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Delphi4LED

From Measurements to Standardized Multi-Domain Compact Models of LEDs – LED first Digital Twin

Europe is leading thermal research worldwide in terms of thermal measurement and modelling techniques. The aim of the H2020 Delphi4LED project is to help maintain this leadership in the specific field of LEDs. The European lighting industry aims at reducing cost, at continuously improving product performance while reducing time to market and enlarging the product.

The past two decades have seen growing adoption of Light Emitting Diodes (LEDs) thanks to their improved efficacy and decreasing cost. As the LED component is commoditizing, the lighting industry is entering another era with more demanding customers, market acceleration, and integration that extends beyond lighting (e.g. sensors). Industry 4.0 – the fourth industrial revolution that exploits automation and data exchange – favors acceleration and customization. To stay competitive, the lighting industry should embrace the digitalized early phase of development, currently at its infancy to create space for new innovation beyond lighting (e.g. LiFi). A primary challenge to this approach is establishing ways for system integrators to have sufficiently detailed information on components without requiring LED suppliers to disclose confidential information.

The Delphi4LED H2020 ECSEL R&D project of the EU proposes a means to accelerate the transition to this new paradigm by creating the very first multi-domain LED “digital twin” from measurements and characterization. Its objective is to develop testing and modelling methodologies aimed at multi-domain characterization of LED-based products at different levels of integration along the solid state lighting (SSL) supply chain.

The main challenge for the design of LED components into lighting systems is the temperature and current dependence of their performance. The 15 Delphi4LED partners are engaged in this adventure to develop a standardised method to create multi-domain (thermal-optical-electrical) LED based design and simulation tools for the solid-state lighting industry. Along with the creation of the LED digital twin, improvement of standard for characterisation of LED are proposed at JEDEC and standardisation of LED data reporting in the form of an e-datasheet (=electronic datasheet) will be submitted at the CIE standardisation body.

Start/End duration June 2016 - May 2019 (36 months)
Funder under H2020-EU.2.1.1.7, ECSEL-RIA - ECSEL Research and Innovation Action
Coordinator SIGNIFY NETHERLANDS BV, Netherlands
Total partners 15
Partners BME (HU), ECCE'LECTRO (FR), Flexbright (FI), SYLV (BE), INGELUX (FR), LDC (FI), Magillem Design Services (FR), MGC-UK (IE), MGC-HU (HU), PHILIPS FRANCE (FR), PHILIPS (NL), PIL (CH), PISEO (FR), TU/e (NL), VTT (FI)
Overall budget € 9 710 627,50
EU contribution € 2 775 462,63
Website delphi4led.org
News delphi4led.org/newspage
Article ECSEL book of projects Vol.1