Fan Jinyu: Measurement technology leads the technological innovation of the solid-state lighting industry. Under the trend of energy saving and carbon reduction, traditional low-efficiency incandescent bulbs have gradually been replaced.
Among them, the EU has decided to eliminate all incandescent bulbs by 2010 and switch to LED bulbs. It can be seen that white LED is already the mainstream of the next generation of lighting sources, and Taiwan is about to fully use LED street lighting.
LED has become the most popular light source due to its low power consumption, long life and fast response. Since LEDs can save long-term power consumption, LEDs can be widely used in communications, automotive, lighting, and display industries due to their pointing characteristics and color characteristics. When the industry's attention is focused on the development of various new LED technologies and new applications, the product's specification characteristics become an important basis for determining the pros and cons of the products. However, the LED measurement method used in the industry is different from the measurement equipment, which often causes different perceptions of LED performance. Therefore, accurate measurement of LED becomes very important.
For the technological evolution of LEDs, the luminous efficiency of general bulbs is about 15 (lm/W), which is a low condition. The fluorescent lamps are about 60~100 (lm/W), and the LEDs can reach 150 (lm/W). Therefore, in terms of the most important lighting efficiency of lighting, LED has exceeded the level of fluorescent lamps, and LED has the advantages of environmental protection and energy saving compared with fluorescent lamps, which means that the same luminous effect can be achieved by using lower energy. However, the reason why LED is still unable to replace fluorescent lamps is that the cost is too high (about 10 times the difference). Therefore, if LEDs want to replace bulbs, the two most important things are to improve performance and reduce costs. This is also the development of LED industry. The goal that has been pursued since.
In technological innovation, Jingdian has a platform including MOVCD epitaxial technology platform, ITO transparent conductive film technology platform and epitaxial layer technology transfer platform. These three technology platforms have built a strong competitiveness of Jingyuan Optoelectronics.
In the challenge of LED measurement, thermal resistance measurement and thermal characteristics should be considered. The LED measures the energy star LM80 in the illumination to meet the LM80 standard, and the service life of the product can reach 806,000 hours. Due to the requirements of the application, the accuracy of the measurement becomes more and more important. At present, the accuracy of the measurement report provided by the verification laboratory is not in line with the actual demand. The bigger challenge is how to measure accuracy in mass production, how to achieve more accurate, faster, and cheaper. As an LED manufacturer, Jingdian hopes to use lower energy to provide better lighting.
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