Dr. Josep Carreras holds a PhD. in Physics (cum Laude, UB best-student extraordinary Prize 2008) from the University of Barcelona in 2007 and since 2009 he is the head of the Lighting group at IREC. He has a long-track record of scientific results in optics and photonics, holds more than 40 articles in peer-reviewed Journals and several patents. For the last 15 years, he has been working in public and private projects on photonics as well as in the physics underlying color science and technology. Josep Carreras is member of the TC1-90 of the CIE and leads several initiatives related to SSL, such as the 5 million€ HILED project.
Human-centric Intelligent LED engines with full-spectrum tunability
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The 3-years project funded by the European Commission Hi-LED is coming to an end. Hi-LED (www.hi-led.eu). The Hi-LED project, coordinated by the Catalonia Institute for Energy Research, has advanced the state of the art of Solid State Lighting (SSL) through research on innovative light engines that take advantage of full spectral control of light. The incorporated intelligence enables responsive fine tuning of spectral properties in real time, as well as IoT connectivity and friendly user interaction. These smart engines with added intelligence offer natural illumination patterns that respect our biological circadian rhythms. Different light spectra have been thoroughly studied in the project through an accurate selection of the commercially available wavelengths.
In this talk, after a technical presentation of the light engines used in the project (and about to be commercialized by the spin-off company Ledmotive Technologies), final conclusions and results will be given regarding the different pilots undertaken in the Human Centric Lighting domain, including a quantification of different light spectra (metamers) on melatonin suppression, reaction times, sleep and other important human-centric related parameters.
Finally, a future prospect on how these technologies can get a fast acceptance and penetration in some market segments will be given, within the framework of connectivity and the concept of Digital Light, perfectly integrated in the upcoming future smart cities and societies.