| 摘要 |
<p>A signalling device for placement along a roadway, comprising a housing (10) for capturing, at a front side thereof, light emitted by passing vehicles onto a photoluminescent surface (6) disposed in the housing, which photoluminescent surface comprises a luminescent material, as well as a lens (7) for directing the captured light to the photoluminescent surface. The photoluminescent surface lies in a curved plane.</p> |
