Lighting device, a method of controlling the same, for selectively emitting light along or against traffic direction

Abstract

The invention proposes a lighting device (250). The lighting device (250) for road lighting comprises a lighting module and a control module coupled to the lighting module, and configured to control the lighting module to radiate a first light beam (221) towards a first direction to generate a first lighting pattern on the road surface (B), when a first predetermined condition is satisfied, and to control the lighting module to radiate a second light beam (231) towards a second direction to generate a second lighting pattern on the road surface (A), when a second predetermined condition is satisfied, wherein the first direction is oriented to go along the traffic direction and the second direction is oriented to go opposite the traffic direction.

Dependencies are inferred from the claim text.