solar part is the most expensive, and the most expensive solar setting is not the highest brightness that the light source can achieve, but the light efficiency of the light source. Therefore, in the application for solar lighting, what LED manufacturers need to do is not to recommend the use condition of the brightest state of the LED, but to tell the manufacturer the LED effect value corresponding to different current values. The advantage of this is that the engineering manufacturer is targeting the same system, and may need to increase the LED order by more than 1 time, but at the same time its total system cost is reduced, because more than twice the LED is used as the light source, each LEDs operate at unsaturated currents, light efficiency increases, and more expensive solar configurations come down.
Similar problems exist not only in solar-oriented applications.
Fan Yuxi We know that the LED manufacturing industry only refers to the manufacturer of LED lamps from the traditional concept. From a historical perspective, little is known about the lighting market application and technical requirements; traditional lighting companies are used to It is a historical fact to choose a traditional light source to meet the requirements of lighting fixtures, but not to understand the performance characteristics of LED products.
When LED technology advances to the point where it can emit white light and enter the semiconductor lighting era, we must realize that, in view of the structural characteristics and lighting characteristics of LEDs, the application requirements are different from traditional incandescent lamps and fluorescent lamps. Therefore, traditional lighting companies need to understand LEDs in order to design products that are suitable for the market in terms of targeted innovation. Only by understanding the practical application needs of the lighting market can LED companies make adaptive innovation designs and innovative products, which is a must for entering the semiconductor lighting market. This has been the consensus of the two industries after a period of setbacks.
Of course, strengthening upstream and downstream communication is not only a slogan, but must make substantial efforts to really make a difference. At present, there are many ways.
Because Jiang Guozhong does not have uniform testing standards and reliability assessment indicators, LED products often appear in the market to be poorly charged and the price is chaotic, which has led to the application companies' distrust of LED products. The application market is the biggest driving force for the development of the LED industry, so this situation should be highly valued.
Peng Wanhua's current LED application product development and production has the following characteristics: First, LED application promotion is carried out in all directions, with a wide range of applications and a wide variety of application products. Second, there are hundreds of new LED application product development and production companies in the past two years. Third, many companies that originally developed LED products and lighting products have developed and produced LED application products. Fourth, most of the newly developed LED applications are LED products with non-standard package structure.
LED packaging products and application products are closely integrated, not out of touch, but in practice, some new application product development companies and landscape lighting design and installation companies have insufficient understanding of LED performance, bringing LED application development Less impact and trouble. But this is a contradiction that can be overcome.
Some of the application companies of Guan Jizhen do not know much about the technical indicators of LEDs, but they cannot explain the disconnection between upstream and downstream. Objectively speaking, for products with certain technical level and high technical requirements for devices, such as LED display screens, application companies are very concerned about and understand the technical indicators of the devices; for landscape lighting and some common high-volume application products manufacturing. Manufacturers, relatively little understanding of the technical specifications of the device, this is normal.
For the promotion and strengthening of upstream and downstream cooperation, the following measures can be taken: First, the relevant government departments should actively build a platform for the integration of industry, education and research, and upstream and downstream interactions to strengthen mutual technical exchanges and cooperation. Secondly, establish a LED standardization system, strengthen the technical exchange between upstream and downstream, standardize industry standards, and promote cooperation and development through joint preparation and publicity of common standards. Third, in the relevant science and technology plan, priority should be given to the projects of industry, academia and research, upstream and downstream integration, and the implementation of demonstration projects covering the comprehensive application of upstream and downstream industrial technologies and products.
Qi Tongsheng's LED industry and downstream applications are somewhat out of touch, mainly because the upstream and downstream application industries of LEDs are often different industries, and they do not know each other enough. The awareness of new bright spots and new problems arising from the application development of LED products needs to be improved. In addition, related to the prevailing crises in China, the vicious competition among enterprises, blindly pursuing the scale of development, makes them have greater caution. The upstream and downstream enterprises must closely communicate and cooperate, and this cooperation requires the adjustment role of the industry and the government. I think that when the industry and the government should reflect on it, many local governments advocate that enterprises become bigger and stronger. In actual implementation, they often only seek a big and comprehensive mentality. As long as the scale is large, the output value is high. Everyone is saying that China will be the world's manufacturing power. This is a good thing, and it is also very worrying. It brings a lot of resource consumption and environmental problems. Therefore, the industry and the government should play a role in the hierarchical and coordinated development of the LED industry.
