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Article: Angular dependence of the emission from low Q-factor organic microcavity light emitting diodes
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TitleAngular dependence of the emission from low Q-factor organic microcavity light emitting diodes
 
AuthorsCheung, CH2
Ng, AMC2
Djurišić, AB2
Liu, ZT2
Kwong, CY2
Chui, PC2
Tam, HL3
Cheah, KW3
Chan, WK2
Chan, J1
Lu, AW1
Rakić, AD1
 
KeywordsElectroluminescence
Microcavity
OLEDs
Photoluminescence
 
Issue Date2008
 
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/displa
 
CitationDisplays, 2008, v. 29 n. 4, p. 358-364 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.displa.2007.10.007
 
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.
 
ISSN0141-9382
2013 Impact Factor: 1.205
2013 SCImago Journal Rankings: 0.314
 
DOIhttp://dx.doi.org/10.1016/j.displa.2007.10.007
 
ISI Accession Number IDWOS:000260044100007
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorCheung, CH
 
dc.contributor.authorNg, AMC
 
dc.contributor.authorDjurišić, AB
 
dc.contributor.authorLiu, ZT
 
dc.contributor.authorKwong, CY
 
dc.contributor.authorChui, PC
 
dc.contributor.authorTam, HL
 
dc.contributor.authorCheah, KW
 
dc.contributor.authorChan, WK
 
dc.contributor.authorChan, J
 
dc.contributor.authorLu, AW
 
dc.contributor.authorRakić, AD
 
dc.date.accessioned2010-05-31T03:29:51Z
 
dc.date.available2010-05-31T03:29:51Z
 
dc.date.issued2008
 
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.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationDisplays, 2008, v. 29 n. 4, p. 358-364 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.displa.2007.10.007
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.displa.2007.10.007
 
dc.identifier.epage364
 
dc.identifier.hkuros153530
 
dc.identifier.isiWOS:000260044100007
 
dc.identifier.issn0141-9382
2013 Impact Factor: 1.205
2013 SCImago Journal Rankings: 0.314
 
dc.identifier.issue4
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-50249125355
 
dc.identifier.spage358
 
dc.identifier.urihttp://hdl.handle.net/10722/58412
 
dc.identifier.volume29
 
dc.languageeng
 
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/displa
 
dc.publisher.placeNetherlands
 
dc.relation.ispartofDisplays
 
dc.relation.referencesReferences in Scopus
 
dc.rightsDisplays. Copyright © Elsevier BV.
 
dc.subjectElectroluminescence
 
dc.subjectMicrocavity
 
dc.subjectOLEDs
 
dc.subjectPhotoluminescence
 
dc.titleAngular dependence of the emission from low Q-factor organic microcavity light emitting diodes
 
dc.typeArticle
 
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<contributor.author>Chan, WK</contributor.author>
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<description.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&#8242;-di(naphthalene-1-yl)-N,N&#8242;-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. &#169; 2007 Elsevier B.V. All rights reserved.</description.abstract>
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<subject>Electroluminescence</subject>
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Author Affiliations
  1. University of Queensland
  2. The University of Hong Kong
  3. Hong Kong Baptist University