Entering the new campus of Tianjin Polytechnic University, the bright LED street lights are particularly attractive. These lamps are not only simple and beautiful in appearance, but also low in energy consumption, low in pollution and long in life. Today, the school's 1500-inch LED street light and 2000-inch LED indoor light have been in operation for a year, saving 1.3 million kWh compared to traditional street lights, equivalent to 500 households a year.
Mentioning these, teachers and students will naturally think of the director of the semiconductor lighting engineering R & D center of Tianjin University of Technology, doctoral student, master tutor Niu Pingjuan. Niu Pingjuan, 37, has been engaged in the research of silicon-based and compound-based optoelectronic devices and application system integration technologies for many years. He has participated in and undertaken research on several national projects, and applied for and obtained 7 patents.
Niu Pingjuan calculated the account: assuming that 30% of global users turn to energy-efficient lighting products, a rough calculation can reduce 260 million tons of carbon dioxide emissions and 460 billion kilowatt-hours of electricity.
Niu Pingjuan established a research team of new semiconductor optoelectronic materials and devices, completed the development of a tile-level power LED with a combination of a new electroplating process and a flip-chip process, and applied it to the 2,800-mu new campus road construction of Tianjin Polytechnic University. It has become the largest semiconductor lighting demonstration project in the world, and its achievements have reached the international advanced level. She presided over the ultra-high-brightness epitaxial wafer power chip project and the high-end semiconductor lighting product development and industrialization projects. The Tianjin enterprises invested 100 million yuan and 220 million yuan respectively, which was included in the 20 major independent industrialization projects in Tianjin. The project implementation plan has entered the large-scale implementation stage. The two enterprises supported by the transformation of this technological achievement have realized sales revenues exceeding 50 million yuan.
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