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Conference Paper: Top emitting OLEDs with multi-layered mirror consisting of metallic and dielectric layers

TitleTop emitting OLEDs with multi-layered mirror consisting of metallic and dielectric layers
Authors
KeywordsMicrocavity Oleds
Issue Date2006
Citation
Conference On Optoelectronic And Microelectronic Materials And Devices, Proceedings, Commad, 2006, p. 188-191 How to Cite?
AbstractWe report on an investigation into the design and optimization of multi-layered mirror structures for top-emitting Organic Light Emitting Diodes (OLED). Our results show that the six-layer top mirror structure with optimally designed dielectric-enhanced metallic capping mirror proposed here exhibits more than three-fold improvement in the device luminance over the conventional LiF|Al top mirror The optical and electrical simulations were performed on a set of microcavity OLEDs consisting of widely used organic materials, N1N′-di(naphthalene-1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq3) as emitting and electron transporting layer. Ag was used as the anode/bottom mirror for maximum reflection. In order to optimize both the injection characteristics of the cathode and the cavity effect the structure of the multilayer top mirror was optimized, the structure used was a combination of a thin LiF/Al cathode capped by metallic and dielectric layers. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated for devices with different top mirror configurations. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/176189
References

 

DC FieldValueLanguage
dc.contributor.authorLu, AWen_US
dc.contributor.authorChan, Jen_US
dc.contributor.authorRakić, ADen_US
dc.contributor.authorNg, AMCen_US
dc.contributor.authorDjurišic, ABen_US
dc.date.accessioned2012-11-26T09:06:42Z-
dc.date.available2012-11-26T09:06:42Z-
dc.date.issued2006en_US
dc.identifier.citationConference On Optoelectronic And Microelectronic Materials And Devices, Proceedings, Commad, 2006, p. 188-191en_US
dc.identifier.urihttp://hdl.handle.net/10722/176189-
dc.description.abstractWe report on an investigation into the design and optimization of multi-layered mirror structures for top-emitting Organic Light Emitting Diodes (OLED). Our results show that the six-layer top mirror structure with optimally designed dielectric-enhanced metallic capping mirror proposed here exhibits more than three-fold improvement in the device luminance over the conventional LiF|Al top mirror The optical and electrical simulations were performed on a set of microcavity OLEDs consisting of widely used organic materials, N1N′-di(naphthalene-1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq3) as emitting and electron transporting layer. Ag was used as the anode/bottom mirror for maximum reflection. In order to optimize both the injection characteristics of the cathode and the cavity effect the structure of the multilayer top mirror was optimized, the structure used was a combination of a thin LiF/Al cathode capped by metallic and dielectric layers. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated for devices with different top mirror configurations. © 2006 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofConference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMADen_US
dc.subjectMicrocavity Oledsen_US
dc.titleTop emitting OLEDs with multi-layered mirror consisting of metallic and dielectric layersen_US
dc.typeConference_Paperen_US
dc.identifier.emailDjurišic, AB: dalek@hku.hken_US
dc.identifier.authorityDjurišic, AB=rp00690en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/COMMAD.2006.4429912en_US
dc.identifier.scopuseid_2-s2.0-44849090700en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-44849090700&selection=ref&src=s&origin=recordpageen_US
dc.identifier.spage188en_US
dc.identifier.epage191en_US
dc.identifier.scopusauthoridLu, AW=15035693100en_US
dc.identifier.scopusauthoridChan, J=9234340000en_US
dc.identifier.scopusauthoridRakić, AD=35618124100en_US
dc.identifier.scopusauthoridNg, AMC=12140078600en_US
dc.identifier.scopusauthoridDjurišic, AB=7004904830en_US

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