LED-based white light

Aurélien David; Lorne A. Whitehead

doi:10.1016/j.crhy.2018.02.004

LEDs: the new revolution in lighting / Les LED : la nouvelle révolution de l'éclairage

LED-based white light
[Les sources de lumière blanche à base de LED]

Aurélien David ¹ ; Lorne A. Whitehead ²

¹ Soraa Inc., 6500 Kaiser Dr., Fremont, CA 94555, USA
² Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada

Comptes Rendus. Physique, LEDs: The new revolution in lighting / Les LED : la nouvelle révolution de l’éclairage, Volume 19 (2018) no. 3, pp. 169-181.

Résumé
Abstract

Cet article présente l'utilisation des diodes électroluminescentes comme sources de lumière blanche – un sujet à la pointe de la recherche en physique et en ergonomie. Nous présentons d'abord diverses approches technologiques à la génération de lumière blanche. Après une introduction générale au système visuel humain, nous discutons deux aspects cruciaux de la qualité de la lumière : la couleur intrinsèque de celle-ci et le rendu des couleurs des objets illuminés. Nous présentons les outils sous-jacents à la colorimétrie moderne, et examinons les principales métriques du rendu des couleurs : le CRI, ainsi que les derniers progrès dans le domaine.

This article discusses the use of light-emitting diodes to generate white light – a research forefront in Physics and Ergonomics. We first present various technological approaches to white-light generation. After a general introduction to the human vision system, we discuss two key aspects of the quality of white light: the color of the light itself, and the color rendering of illuminated objects. We present the tools underlying modern color science, and review key color rendering metrics, from the well-known color rendering index to the latest improvements in the field.

Publié le : 2018-03-01

DOI : 10.1016/j.crhy.2018.02.004

Keywords: Light emitting diode, Solid-state lighting, Lighting, Color science, Color rendering
Mots-clés : Diode electro-luminescente, Eclairage a l'etat solide, Eclairage, Colorimetrie, Rendu des couleurs

Affiliations des auteurs :

Aurélien David ¹ ; Lorne A. Whitehead ²

¹ Soraa Inc., 6500 Kaiser Dr., Fremont, CA 94555, USA
² Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada

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     author = {Aur\'elien David and Lorne A. Whitehead},
     title = {LED-based white light},
     journal = {Comptes Rendus. Physique},
     pages = {169--181},
     publisher = {Elsevier},
     volume = {19},
     number = {3},
     year = {2018},
     doi = {10.1016/j.crhy.2018.02.004},
     language = {en},
}

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Aurélien David; Lorne A. Whitehead. LED-based white light. Comptes Rendus. Physique, LEDs: The new revolution in lighting / Les LED : la nouvelle révolution de l’éclairage, Volume 19 (2018) no. 3, pp. 169-181. doi : 10.1016/j.crhy.2018.02.004. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2018.02.004/

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