Fang Zhilie is concerned about the disconnection between packaging enterprises and application industries. Relevant societies, associations and centers can carry out some training courses. From the device packaging factory, in order to provide detailed product performance data and knowledge in the description, product promotion briefings can also be held, and the application factory should also understand the device performance and use the LE D device reasonably as the application product development and production. The premise of the product performance measurement and life test, the problem is exposed and solved in the production enterprise, do not shoddy, the product often has problems after the user's hands, so that users suffer losses, and even affect the reputation of LED application products.
Backlight, car, lighting are the three most worthy of attention
There is a disconnect between China's LED industry and downstream applications. Some application companies do not understand some of the technical indicators of LED. How to strengthen communication and cooperation with downstream applications, so that China's LED packaging enterprises can develop faster and better?
Fan Yuxi grasps the application opportunities of the future period is very important for the current development of the enterprise, and the application opportunities for the future are generally considered to be: ordinary lighting sources, LCD backlights and automotive lighting sources. Of course, entering the field of general lighting, everyone has been recognized for some time, but the speed of technological progress exceeds expectations, which means that entering the general lighting field is no longer on paper. The related preparation and trial work has in fact been carried out on a large scale.
As far as automotive lighting is concerned, international high-end cars such as Cadillac, Mercedes-Benz, BMW, Audi, Toyota and Ford have launched new cars with LED lamps, and it is estimated that the application of LEDs in car headlights is expected in 2007 and 2008. Years can enter the market, and some models in China have adopted L ED lamps.
LCD backlights will continue to evolve not only in mobile applications, but also in new spaces, and more importantly, the rapid growth of flat-panel LCD TVs and notebook display applications, as well as the maturity and emergence of large-size LED backlight technologies. Advantages, such as environmental protection, longevity, good color reproduction, fast response, etc., all tell us that once the cost of LED backlights is reduced to a wide range of applications, it means that the era of highly energy-efficient LCD display really comes. .
Of course, we must also take the lead in grasping the current opportunities. The application of LEDs in special applications will continue to increase, and the application field is still expanding.
The application of Guo Yuguo to semiconductor lighting in buildings includes: first, landscape or decorative lighting outside the building. In the initial stage of urban development, the landscape lighting of buildings is generally limited. However, the economy has developed and people's way of thinking about life has changed. In today's cities, no nightscape lighting is unimaginable. Therefore, the city's public buildings and landmark buildings almost all bear the mission of night landscape lighting. The application advantages of LED in this field are almost irreplaceable. Second, the landscape and decorative lighting inside the building. Is the interior lighting of a building a market for general lighting or a market for decorative lighting? If the question is 20 years ago, the answer is certain, because in that era, people's requirements for home lighting are basically limited to functional requirements - bright. But now, let's look at the lights at home. How many of them are functional and illuminating? Meeting rooms and office space are mainly based on such requirements. In addition, nowadays, a set of ordinary renovated houses, the most numerous of which are probably lamps such as spotlights and chandeliers, which are more decorative than the meaning of illumination. But people usually use very little, because there are more than a dozen light bulbs, too much electricity, and then it does not need to be so bright. So is there a solution to the best of both worlds? Yes, the answer lies in the LED body, which can achieve a higher demand for decoration and aesthetics with a small power consumption. For example, the night light in the family, its role is to point to the road at night, too bright is not what we need, and it is not economical, but traditional technology can not do very low-power things, LED can, As long as it is needed, 0.01W can be used, so now some technicians use the micro current on the telephone line to connect the LEDs to the night light at home, and the electricity bill is not spent. Moreover, in indoor lighting, the definition of functional lighting and decorative lighting is very vague. For example, the mirror headlights, we usually think that it is functional, but whether it really has such high requirements on the brightness of the light. ? Is it possible to take into account the functional requirements when making a decorative light? In other public buildings, such as buildings, hotels, hotels, there are many decorative lighting applications, such as lamp posts, spotlights and the like.
