Image Number 3 for United States Patent #7631980.
A luminaire comprising a light source and a lighting panel in front of the light source, wherein light radiation from the light source is transmitted through the lighting panel before it leaves the luminaire. The material of the lighting panel is transparent, and the front surface of the lighting panel is profiled in order to reduce outgoing light radiation that is at a relatively small angle to the plane of the lighting panel. Walls (7, 8) of a less translucent material are embedded in the transparent material of the lighting panel, which walls (7, 8) extend substantially perpendicularly to the plane of the lighting panel.
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