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Towards hybrid lighting systems: A review

¹ School of Architecture, University of Liverpool, Liverpool, L69 7ZN, UK, on leave from Al-Azhar University, Cairo, Egypt
² School of Architecture, University of Liverpool, Liverpool, L69 7ZN, UK

^* To whom correspondence should be addressed. E-mail: eb09{at}liverpool.ac.uk.

	Abstract

This paper reviews developments in hybrid light guidance systems. In these daylight and electric light are simultaneously delivered into a building where they are combined and distributed via luminaires. The technology used in hybrid systems, both conceptual and realised, is discussed. The review speculates as to their likely performance in terms of daylight delivery; capital and running costs; user reaction to the systems; potential impact of the systems on the building which they light; and suitable design methods. It is noted that a substantial amount of work remains before the potential of hybrid systems may be realised, notably on their long-term economics and feasibility in different geographic locations.

First published on July 28, 2009
Lighting Research and Technology 2009, doi:10.1177/1477153509103724


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