Complete solid state lighting (SSL) line at CEA LETI

I. C. Robin; P. Ferret; A. Dussaigne; C. Bougerol; D. Salomon; X. J. Chen; M. Charles; P. Tchoulfian; A. Gasse; A. Lagrange; M. Consonni; H. Bono; F. Levy; Y. Desieres; A. Aitmani; S. Makram-Matta; E. Bialic; P. Gorrochategui; L. Mendizabal

doi:10.1117/12.2060514

25 September 2014 Complete solid state lighting (SSL) line at CEA LETI

I. C. Robin, P. Ferret, A. Dussaigne, C. Bougerol, D. Salomon, X. J. Chen, M. Charles, P. Tchoulfian, A. Gasse, A. Lagrange, M. Consonni, H. Bono, F. Levy, Y. Desieres, A. Aitmani, S. Makram-Matta, E. Bialic, P. Gorrochategui, L. Mendizabal

Author Affiliations +

Proceedings Volume 9190, Thirteenth International Conference on Solid State Lighting; 91900I (2014) https://doi.org/10.1117/12.2060514
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

With a long experience in optoelectronics, CEA-LETI has focused on Light Emitting Diode (LED) lighting since 2006. Today, all the technical challenges in the implementation of GaN LED based solid state lighting (SSL) are addressed at CEA-LETI who is now an RandD player throughout the entire value chain of LED lighting. The SSL Line at CEA-LETI first deals with the simulation of the active structures and LED devices. Then the growth is addressed in particular 2D growth on 200 mm silicon substrates. Then, technological steps are developed for the fabrication of LED dies with innovative architectures. For instance, Versatile LED Array Devices are currently being developed with a dedicated μLED technology. The objective in this case is to achieve monolithical LED arrays reported and interconnected through a silicon submount. In addition to the required bonding and 3D integration technologies, new solutions for LED chip packaging, thermal management of LED lamps and luminaires are also addressed. LETI is also active in Smart Lighting concepts which offer the possibility of new application fields for SSL technologies. An example is the recent development at CEA LETI of Visible Light Communication Technology also called LiFi. With this technology, we demonstrated a transmission rate up to 10 Mb/s and real time HD-Video transmission.

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I. C. Robin, P. Ferret, A. Dussaigne, C. Bougerol, D. Salomon, X. J. Chen, M. Charles, P. Tchoulfian, A. Gasse, A. Lagrange, M. Consonni, H. Bono, F. Levy, Y. Desieres, A. Aitmani, S. Makram-Matta, E. Bialic, P. Gorrochategui, and L. Mendizabal "Complete solid state lighting (SSL) line at CEA LETI", Proc. SPIE 9190, Thirteenth International Conference on Solid State Lighting, 91900I (25 September 2014); https://doi.org/10.1117/12.2060514

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