Visit the web site of Lighting Research Group in the Environmental Energy Technologies Division of the Lawrence Berkeley National Laboratory
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for insight into lighting controls and communications, human factors, and light distribution systems including daylighting among other useful topics.The suggested use of TEDS (Transducer Electronic Data Sheet -- IEEE P1451) shows how much farther we could go if we could go quickly if we could (quickly) standardize ;-)
Other practical tips include design of LED luminaires for porch lighting to improve visibility of faces as seen using video cameras.
Google "daylighting" for many other forward-looking sources of ideas.
HTH ... Marc Marc_F_Hult
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