This is not the most fundamental problem, because we are talking about alternative applications to traditional light sources. Today's buildings are designed based on traditional lighting technology. In the future, semiconductor lighting will be an architect. The first thing to consider when starting design is that at that time, humans' concept and understanding of lighting will change dramatically from now, so LED technology is a subversion of architectural design in the future. The technology of the design concept.
In the future, Jiang Guozhong can pay attention to: First, LED full color display. With its unique advantages of high brightness and long life, LED displays have been widely used in stations, banks, securities and hospitals. With the improvement of LED luminous efficiency and the decline of average price, LED full-color display will be widely used in sports venues, municipal concerts, stations, airports and other places, showing a strong growth trend. Second, medium and large size LED backlights. LED backlights have the advantages of good color reproduction, power saving, long life and low pollution, and can display more vivid colors with a color gamut of 108%. More and more manufacturers are beginning to develop large-size LED backlights. With the resolution of the brightness, heat dissipation and uniform distribution of large-size LED backlights and the price drop, and the implementation of EU environmental protection standards, large-size LED backlights will replace large-size LCD CCFL backlights, and their market demand It will far exceed the demand for LEDs in other fields, and the application prospects are quite broad. Third, special lighting. In the field of special lighting, there are car lights, interior lights, and landscape lighting. Fourth, general lighting. At present, power white LED enters the general lighting market, not only faces the problems of low luminous efficiency, poor heat dissipation, high cost, but also the combination of optical, structural and control, and the development of general standards for LED lighting products. However, with the improvement of chip luminous efficiency and packaging technology, power white LED will gradually enter commercial places such as hotels, business halls, and high-end commercial office buildings.
Peng Wanhua has a wide range of LED applications. In the future, he will mainly promote and apply it in three major fields: backlight, automotive lighting, display and semiconductor lighting. Specifically: the backlight is focused on the development of LED backlights for 9-inch to 20-inch displays, and industrialization as soon as possible, large-area LED backlights should be developed accordingly. LED lights and display parts for automobiles should be fully developed and applied.
On the eve of the arrival of semiconductor general lighting, the market development of special lighting will accelerate, urban lighting, landscape display and energy-saving products will develop; LED display market will continue to grow, the cost of full-color LED display products will fall, The technology is mature and will be popularized. At the same time, the special application products that meet the needs of different industries will increase; the market for other LED display application products will have a very broad future growth.
Qi Tongsheng must first fully understand the performance characteristics of LED products, and cannot fully consider the traditional lighting products. For example, the LED itself is a point light source with directional illumination. If the illumination source is designed according to the traditional bulb concept, the original characteristics of the LED light source are obliterated. Therefore, in the field of traditional lighting, we should combine the essential requirements of lighting and the characteristics of LEDs to design hidden, environmentally friendly and artistic lighting products. Especially in digital lighting applications, LEDs will have very broad prospects. In the future of lighting, LED products will have a lot to do, and from the concept will change people's traditional lighting concepts.
Secondly, more attention should be paid to the application of lighting efficiency, energy saving, safety, environmental protection, health, comfort and digital control. In the display field, more attention should be paid to the application in LCD backlights, which will not only change the current traditional LCD display quality, but also form a larger application field in the LED industry. With the development of the future, many technologies in the field of LED display technology and traditional LED lighting will be integrated to form more new display and lighting products.
Third, the field of special lighting. In particular, the LED plant illumination source will be very different from the current traditional plant illumination source. The spectral characteristics of the LED can be optimally matched with the spectrum of plant photosynthesis; the LED pulse modulation control method is used to optimally match the photosynthesis or respiratory process of the plant in the time domain; the light color component of the illumination lamp using the LED ( Red-blue ratio) is the best match with plant growth requirements, effectively controlling plant growth patterns. These aspects can achieve efficient and energy-saving lighting through LE D technology, and play an important role in the development of efficient high-quality agriculture in the future.
