Distributed contact flip chip InGaN/GaN blue LED; comparison with conventional LEDs

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buir.contributor.authorSheremet, Volodymyr
buir.contributor.authorİslamoğlu, Serkan
buir.contributor.authorGülseren, Oğuz
dc.citation.epage13
dc.citation.spage9
dc.citation.volumeNumber128
dc.contributor.authorGenç, M.
dc.contributor.authorSheremet, Volodymyr
dc.contributor.authorElçi, M.
dc.contributor.authorKasapoğlu, A.
dc.contributor.authorAltuntaş, İ.
dc.contributor.authorDemir, İ.
dc.contributor.authorEğin, G.
dc.contributor.authorİslamoğlu, Serkan
dc.contributor.authorGür, E.
dc.contributor.authorMuzafferoğlu, N.
dc.contributor.authorElagöz, S.
dc.contributor.authorGülseren, Oğuz
dc.contributor.authorAydınlı, A.
dc.date.accessioned2020-02-12T12:39:00Z
dc.date.available2020-02-12T12:39:00Z
dc.date.issued2019
dc.departmentDepartment of Physics
dc.departmentAdvanced Research Laboratories
dc.description.abstractThis paper presents high performance, GaN/InGaN-based light emitting diodes (LEDs) in three different device configurations, namely Top Emitting (TE) LED, conventional Flip Chip (FC) and Distributed Contact (DC) FC. Series resistances as low as 1.1 Ω have been obtained from FC device configurations with a back reflecting ohmic contact of Ni/Au/RTA/Ni/Ag metal stack. A small shift has been observed between electroluminescence (EL) emissions of TE LED and the FC LEDs. In addition, FWHM value of the EL emission of DCFC LED has shown the minimum value of 160 meV (26.9 nm). Furthermore, DCFC LED configuration has shown the highest quantum efficiency and power output, with 330 mW at 500 mA current injection, compared to that of traditional wire bonded TE LEDs and the conventional FC LEDs.
dc.embargo.release2021-04-01
dc.identifier.doi10.1016/j.spmi.2019.01.008en_US
dc.identifier.issn0749-6036
dc.identifier.urihttp://hdl.handle.net/11693/53316
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttps://doi.org/10.1016/j.spmi.2019.01.008en_US
dc.source.titleSuperlattices and Microstructuresen_US
dc.subjectLight emitting diodesen_US
dc.subjectLuminescenceen_US
dc.subjectLED performanceen_US
dc.subjectCurrent distributionen_US
dc.titleDistributed contact flip chip InGaN/GaN blue LED; comparison with conventional LEDsen_US
dc.typeArticleen_US

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