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Reducing the circadian input from self-luminous devices using hardware filters and software applications
Escofet Soteras, Jaume; Bará Viñas, Salvador
Universitat Politècnica de Catalunya. Departament d'Òptica i Optometria; Universitat Politècnica de Catalunya. GOAPI - Grup d'Òptica Aplicada i Processament d'Imatge
The widespread use of self-luminous devices at nighttime (cell-phones, computers, and tablets) raises some reasonable concerns regarding their effects on human physiology. Light at night is a known circadian disruptor, particularly at short visible wavelengths, and it seems advisable to have practical tools for tailoring the spectral radiance of these displays. We analyse two possible strategies to achieve this goal, using hardware filters or software applications. Overall, software applications seem to offer, at the present time, the best trade-offs for controlling the light spectra emitted by existing devices. We submit that such tools should be included as a standard feature on any self-luminous device and that their default settings should be established according to the best available knowledge on the circadian effects of light.
Àrees temàtiques de la UPC::So, imatge i multimèdia::Dispositius de so, imatge i multimèdia
Àrees temàtiques de la UPC::Ciències de la visió::Òptica física::Llum
Electroluminescent display systems
Cell phones
Tablet computers
Human physiology
Liquid crystal displays.
Circadian cycles
light at night
self-luminous devices
hardware filters
software applications.
Ordinadors portàtils
Telèfon mòbil
Dispositius optoelectrònics
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