Circadian Lighting

SCIENTISTS say they have identified the exact wavelength of light which controls the sleep-wake cycle of humans.  A paper, published in the Journal of Biological Rhythms today, reveals that 477 nanometres is the most potent light to control people’s circadian rhythm.  The researchers have dubbed it ‘Circadian Blue’. The study has major implications for how...
Circadian Lighting

THE LUMEN, a measure of lighting since the 1920s, is outdated and needs replacing, one of the world’s top lighting scientists has claimed.  Dr Christopher Cuttle, lecturer in Advanced Lighting Design at the Queensland University of Technology in Brisbane, Australia, says that the notion of a fundamental unit of light is no longer tenable and...
Circadian Lighting

AN INSTALLATION of circadian lighting at a care home in Derbyshire, UK, has reduced the number of falls experienced by its elderly residents, it has been revealed.  The spectrum-controlled lights at the 60-bed Heanor Park care home led to a ‘significant reduction in the amount of falls a care home would usually experience’ with only...
Circadian Lighting

AFTER YEARS of development, Dutch lighting giant Signify has unveiled its rival to the Coelux artificial skylight which wowed the lighting industry on its launch in 2014 and went on to win multiple awards. Dubbed NatureConnect, Signify’s LED-based system has the key characteristic of the Coelux of a perception of space and depth beyond the...
Circadian Lighting

ONE OF THE world’s biggest technology brands has unveiled so-called ‘human-centric’ lighting technology in the belief that the market is moving towards tuneable lighting. Korean giant Samsung announced its first human-centric LED packages, which are designed to be built into lights by luminaire manufacturers. Unusually, Samsung is claiming the its range of modules – known...