Lighting: Panorama of the capacities and Impact of Metrology on the development and the improvement of LED technologyJean-Rémy Filtz, Jimmy Dubard, Dominique Renoux, Caroline To Van Trang, Olivier Enouf and Jean GaudemerInternational Congress of Metrology, (2015) 11007DOI: https://doi.org/10.1051/metrology/20150011007