Patent ID: 7222461

Claim:
A shading system for a roof light positioned in the plane of a roof of a building, comprising a shading surface that prevents direct sunlight from passing through the roof light throughout a solar year and permits the maximum amount of indirect sunlight to pass through the roof light throughout the solar year, where direct sunlight is radiation that arrives at the shading system in a direction substantially parallel to a line extending from the sun to the shading system, and indirect sunlight is radiation that arrives at the shading system in other directions; wherein at least a portion of the shading surface is positioned above the plane of the roof light; and wherein at least another portion of the shading surface is positioned below the plane of the roof light; wherein the roof light is divided up into a plurality of sections; wherein at least a portion of the shading surface positioned above the plane of the roof light prevents direct sunlight from passing through some of the sections of the roof light throughout the solar year and permits the maximum amount of indirect sunlight to pass through the some sections roof light throughout the solar year; and wherein at least another portion of the shading surface positioned below the plane of the roof light prevents direct sunlight from passing through another of the sections of the roof light throughout the solar year and permits the maximum amount of indirect sunlight to pass through the other sections of roof light throughout the solar year.