(CFLs) or other lamps arranged vertically, ie one lamp above the other, with a reflective
septum in between. By selectively turning on one or both of the CFLs, down lighting, up
lighting, or both up and down lighting is produced. The control system can also vary the light
intensity from each CFL. The reflective septum ensures that almost all the light produced by
each lamp will be directed into the desired light distribution pattern which is selected and …