Light for lighting work areas in an office comprises a light-guiding plate with a transmission zone for irradiating light upward

摘要

Light comprises a light-guiding plate (5) with a transmission zone (10) for irradiating light upward. The transmission zone is provided with a transmitting Fresnel structure. Preferred Features: The plate is formed as a circular plate and a reflection zone (9) and the transmission zone are concentrically arranged on the plate so that the reflection zone extends up to the outer edge of the plate and surrounds the transmission zone.