Recently, the high-power and high-brightness LED chips of Jiangsu Province's scientific and technological research projects undertaken by the Physics College of Yangzhou University have made important progress. The first batch of prototype samples have been on-line for 1000 hours of performance testing. This new light source chip independently developed by China will be used to replace similar foreign products.
It is understood that LED is currently an energy-saving light source product developed by countries all over the world, which is used to replace the traditional electric light source, and the chip is the "brain" of LED. However, at present, domestic LED chips are weaker than imported chips in terms of life, brightness, and cost performance, resulting in high final product cost, difficulty in popularization among general consumers, and high-end products relying on imports.
According to Prof. Zeng Xianghua from the Institute of Physics of the University of Science and Technology, the research team consisting of 10 researchers from the Optoelectronic Research Center of the institute cooperated with Yangzhou Huaxia Optoelectronics to carry out school-enterprise cooperation to redesign the structure of the domestic chip and focus on solving the calorific value. Large stability, fast decay and other stability issues to improve their service life. Zeng Xianghua said that the first batch of new chip samples have been successfully trial-produced and have obtained three national patents. After 1000 hours of continuous charging test, the researchers will also improve the details, and the stable life of the new chip can be increased to 50,000. More than an hour. It is reported that the new chip is independently developed by China, which will greatly reduce the LED manufacturing cost and eventually be used to replace imported chips.
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