Patent ID: 8746942

Claim:
A tubular skylight, comprising: a tubular body ( 2 ) provided with an inner reflecting surface ( 3 ); a light collector ( 4 ) mounted to a first end of the tubular body ( 2 ); a light diffuser ( 6 ) mounted to a second end of said tubular body ( 2 ); a frame ( 8 ) disposed around the diffuser ( 6 ); a source of artificial or indoor light ( 9 ); wherein the source of artificial light ( 9 ) is external to the tubular body ( 2 ) and is positioned at said frame ( 8 ) and that the artificial light does not pass through the diffuser ( 6 ) so that it does not interfere with the natural light; wherein the artificial-light source ( 9 ) comprises a plurality of punctiform light sources disposed all around the diffuser ( 6 ).