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Article: Asymmetric Bragg mirrors for the reduction of emission wavelength dependence on the viewing angle in organic microcavity light emitting diodes

TitleAsymmetric Bragg mirrors for the reduction of emission wavelength dependence on the viewing angle in organic microcavity light emitting diodes
Authors
KeywordsBragg reflectors
Microcavity light emitting diodes
Issue Date2004
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/optcom
Citation
Optics Communications, 2004, v. 236 n. 4-6, p. 303-311 How to Cite?
AbstractOrganic microcavity light emitting diodes typically exhibit a blue shift of the emitting wavelength with increasing viewing angle. While the wavelength shift can be reduced with the appropriate choice of organic materials and metal mirrors, for further reduction of the emission wavelength shift it is necessary to consider a mirror whose phase shift can partly compensate the effect of the change of optical path within the cavity. In this work, we used a genetic algorithm (GA) to design an asymmetric Bragg mirror in order to minimize the emission wavelength shift with viewing angle. Based on simulation results, the use of asymmetric Bragg mirrors represents a promising way to reduce the emission wavelength shift. Detailed comparison between GA optimized and conventional Bragg mirrors in terms of resonant wavelength dependence on the viewing angle, spectral narrowing, and brightness enhancement is given. © 2004 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/80421
ISSN
2014 Impact Factor: 1.449
2014 SCImago Journal Rankings: 0.694
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorRakić, ADen_HK
dc.date.accessioned2010-09-06T08:06:16Z-
dc.date.available2010-09-06T08:06:16Z-
dc.date.issued2004en_HK
dc.identifier.citationOptics Communications, 2004, v. 236 n. 4-6, p. 303-311en_HK
dc.identifier.issn0030-4018en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80421-
dc.description.abstractOrganic microcavity light emitting diodes typically exhibit a blue shift of the emitting wavelength with increasing viewing angle. While the wavelength shift can be reduced with the appropriate choice of organic materials and metal mirrors, for further reduction of the emission wavelength shift it is necessary to consider a mirror whose phase shift can partly compensate the effect of the change of optical path within the cavity. In this work, we used a genetic algorithm (GA) to design an asymmetric Bragg mirror in order to minimize the emission wavelength shift with viewing angle. Based on simulation results, the use of asymmetric Bragg mirrors represents a promising way to reduce the emission wavelength shift. Detailed comparison between GA optimized and conventional Bragg mirrors in terms of resonant wavelength dependence on the viewing angle, spectral narrowing, and brightness enhancement is given. © 2004 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/optcomen_HK
dc.relation.ispartofOptics Communicationsen_HK
dc.rightsOptics Communications. Copyright © Elsevier BV.en_HK
dc.subjectBragg reflectorsen_HK
dc.subjectMicrocavity light emitting diodesen_HK
dc.titleAsymmetric Bragg mirrors for the reduction of emission wavelength dependence on the viewing angle in organic microcavity light emitting diodesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0030-4018&volume=236&spage=303&epage=311&date=2004&atitle=Asymmetric+Bragg+mirrors+for+the+reduction+of+emission+wavelength+dependence+on+the+viewing+angle+in+organic+microcavity+light+emitting+diodesen_HK
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.optcom.2004.03.038en_HK
dc.identifier.scopuseid_2-s2.0-2542477069en_HK
dc.identifier.hkuros88825en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2542477069&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume236en_HK
dc.identifier.issue4-6en_HK
dc.identifier.spage303en_HK
dc.identifier.epage311en_HK
dc.identifier.isiWOS:000221921100009-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridRakić, AD=35618124100en_HK

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