In the medical field, LEDs will also have a lot of room to play, especially in combination with digital lighting technology, changing the atmosphere of human living environment, regulating people's emotions and endocrine and so on have positive effects.
Fang Zhilie has three product areas that should be paid attention to recently. One is the car light. High-end brake lights, direction lights, and interior lights have matured. At present, many domestic and foreign manufacturers have adopted new models, and the market is rapidly expanding. The second is the LED backlight of the LCD screen. The application on mobile phones has been very large, and is currently expanding the 7-inch-21-inch car screen and monitor screen, and is expanding to 26-inch-50-inch TV screen. Last June, Samsung had a 40-inch TV set sold in Europe for $3,000. As device efficiencies increase, the number of devices used will be reduced, and heat dissipation issues will be resolved. Domestic BOE has a certain foundation, and should strengthen its development efforts, strive to enter the large-screen production stage as soon as possible, and foster two or three enterprises to become bigger and stronger, because China has a strong color TV production capacity and a huge LCD flat-panel TV market. LED street lights have sprung up. With the development of power LEDs and the use of solar cells, the energy-saving and environmental protection effects of LED street lamps are realized. Recently, tens of thousands of sets of orders have appeared. The demonstration roads and demonstration scenic spots or residential areas of LED street lighting have been presented in batches. With the intelligent control of the driving circuit to turn off the lights or halve the brightness in the middle of the night, the energy saving effect is obvious, and the application promotion speed is accelerated. . The issue of standardizing LED street lights of various specifications should be put on the agenda to avoid the appearance of LED street lights with poor quality and short life, causing unnecessary losses. This market will be tempting.
In addition, interior lighting, aisle lights and table lamps can also be started.
Entreprise's news
Jiangsu Wenrun: Strive to complete the two-wing concept
The stable feature is that the products in the field of LED packaging are relatively complete, covering LED digital tube, flat display, in-line LED, CHIP LED, TOPLED to piranha, high-power LED packaging products, because we have A large market is abroad, and providing one-stop shopping service to customers is a goal that we have been working hard in recent years. In general, the growth of each branch of LED packaging products in these years has been relatively stable, but the most obvious growth, and the most obvious support for the benefits is the products for decorative lighting.
Steady and stability has an integrated two-wing vision for the next step of development. One is to do all-inclusive and partial-profit in the field of packaging. The two wings are choosing the right time to step into the chip field (not necessarily Do it yourself. Second, selectively do one or two applications with relatively high industry thresholds but long-term development prospects (this should be done by yourself if you do).
Industrial integration or restructuring is also a direction that can be considered for stability, but there is a big uncertainty in this direction.
Xiamen Hualian: Promoting application product development and market construction
After years of development, Xiamen Hualian has formed two series in terms of products: first, LED and lighting applications; second, microcomputer controllers, automotive electronics, etc. At present, the company's first photovoltaic building in the Hualian Electronics New Area of ​​Xiamen Siming Optoelectronic Park will greatly enhance the company's operation scale. The company's equipment and process technology level in power LED and white LED has been greatly improved.
At present, in terms of optoelectronic devices, in addition to power LEDs, white LEDs, and infrared LEDs, there are also optocouplers, optical-MOS relays, and infrared receiver amplifiers that are at the forefront in China; in the emerging LED application lamps, except for the night scene decoration. In addition to products, it also includes a variety of projection lights, street lights, table lamps, miner's lamps and other products.
Based on the development needs, the company has built a domestic first-class enterprise scale and level in microcomputer control. At present, it is building a world-class microcomputer controller manufacturing enterprise, mainly in refrigerators, air conditioners, water heaters, automotive electronics, communication equipment, etc. The field is engaged in software development and hardware development and manufacturing. The main customers are international and domestic first-class enterprises, including Electrolux, Carrier, Panasonic, LG, Changhong, Haier, TCL, Midea, AO Smith and so on.
