——Interview with Mr. Zhang Jiliu, Chairman of Hangzhou Zhongwei Photoelectric Technology Co., Ltd.
What is the development of the domestic LED measurement field?
First of all, the LED industry development has put forward higher and higher requirements for detection technology. China is the world's LED packaging and chip production concentration, and the detection requirements for LED are also increasing; as one of the many LED inspection products companies How to push the field of self measurement to a more complete and diversified state; then it is necessary to have a forward-looking thinking to see the overall future of the market.
In fact, we are paying more and more attention to the actual market of lighting and power supply in the future. In the future LED application field, there should be more high-power module applications and integrated LED packaging products, which are almost the current mainstream. We are also working hard to develop higher power LED output and detection.
Within a short period of time, the leader of the true whole plant planning LED test will be born. Therefore, I believe that no one in today's domestic LED measurement companies can achieve complete and full-scale planning and actual investment in production; because it must take considerable time and cost to collect and then do, most manufacturers are only a company. Some products have been implemented earlier and become one of the more mainstream testing equipment, rather than planning a complete and complete production line for users from start to finish. However, we believe that in a very short period of time, we will produce the true LEDs related to the whole plant planning to provide the most valuable and competitive manufacturers in the LED market. Of course; that is not necessarily true, and it is likely to be in the middle!
What is the sales situation of the LED inspection product market?
According to the statistics of the National Semiconductor Lighting Engineering and Industry Alliance, the sales situation of the LED testing products market increased by 64.5% in 2010 compared with last year; the market growth rate of online testing equipment will reach 56.3%. This data is commendable, reflecting the growth of the Chinese LED market in the world and his importance. Excluding imported first-line LED companies, mid-to-high-end and mid-end LED manufacturers are increasingly willing to adopt and rely on domestically-recognized testing products, instead of investigating the testing equipment brands used by foreign LED manufacturers, market applications. More and more widely, the testing products currently needed are more and more diversified; and what we need to pay attention to is the real needs of the actual users! How to make customers feel at ease!
Please introduce the products that have recently been introduced to the market and their selling points.
In fact, Hangzhou Zhongwei Optoelectronics has a wide range of testing equipment, from standard testing in the laboratory to production and quality assurance testing equipment used in packaging, and then to the on-line testing equipment for the application. Perhaps it is One of the leading companies in the market. The products we pay most attention to in so many products are nothing more than the online testing equipment for lighting products, the automatic testing equipment, the lighting inspection and laboratory products (the contents of the following five products can be explained selectively) .
The fully automatic high-power LED splitter (X5) is the only product with intellectual property rights in China and is in a leading position in China. With advanced technology and stable transmission transmission structure, the company's self-developed test instruments are used to make the machine test results more accurate and faster. The material tube is automatically fed, and the high-precision transmission mechanism high-power LED is sent to each station for photoelectric test, and then the high-power LED is distributed to each material tube through the classification mechanism according to the test result. In addition, the device adopts 320×240 intelligent liquid crystal touch screen display to monitor the status of the machine in time. The red, green and yellow three-color warning lights and buzzer can prompt the operation of the operator's machine, which is convenient to operate and stable in performance.
Fully automatic SMD LED splitter (X7), for different models of SMD, its production capacity is between 10K-18K. It is a fully automatic SMD LED inspection and sorting machine developed and produced by Zhongwei Optoelectronics. Its technology is closely related to Japan, and its product performance surpasses that of similar models in Taiwan, and it is in a leading position in China. Advanced technology and stable transmission transmission structure, combined with the company's self-developed test equipment, the machine test results are accurate and fast. Circular vibrating plate, parallel vibrating track feeding (which is imported from Japan), and then sent by the imported cam mechanism to each station for photoelectric test, then the SMD LED is distributed to each box through the classification mechanism according to the test result. Inside. The PLC and intelligent liquid crystal touch screen display are used to timely and accurately monitor the status of the machine. The red, green and yellow three-color warning lights and buzzer can prompt the operation of the machine personnel, and the speed is fast and the performance is stable.
SMD LED automatic high-speed spectrometer (FH7), in addition to all the functions of X7, the sub-BIN speed reached 9K-30K.
Fully automatic SMD LED packaging machine (X8), for different models of SMD, its production capacity is between 16K-28K. Its technology surpasses similar products in Taiwan and is in a leading position in China. The control part adopts PLC and intelligent liquid crystal touch display screen, which can monitor the status of the machine in time. The red, green and yellow three-color warning lights and buzzer can prompt the operation of the machine personnel. Feeding through a circular vibrating plate and a parallel vibrating track (which is imported from Japan), and then sending the patch material to each station for electrical testing and polarity testing by the imported cam, and then testing the patch material in the same direction. The order is fed into the tape and finished. In addition, this equipment is equipped with a Japanese original visual discrimination system to detect the appearance of the material and the position of the tape, which can ensure the quality of the machine package. The main mechanical and electronic components are imported and the performance is stable.
