Lighting system combining daylight concentrators and an artificial source

Claim 1

A combined lighting system for an interior of a building comprising: a non-rotative stack means, composed of at least one luminescent solar concentrator (LSC), for receiving daylight; said LSC stack means being located outside of the building, having a bottom with at least three sides, and being composed of a plurality of differently colored light absorbing plates; an optical conduit means, having two ends and being coupled to one of the sides of the stack means, for transmitting light from the LSC stack means; a lens means, positioned at an end of the optical conduit means, for collimating the light at a set angle; an interior fixture means, having two ends and being coupled at one end to the optical conduit means, for receiving light at the set angle from the collimating lens means and for distributing the light as illumination into the building interior; a source means, positioned at an opposite end of the fixture means, for directing artificial light into the fixture means for distribution as illumination into the building interior; an automatic means, connected to the artificial light source means, for dimming and brightening the artificial light distributed as illumination; daylight sensor means, positioned outside the building near to the LSC stack means, for controlling the automatic dimming and brightening means in response to the daylight sensed; means, positioned behind the artificial light source means, for reflecting the artificial light back into the fixture means; reversible fan means, positioned behind the reflecting means, for exhausting heated air from the artificial light source means through the optical conduit means and out of the fixture means during summer and in warm climates and for forcing the heated air from the artificial light source means through the optical conduit means and into the fixture means for passage into the building interior during winter and in cold climates; and ventilation opening means, positioned behind the fan means, for exhausting heated air from the artificial light source means through the optical conduit means and out of the fixture means during summer and in warm climates.