Fudan University mixes LED with natural light to save energy 41

This year's Nobel Prize in Physics was awarded to the inventor of Blu-ray LEDs, and the replacement of traditional light sources by LEDs has become an inevitable trend. This morning, the Department of Light Sources and Lighting Engineering of Fudan University released the latest research results of LEDs on the occasion of the 30th anniversary of the establishment of the Department of Architecture. Among them, the team led by Associate Professor Ge Aiming, for the first time, mixes natural light with LED, and the two are integrated into one, which is a new breakthrough in the application of LED lighting system. The team confirmed through simulation experiments that using integrated natural light and LED hybrid lighting system while maintaining the same indoor light level can save 66.28 more energy than traditional fluorescent lighting, and save more than 41.62 than the LED instead of fluorescent lamp. Electrical energy, truly energy efficient. According to reports, the indoor illuminator of this integrated hybrid lighting system is designed as a small lamp composed of natural light and four LEDs. The outdoor natural light is collected by the light-receiving panel, and is transmitted to the natural light illumination lamp in the middle of the small lamp through the light guide tube as the main light source in the daytime; the LED around the natural light illuminator is controlled by the sensor, and is automatically dimmed according to the change of the introduced natural light at any time. Or fill light, the solar energy stored in the daylight panel will provide power to the LED. Whether it's in the early hours of the morning or at dusk, the outdoors is cloudy or sunny, this lighting system provides 24/7 comfort lighting for the interior. Ge Aiming said that the lighting system has broad application prospects in underground shopping malls, parking lots and large conference rooms that need to be illuminated during the day. Fudan's LED results today include: high-power UV LED light curing system, pulsed plasma discharge for wastewater waste gas treatment applications, aircraft cabin lighting, photovoltaic grid-connected technology, LED applications in agriculture and medical applications, tunnel lighting, Plasma air purifiers, basic research of OLED materials, quantum dot LED technology, etc., these achievements or cutting-edge technologies, or have entered the application field, have practical significance for real life and production. For example, LED lighting technology can increase the light source for some under-lighted crops to ensure its output; LED ultraviolet light can be used for disinfecting water, and can quickly cure paint and reduce pollution; LED is also used for dental treatment. The research on electric light source of Fudan University began in 1960. At that time, the electric light source research group led by Professor Cai Zuquan made China's first high-pressure mercury lamp, which opened the Chinese electric light source technology level from incandescent lamp to gas discharge lamp. prelude. Fudan is also the earliest university in China to establish a department of light source and lighting engineering. At present, it is in the leading position in the domestic research and development of electric light source. Professor Nakamura Shuji, one of the Nobel Prize winners in physics this year, is an advisor to the Fudan Department of Light Sources and Lighting Engineering.

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