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Zhang Hai-congA Energy Saving HID Luminaire With Special Reflector for Low Bay Use Yang Dong Shanghai Institute for Lighting and Fitting Research, China Abstract This report describes a special reflector producing a controllable directoin spread light beam which replaces the original reflector-diffuse reflector or aluminium reflector with wave shape surface. The light output of this reflector is higher. It could be installed with a prism bowl reducing the luminances at high angles. Therefore, the new type of luminaire limits the discomfort glare down to a low level and could be used for low bay industry shoplighting.
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