Lighting unit and lighting device for road and / or street lighting

摘要

A lighting unit (! 0) for use in a luminaire (1), in particular a luminaire for road and/or street lighting, has an adaptable light distribution. The lighting unit (10) comprises at least two light sources (1, 121) or groups ought sources, each of said light sources (11, 12) or groups of light source having an individual light distribution characteristic, wherein the overall light distribution of the lighting unit (10) is adapted by modifying the ratio of the light outputs of the at least two light sources (11, 12) or groups of light sources.