The semiconductor lighting industry is facing a rare historical opportunity. The output of LED packaging and application products in China has accounted for 70% of the world's total. The development of the LED industry is taking advantage of the development of the LED industry. It is actively developing in the direction of advantages, promoting technological progress and maturity of production processes, thus promoting China's semiconductor industry. The overall advancement of lighting technology has also played a crucial role in the arrival of the era of semiconductor lighting.
On August 30th, the 8th High-tech LED Industry Summit held in conjunction with the High-tech LED Boutique Exhibition was held in the Century Hall of the Shanghai International Convention Center. The technical section of the forum revolves around "LED Lighting Technology - Problems and Solutions", LED lighting design and application engineering - the theme of deciding the segmentation field, etc. The sapphire production process in the whole industry chain of LED, middle and lower reaches, LED epitaxial chip technology at home and abroad, phosphor, detection equipment, LED devices and modules, and OLED From the point of view to the topic, I shared a comprehensive key technology with the guests. Participants expressed that it was a very rare training and promotion opportunity.
Dr. Sun Decai, senior manager of product development at Philips Lumileds, said that from the US Department of Energy's light-efficiency circuit diagram, it can be seen that by 2020, white LED light efficiency can reach 250lm/w. Four or five years ago, scientists believed that blue light plus phosphors could reach 400 lm/w, which is impossible to achieve. Only green light can be used, and red light is lower than blue light. In addition, Haitz Law mainly predicts luminous flux and lm/$. Lm/Package is almost doubled every two years, and each LED package light output can predict more than a few thousand lumens, or even tens of thousands. In fact, the general light output of general lighting is around 100~1000lm. At present, the cost per lumen is about 0.1 cents, the cost is relatively low, and the production cost of white LED is declining.
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