The new light emitting diode light source can be integrated energy saving 60%

Xinhuanet.com December 11 Beijing Xinhua (reporter Li Jiangtao) new LED developed in Tsinghua University (LED English abbreviation) city road lighting breakthrough technology bottlenecks, making the actual illuminance distribution of LED lamp is approximately rectangular, illuminance distribution than the current road integrated energy-saving high-pressure sodium lamp more than 60%.

According to the introduction, the traditional street lamp used high-pressure sodium lamp, the illumination uneven distribution of illuminated objects, color distortion, severe glare, short service life and maintenance rate of disadvantages, the overall low efficiency of glazing. The luminous efficiency of white LED is high, and has low production cost, stable performance, easy to accept market devices, high efficiency and energy saving, long life and good color rendering index, it is likely to become the first choice for the next generation of new street. However, the production of high power LED street lamp is faced with a high level of optical and thermal technical barriers.

Special problems for power type LED used in city road lighting, Tsinghua University State Key Laboratory of Integrated Optoelectronics Research Group of Professor Luo Yi established science and technology research group, has made a major breakthrough in the optical system of LED lamp and heat dissipation structure recently obtained with independent intellectual property rights, high light extraction efficiency rectangular uniform power type LED package for the intensity distribution of optical system. After testing, single power white LED than the current use of high-pressure sodium lamp comprehensive energy saving of more than 60%.

Guangdong Dongguan KingSun group jointly with Tsinghua University, successfully packaging and application technology with independent intellectual property rights of the power type LED has the implementation of the industrialization of tsinghua. At the same time, the two sides have made great progress in the high efficiency, high reliability, intelligent cluster LED drive technology, unique industrial LED street lamp assembly technology.

Road lighting at present this new type of lighting products have been successfully applied in Changping Town, Guangdong city of Dongguan province Guangdong Science Center and the Tsinghua University stadium, achieved good energy-saving and lighting effect. According to estimates, if the road lighting are efficient and new LED lamps, a year can save 42 billion kwh of electricity, equivalent to saving 15 million 800 thousand tons of standard coal, nearly a year yield of several large coal mine.

Source: Xinhua Beijing channel