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Comptes Rendus Physique
Volume 19, n° 3
pages 159-168 (mars 2018)
Doi : 10.1016/j.crhy.2017.10.014
LED lighting, ultra-low-power lighting schemes for new lighting applications
L'éclairage LED, concepts d'éclairage à ultra-basse consommation d'énergie pour de nouvelles applications
 

Marc Fontoynont
 Danish Building Research Institute, Aalborg University, Copenhagen, Denmark 

Abstract

In 2018, Solid-State Lighting (SSL) can totally outperform, if properly designed, most of other lighting products used for general lighting applications. This concerns various attributes such as luminous efficacy, life, spectral qualities, dimming potential, and more and more total cost of ownership. SSL can also mimic a large variety of reference light sources from candlelight to sunlight. The absence of international standards concerning LED modules remains the major difficulty for luminaire manufacturers and their clients, since perfectly matching replacement of ever-changing LED modules is not guaranteed over time. But extraordinarily innovative lighting schemes can be developed, bridging the gap between the world of entertainment and the world of general lighting, and leading to new lighting schemes with more powerful emotional content. LED sources, mostly DC driven, also can benefit from progress in photovoltaics and batteries, as well as wireless control to offer integrated solutions. This could radically change the operation of lighting in the next 10 years.

The full text of this article is available in PDF format.
Résumé

En 2018, les dispositifs luminescents solides (SSL) peuvent surpasser, s'ils sont correctement conçus, la plupart des autres systèmes d'éclairage couramment utilisés. Ceci concerne différentes caractéristiques telles que l'efficacité lumineuse, la durée de vie, les qualités spectrales, le potentiel de gradation et, de plus en plus, le coût total de possession. Les SSL peuvent aussi imiter une large variété de sources lumineuses de référence, de la chandelle au soleil. L'absence de standards internationaux concernant les modules LED reste la difficulté majeure pour les fabricants de luminaires et leurs clients, puisque la possibilité de remplacement à l'identique de modules LED qui changent régulièrement n'est pas garantie dans le temps. Mais des schémas d'éclairage extraordinairement innovants peuvent être développés, jetant une passerelle entre le monde des loisirs et celui de l'éclairage généraliste, conduisant à de nouveaux modes d'éclairage avec un contenu émotionnel encore plus puissant. Les sources LED, pour la plupart alimentées en courant continu, peuvent aussi tirer bénéfice des progrès dans les domaines de l'énergie photovoltaïque et des batteries, aussi bien que dans celui du contrôle sans fil pour offrir des solutions intégrées. Cela pourrait changer radicalement la mise en œuvre de l'éclairage dans les dix prochaines années.

The full text of this article is available in PDF format.

Keywords : Efficient lighting, Daylighting, Colour rendering, Total Cost of Ownership, Virtual Reality

Mots-clés : Eclairage efficace, Éclairage naturel, Rendu de couleurs, Coût total de possession, Réalité virtuelle




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