Broadband multiple light scattering in white LED diffusers

Willem L. Vos, Teus W. Tukker, Allard P. Mosk, Ad Lagendijk, Wilbert L. Ijzerman

Research output: Contribution to conferencePaper

Abstract

There is a strong worldwide drive to efficient general lighting using white light emitting diodes (LEDs) [1,2]. White LEDs often consist of a semiconductor diode [3,4,5] combined with luminescent phosphors [5] to convert part of the blue light to green yellow, and red. In state-of-the art white-light LEDs one exploits multiple scattering of light [1,2]. The transport of light then becomes diffusive, which serves to obtain a desirable smooth lighting without hot spots and without angular color distribution. Moreover, photons are recycled so that thin phosphor layers serve to improve cost efficiency and reduce environmental impact.

Original languageEnglish
DOIs
Publication statusPublished - 1 Jan 2013
Event2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013 - Munich, Germany
Duration: 12 May 201316 May 2013

Conference

Conference2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013
Abbreviated titleCLEO/Europe-IQEC 2013
CountryGermany
CityMunich
Period12/05/1316/05/13

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  • Cite this

    Vos, W. L., Tukker, T. W., Mosk, A. P., Lagendijk, A., & Ijzerman, W. L. (2013). Broadband multiple light scattering in white LED diffusers. Paper presented at 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, Munich, Germany. https://doi.org/10.1109/CLEOE-IQEC.2013.6800980