Publication:
Characterization of high-power white leds for VLC applications

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dc.affiliation.dptoUC3M. Departamento de Tecnología Electrónicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Displays y Aplicaciones Fotónicases
dc.contributor.authorBetancourt, Juan S.
dc.contributor.authorTorres Zafra, Juan Carlos
dc.contributor.authorMorales Céspedes, Máximo
dc.contributor.authorMartínez Sarriegui, Iñaki
dc.contributor.authorValle, Carlos del
dc.contributor.authorSánchez Pena, José Manuel
dc.contributor.funderComunidad de Madrides
dc.contributor.funderEuropean Commissionen
dc.contributor.funderMinisterio de Ciencia e Innovación (España)es
dc.contributor.funderUniversidad Carlos III de Madrides
dc.date.accessioned2022-05-20T08:48:20Z
dc.date.available2022-05-20T08:48:20Z
dc.date.issued2021-12-01
dc.description.abstractDuring the last years, visible light communications (VLC) have been proposed for providing connectivity while ensuring satisfactory illumination in both indoor environments and also specific outdoor scenarios without the need of deploying complex infrastructures for that purpose. Transmission for VLC is carried out through lightemitting diodes (LEDs), which correspond to semiconductors based on PN-junction materials with a direct gap. In this sense, the current flow plays a major role in the behavior and performance of these devices for VLC. Therefore, characterizing the electrical response of high-power white LED results mandatory for the successful implementation of VLC. At this point, it is worth noting that the electrical characterization is usually not available for high-power LEDs since, in fact, determining these characterization results challenging. In this sense, there exist some measurement instruments such as LCRs or impedance analyzers typically employed for characterizing materials and passive electrical components. However, these kinds of instruments are subject to a limited input impedance and a maximum value of forwarding current. In this work, the electrical characterization of the LED LXHL-BW02 of Luxeon is analyzed to show that typically commercial instrumentation for characterizing these devices is limited for high-power LEDs, which may provide polluted results when these limitations are not considered. After that, the characterization of the LXHL-BW02 based on a lock-in amplifier is proposed.en
dc.description.sponsorshipThis research was co-financed by Comunidad de Madrid and the FSE/FEDER Program under grant SINFOTON2-CM (S2018/NMT-4326), the Universidad Carlos III de Madrid under grant 2020/00038/001, and the Ministerio de Ciencia e Innovación and Agencia Estatal de Investigación (PID2019-109072RB-C31), and the European Regional Development Fund (ERDF) EXP 00119337/IDI-2019029.en
dc.format.extent5
dc.identifier.bibliographicCitationPerlaza, J. S. B.; Torres, J. C.; Morales, M.; Martínez-Sarriegui, I.; Valle, C. del I.; Sánchez Pena, J. M. (2021). Characterization of high-power white leds for VLC applications. In: Measurement: Sensors [Proceedings of XXIII IMEKO World Congress, Yokohama, Japan, 30 August-3 September 2021] Vol. 18, 100215, 5 p.en
dc.identifier.doihttps://doi.org/10.1016/j.measen.2021.100215
dc.identifier.issn2665-9174
dc.identifier.publicationfirstpage100215
dc.identifier.publicationlastpage100220
dc.identifier.publicationtitleMeasurement: sensorsen
dc.identifier.publicationvolume18
dc.identifier.urihttps://hdl.handle.net/10016/34864
dc.identifier.uxxiCC/0000033375
dc.language.isoengen
dc.publisherElsevier B.V.en
dc.relation.eventdate21-08-30
dc.relation.eventnumber23
dc.relation.eventplaceYokohama, Japan
dc.relation.eventtitleIMEKO World Congressen
dc.relation.projectIDComunidad de Madrid. S2018/NMT-4326es
dc.relation.projectIDComunidad de Madrid. GEOLUZVEO-CM-UC3Mes
dc.relation.projectIDGobierno de España. PID2019-109072RB-C31es
dc.rights© The Authorsen
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaElectrónicaes
dc.subject.otherVisible light communicationsen
dc.subject.otherLight emitting diodeen
dc.subject.otherImpedance analyzeren
dc.subject.otherLock-in amplifieren
dc.titleCharacterization of high-power white leds for VLC applicationsen
dc.typeconference paper*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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