Patent ID: 8837048

Claim:
A daylighting apparatus configured to direct natural daylight into an interior of a building, the apparatus comprising: an at least partially transparent light-collecting assembly comprising a sidewall portion and a horizontal collector base aperture; and a light turning assembly comprising a prismatic pattern positioned and configured to turn light transmitted through the at least partially transparent light-collecting assembly towards the collector base aperture, wherein the light turning assembly has a height and a circumference; wherein the prismatic pattern comprises grooves that are defined by opposed faces, wherein the grooves comprise faces of varying angles, wherein the angles of the faces vary at different points along the circumference of the light turning assembly; wherein the daylighting apparatus is configured to provide natural illumination to the interior of the building when the daylighting apparatus is installed on a roof of the building and when the daylighting aperture is aligned with an opening formed in a roof of the building.