The company is currently actively promoting LED application product development and market construction. In response to the above product development concept, the company is actively promoting its development with the operation mode of the three business divisions. The company's shareholders, Fangjiang Lianchuang Optoelectronics Technology Co., Ltd., Lianfa Group Co., Ltd. and Foshan Hualianxing Electronics Co., Ltd. reached a consensus to jointly increase capital and promote the rapid development of the company's LED products in scale, technology and market.
Jiangxi Lianchuang: Power LED devices and chips form a scale
At present, the company focuses on LED epitaxial materials, chips, devices and LED application products, promotes development through application, enhances technology in development, and forms pillar products with international competitiveness. Seize the opportunity of implementing the industrialization of semiconductor lighting engineering in the country, and take the development of new high-brightness LED device packages such as power type and application products such as special lighting and landscape lighting as a breakthrough. The PLCC series TOPLED devices developed by the company, sidelight side light-emitting devices, full-color backlights for mobile phones, GPS, mobile TV, full-color display modules for household appliances, power LED devices and LED chips have formed scale.
Four-way intelligent transportation: actively promote traffic information display business
Beijing Sitong Intelligent Transportation System Integration Co., Ltd. has a good market foundation and professional technology in the field of LED traffic information display products. Based on the new traffic guidance series LED display (brand) developed by the company, it has a high degree of specialization and meets different requirements. Full dot matrix, embedded, composite and other products, products for traffic environment and requirements, with remote network control, automatic fault monitoring, automatic brightness adjustment, compatible wireless, wired communication and security and confidentiality mechanism, urban traffic in Beijing and the whole country The field is widely used. The company provided a complete set of products from the information display to the control system provided by the Beijing Public Security Traffic Management Bureau, and built an urban traffic guidance system with leading domestic technology and scale.
For the future development, the company will give full play to the technical advantages in the field of traffic information collection, processing and release, and base on the field of intelligent transportation systems to actively promote the business of traffic information display. On the basis of existing products, innovation and improvement, actively develop and promote professional and intelligent traffic information services and information display system products such as road traffic guidance, airport flight dynamic release display, station passenger guidance display and public multimedia information release.
Three colors of Zhejiang University: Optoelectronic analysis equipment has advantages
At present, Zhejiang University's three colors mainly aim at optoelectronic analysis equipment in the field of lighting and display. The products are positioned at the middle and high level, focusing on providing overall solutions for LED application products. In addition to traditional light, electricity, color and other dozens of measuring instruments, the latest development of LED thermal performance comprehensive analysis system, can provide integrated solutions for photoelectric color and thermal performance for the LED lighting industry; LED reliability and life evaluation and testing issues, the introduction of LED reliability and life acceleration equipment, the device can simultaneously accelerate the test of 40 samples, the whole process of optical, electrical, color, thermal parameters during the test, computer records, And the failure rate and life expectancy analysis.
In terms of measuring instruments for LED lighting fixtures, the GMS-2000 Rotating Mirror-type Distribution Photometer launched by Tricolor is a large-scale luminaire optical measuring equipment successfully developed in Germany after LMT in Germany; in the field of display testing Participated in the development of IEC international standards and almost all relevant test standards in China. The newly launched large-screen display measuring equipment was applied to Cree's Huagang Optoelectronics Co., Ltd. in Shanghai. In many respects, Zhejiang University has independent intellectual property rights. .
The next step of the enterprise:
Further strengthen research and development efforts, aim at various new detection problems arising in the development of the LED industry, develop photoelectric detection equipment with independent intellectual property rights, continuously improve the performance of products, and establish a three-color brand internationally.
On the other hand, strengthen the pace of industrialization, including the construction of Zhejiang University's three-color production base in Deqing, improve the infrastructure of the 16,000-square-meter industrial park in Deqing, strengthen personnel training, improve the manufacturing capacity of products, continuously reduce costs, aim at marketization and The development goal of internationalization is constantly advancing.
In addition, we will strengthen cooperation with enterprises in related fields at home and abroad, including peer cooperation, and develop China's semiconductor lighting equipment industry on the basis of mutual benefit.
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