Lamp for mounting to ceiling of building space and for illuminating floor surface or building surface, has light path formed between light emitting surface and dark-light reflector, which is free of photometric effective elements

摘要

The lamp (10) has a light emitting surface (15) which is provided with the LED (14), a reflector (16), a lamp housing (18), and a light exit opening. The reflector is formed as a dark-light reflector. The light emission surface is extended into the interior (20) of dark-light reflector or to the interior of dark-light reflector edge. The light path between the light emitting surface and the dark-light reflector is free of photometric effective elements.