OSRAM LED Street Lighting in Beijing
Mar 11, 2011 As part of the Chinese "10 cities 10,000 lights" project, three districts in the capital Beijing were equipped with LED street luminaires by the HBTechnology CAST Group, using OSLON SSL LED by OSRAM Opto Semiconductors. They ensure that the busy streets are brightly lit and save up to 50% in energy compared with conventional luminaires.
The city planners decided in favour of the powerful OSLON SSL LED by OSRAM Opto Semiconductors. They are part of the 1-W class; with their compact size of only 3 x 3 millimetres, they are currently the smallest LED in their class and luminous efficacy on the market. OSLON SSL LED have a beam angle of 80 degrees and are ideally suited for street lighting. At an operating current of 350 mA, this light source achieves a typical brightness of 110 lm in ultra-white (5700 and 6500 K). At an operating current of 350 mA and a color temperature of 3000 K it achieves a typical efficiency of 82 lm/W and a brightness of 92 lm. And brightness is an impressive 156 lm (warm white) at an operating current of 700 mA.
China is the leading market in LED street lighting, representing approx. 50% of applications worldwide. The pilot project in the capital is to be followed by other cities.
Author: BIO T&T
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