Lighting device e.g. for emergency lighting has light source enclosed by separate cover element providing light storage effect

摘要

The lighting device has a light source (2), e.g. a tubular fluorescent lamp and a separate cover element (6), formed as a hollow body enclosing the light source, so that it is positioned in the light path of the light emitted by the light source and which is made of a plastics material incorporating fluorescent pigments.