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    • The Global Lighting Association is a grouping of national and regional lighting associations representing over 5,000 lighting manufacturers and US $75 billion annual sales

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      • Lighting + healthy buildings
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    • Strategic Roadmap of the Global Lighting Industry

      With the advent of high-quality LEDs and intelligent lighting systems, coupled with the discovery of a third photo-receptor in the human eye, the value of lighting is moving from energy efficiency to the wider spectrum of quality of life and improved well-being. The Strategic Roadmap of the Global Lighting Industry charts these developments and draws out important implications for lighting users, for the lighting industry, and for regulators and governments.
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Lighting + healthy buildings

The digitalization of lighting has enabled intelligent lighting systems, integration with the Internet of Things and the development of Human Centric Lighting.

The discovery of the 3rd photo-receptor has given rise to the concept of human-centric lighting. We define human-centric lighting as lighting that supports health, well-being and performance by combining visual, biological and emotional benefits of light.

It is important to note that the biological effects of lighting are only triggered at much higher lighting levels than those required for vision. The current indoor lighting levels of 50-500 lux are generally adequate for vision. However they have little, or no, biological effect. To achieve biological effective lighting we need much higher lux levels. The reason is that humans are diurnal animals, and our biology, conditioned over tens of thousands of years, expects us to be in outdoor lighting conditions. Outdoor light levels during daylight hours are orders of magnitude higher than indoors. Even on a cloudy day, the outdoor light level is at least 10 times greater than indoors.

Need for biologically effective lighting in buildings

 

first picto   second picto
Daylight is dynamic from sunrise to sunset Electric lighting is static from wake-up to go-to-sleep

 

third picto On a sunny day
people outside receive 100 000 lux
fourth picto Indoor in offices people receive 500 lux
fifth picto On a cloudy day
10 000 lux
sixth picto and in schools only 300 lux

 

Lighting needs to be dynamic and tuneable according to use

school hospital elderly

home 2 office factory 

As we move towards the middle of the 21st Century, the focus of building design is shifting from cost and energy to the well-being of occupants.

healthy buildings

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