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Article: Angular dependence of the emission from low Q-factor organic microcavity light emitting diodes

TitleAngular dependence of the emission from low Q-factor organic microcavity light emitting diodes
Authors
KeywordsElectroluminescence
Microcavity
OLEDs
Photoluminescence
Issue Date2008
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/displa
Citation
Displays, 2008, v. 29 n. 4, p. 358-364 How to Cite?
Abstract
Microcavity light emitting diodes based on materials with broad emission spectrum, such as tris (8-hydroxyquinoline) aluminum (Alq3), typically exhibit a significant blue shift of the emission wavelength with increasing viewing angle. In this work, we investigate the influence of the organic layer thickness on the angular dependence of the emission spectrum in low Q-factor microcavity OLEDs. We demonstrate that for different organic layer thicknesses qualitatively different emission wavelength dependences on the viewing angle can be obtained in microcavity devices consisting of two organic layers, N,N′-di(naphthalene-1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and Alq3 as emitting layer. The devices with different organic layer thickness were characterized by electroluminescence, photoluminescence, reflectance, and transmission measurements and results compared with the model. © 2007 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/58412
ISSN
2013 Impact Factor: 1.205
2013 SCImago Journal Rankings: 0.314
ISI Accession Number ID
References

 

Author Affiliations
  1. University of Queensland
  2. The University of Hong Kong
  3. Hong Kong Baptist University
DC FieldValueLanguage
dc.contributor.authorCheung, CHen_HK
dc.contributor.authorNg, AMCen_HK
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorLiu, ZTen_HK
dc.contributor.authorKwong, CYen_HK
dc.contributor.authorChui, PCen_HK
dc.contributor.authorTam, HLen_HK
dc.contributor.authorCheah, KWen_HK
dc.contributor.authorChan, WKen_HK
dc.contributor.authorChan, Jen_HK
dc.contributor.authorLu, AWen_HK
dc.contributor.authorRakić, ADen_HK
dc.date.accessioned2010-05-31T03:29:51Z-
dc.date.available2010-05-31T03:29:51Z-
dc.date.issued2008en_HK
dc.identifier.citationDisplays, 2008, v. 29 n. 4, p. 358-364en_HK
dc.identifier.issn0141-9382en_HK
dc.identifier.urihttp://hdl.handle.net/10722/58412-
dc.description.abstractMicrocavity light emitting diodes based on materials with broad emission spectrum, such as tris (8-hydroxyquinoline) aluminum (Alq3), typically exhibit a significant blue shift of the emission wavelength with increasing viewing angle. In this work, we investigate the influence of the organic layer thickness on the angular dependence of the emission spectrum in low Q-factor microcavity OLEDs. We demonstrate that for different organic layer thicknesses qualitatively different emission wavelength dependences on the viewing angle can be obtained in microcavity devices consisting of two organic layers, N,N′-di(naphthalene-1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and Alq3 as emitting layer. The devices with different organic layer thickness were characterized by electroluminescence, photoluminescence, reflectance, and transmission measurements and results compared with the model. © 2007 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/displaen_HK
dc.relation.ispartofDisplaysen_HK
dc.rightsDisplays. Copyright © Elsevier BV.en_HK
dc.subjectElectroluminescenceen_HK
dc.subjectMicrocavityen_HK
dc.subjectOLEDsen_HK
dc.subjectPhotoluminescenceen_HK
dc.titleAngular dependence of the emission from low Q-factor organic microcavity light emitting diodesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0141-9382&volume=29&spage=358&epage=364&date=2008&atitle=Angular+dependence+of+the+emission+from+low+Q-factor+organic+microcavity+light+emitting+diodesen_HK
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.emailChui, PC: pcchui@hkucc.hku.hken_HK
dc.identifier.emailChan, WK: waichan@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.identifier.authorityChui, PC=rp00114en_HK
dc.identifier.authorityChan, WK=rp00667en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.displa.2007.10.007en_HK
dc.identifier.scopuseid_2-s2.0-50249125355en_HK
dc.identifier.hkuros153530en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-50249125355&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue4en_HK
dc.identifier.spage358en_HK
dc.identifier.epage364en_HK
dc.identifier.isiWOS:000260044100007-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridCheung, CH=8618960900en_HK
dc.identifier.scopusauthoridNg, AMC=12140078600en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridLiu, ZT=23389753500en_HK
dc.identifier.scopusauthoridKwong, CY=35917741900en_HK
dc.identifier.scopusauthoridChui, PC=13309913400en_HK
dc.identifier.scopusauthoridTam, HL=7101835048en_HK
dc.identifier.scopusauthoridCheah, KW=7102792922en_HK
dc.identifier.scopusauthoridChan, WK=13310083000en_HK
dc.identifier.scopusauthoridChan, J=9234340000en_HK
dc.identifier.scopusauthoridLu, AW=15035693100en_HK
dc.identifier.scopusauthoridRakić, AD=35618124100en_HK

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