School invests in ‘concentration’ lighting

A PRIMARY school has invested in dynamic colour-tuning LED lighting to boost the concentration of pupils during the notorious afternoon lull.

Herstedlund School in Albertslund, Denmark has installed lighting which switches between warm colour temperature (3000K), cool colour temperature (4000K) and cold colour temperature (6000K).

Generally, the cold 6000K colour temperature is reserved to tackle the low-energy period after lunch while the warm-white light provides a relaxing ambience for breaks.

The lighting is controlled by an internet-enabled and app-based lighting management system with four pre-programmed lighting scenarios, which is controlled by the teachers, who change the lighting mood three times a day on average.

The colour settings and light intensity of all the luminaires in the classroom are individually adjustable, while teachers can also define their own settings.

Seasonal daylight differences and the arrangement of the classrooms, which face in different directions, all have an influence on the lighting conditions.

Generally, the cold 6000K colour temperature is reserved to tackle the low-energy period after lunch while the warm-white light provides a relaxing ambience for breaks.

Researchers at the University of Aalborg developed the specific design criteria for the lighting moods in the classroom – and then turned these into reality by Austrian lighting manufacturer Zumtobel.

The scientists used the lighting infrastructure and the lighting management system to collect data on the use of light in the classrooms over a three-month period.

The findings have now been brought together in a recently published study, which claims that the lighting is a real support to learning at the Herstedlund School.

The luminaires are dimmable round Zumtobel Ondaria 2 fittings.

 

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Comments 3

https://discover.zumtobelgroup.com/study-dynamic-lighting

The language in the article is misleading - this is "CCT-tuning" and not actual "color-tuning." Without showing and considering the Spectral Power Distributions of the two-channel light sources, any results are incomplete. Could you please provide a link to the "recently published study"? All I have been able to find is the Zumtobel press release: http://www.lightlive.com/en/20190307-concentration-at-the-push-of-a-button/

The article sounds good, but I need to see the data. I am suspicious of claims where there is really no need to change the colors. Does the natural day move from 6000k to 4000k to 3000k? Maybe at dusk and dawn, but that is it. Why do we do it in the middle of the day? I have never seen that. Please help me understand and where is the paper published?

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