LED automatic placement machine (T5), which is a new production equipment for the LED lighting industry after the photoelectric input into the LED packaging industry testing and production equipment. This equipment is a special automatic sticker developed for SMD LED lighting. Tablet machine. It can produce a maximum patch length of 1200mm. Solved the problem that the universal mounter has insufficient patch length. If the customer has special needs, the patch length can be extended to more than 2400mm. This machine can also be applied to the placement of products such as "large size display".
What is the judgment of future technology trends?
We believe that the future technological breakthroughs will be in the following aspects:
First, the chip's light efficiency will be further improved: Mark McClear from Cree pointed out that Cree's XP-G has now exceeded 140lm/W for 1W LEDs. The stability and control of Bin, color temperature, color coordinate points, and cost reduction are the next challenges on the LED road. 150lm/W is an important critical point indicator. It has reached this level. It is a major breakthrough in the lighting market in terms of light efficiency, which means that LED lighting products have met the requirements of light efficiency in terms of performance.
Second, packaging technology will have a big development: from the overall perspective of the industry, the importance of the packaging phase is not weaker than the chip. At present, there is still much room for improvement in high-power packaging technology, and the speed will be faster. The improvement of packaging technology will reduce costs and increase production efficiency. This is an inevitable trend.
Also, the localization of chips and core equipment is inevitable. Localization is not a "cottage", but an independent innovation in technology, manufacturing core technology, and patents. Only after this is achieved can it be possible to really reduce costs. LED lighting will really enter thousands of households.
Specifically, the LED detection industry in which it is located, the future grasp of chip detection technology, LED module, BIN of high-power LED, online detection of lamps will be an important direction.
Opportunities in the field of LED lighting are rare: with the arrival of 2012, all major economies in the world, including China, will ban the production and sales of incandescent lamps. This also creates conditions for LEDs to enter home lighting. I hope that China will engage in semiconductor lighting. Colleagues can seize this once-in-a-lifetime opportunity to improve LED performance, reduce the cost of LEDs, and contribute to the early entry of semiconductor lighting into the home.
Specific to the testing industry, sophisticated testing equipment is crucial to the LED industry: it can be tested and compared with internationally recognized testing institutions to improve the quality, testing capability and authority of China's semiconductor lighting products, so that China's semiconductor lighting industry is truly in line with international standards. . Zhongwei Optoelectronics is making unremitting efforts to achieve this goal.
What are the important steps to reduce product costs?
At the current stage of LED product marketing, price and cost are the biggest obstacles. To reduce the price of LEDs to the price of existing luminaires, the joint efforts of various manufacturers are required to reduce costs. In the near future, under the premise of continuous maturity of LED technology and continuous improvement of luminous efficiency, the advantages of LEDs and the advantages of energy saving can be used to compensate for the disadvantages of lamps.
Breakthroughs in equipment cost reduction are in terms of technology and efficiency: by providing the market's leading high-power line powder replenishing equipment, improving production yield rate; developing domestic leading, international-level spectrometers, packaging machines, and improving customers' Production efficiency and so on. Ultimately, the reduction of customer finished products is achieved, thereby reducing the price of LED products on the market.
In the field of LED applications: customers can apply our laboratory testing products to test incoming materials. At the same time, it is also possible to “detect†existing products and find the key points of the problem through screening. From the material selection, we put forward strict requirements, design products that meet the market requirements, minimize the reduction of raw material requirements, and achieve a balance between performance and cost.
In the future, the measures to reduce costs: With the localization of chips and the development of LED module packaging technology, mature high-power LEDs, white LEDs, LED chips, LED modules and LED application products online testing equipment are just around the corner. By then, the cost of LEDs will be Will get a certain degree of reduction.
How to position the future development strategy of the company?
We are focused on the LED equipment industry. In order to start from LED testing equipment, the technical ability is also concentrated in the field of testing equipment. Focus on the LED industry and implement the development philosophy of “focusing on semiconductor lighting and providing the most complete solutions and equipment for the industry chainâ€. Laboratory testing equipment for upstream epitaxial growth and supporting industries, as well as online testing equipment for LED chips, LED packages (high power, etc.), LED modules, and LED application products will be our future strategic aspects.
The LED industry is still in the period of technology-driven development. Just as our IT industry operating systems are constantly upgrading, LEDs are constantly evolving. The existing LED detection equipment is mainly for the middle and lower reaches of the LED industry chain, especially the LED online detection equipment is only for the LED chip package, which is far from meeting the actual detection requirements. At present, the technology of LED is still in rapid development. No matter whether it is epitaxial material, chip preparation or packaging application technology, it has not yet developed to a relatively mature stage. For this point, the photoelectric is always firm.
In the future, Zhongwei will continue to focus on the target market, continue to play its own research and development advantages, not lose self in the face of market performance, and at the same time lead the development of the testing industry.
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