LIGHTING DEVICES AND METHODS FOR PROVIDING COLLIMATED DAYLIGHT AND AUXILIARY LIGHT
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United States of America Patent
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Issued Date -
Apr 4, 2013
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2011
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Abstract
Lighting devices and methods for providing collimated daylight and auxiliary light are disclosed. Some embodiments disclosed herein provide a daylighting apparatus including a tube having a sidewall with a reflective interior surface, one or more auxiliary light sources, and a collimator. In some embodiments, the tube is disposed between a transparent cover positioned to receive daylight and a diffuser positioned inside a target area of a building. In certain embodiments, the tube is configured to direct at least a portion of the daylight transmitted through the transparent cover and/or at least a portion of generated auxiliary light towards the collimator and the diffuser.
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