Smart Lighting

Dear Colleagues,

The successful production of highly-efficient blue light emitting diodes (LED) was a remarkable milestone in lighting technology. This enabled the development of LEDs for general lighting in public and commercial places, as well as in homes.

Moving from traditional incandescent and fluorescent light sources to LED lighting was originally driven by energy savings achieved by replacing the light bulbs with LEDs, either retrofit or by new luminaires. Soon, however, the nature of LEDs being solid-state devices was utilized and the energy efficiency was shown to be improved by adding intelligence into lighting control.

Alongside, the understanding of the effect of light and its different spectral components to the human wellbeing is increasing. An important step in this matter was the discovery of non-visual light sensing pathway in the human eye including the intrinsically photosensitive retinal ganglion cells (ipRGC), sensors regulating the circadian rhythm.

The shift to LED luminaires has therefore led to a shift in lighting technology from static to highly dynamic, requiring the integration of color science, human psychology and physiology, advanced electronics, sensor technology and the Internet of Things.

This Special Issue covers all aspects of novel lighting systems, where intelligence has been embedded into the lighting system. These include methods for light production, energy saving, control systems, visible light communications, as well as developing lighting for wellbeing, context aware lighting and lighting for special needs. Both indoor and outdoor lighting are covered and the applications in the new fields of intelligent lighting in game industry, spectral imaging, etc., are also welcome.

Prof. Jussi Parkkinen
Prof. Alain Tremeau
Dr. Vineetha Kalavally
Guest Editors

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