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Article: High-efficiency blue fluorescent organic light emitting devices based on double emission layers

TitleHigh-efficiency blue fluorescent organic light emitting devices based on double emission layers
Authors
KeywordsEnergy transfer
Fluorescent lamps
Light emission
Luminance
Semiconductor doping
Issue Date2008
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpd
Citation
Journal Of Physics D: Applied Physics, 2008, v. 41 n. 5 How to Cite?
AbstractHigh-efficiency blue fluorescent organic light emitting devices (OLEDs) have been demonstrated by doping two host emission layers with p-bis(p-N, N-diphenyl-aminostyryl)benzene (DSA-Ph) simultaneously to form double emission layers (DELs). A peak luminance efficiency of 8.59 cd A-1 with a CIE colour coordinate of (0.155, 0.340) at 14.72 mA cm-2 and a maximum luminance of more than 42 000 cd m-2 have been achieved. The improvement of the luminance efficiency of OLEDs with the doped DELs as compared with that of the undoped OLEDs can be explained by the doping effect, the expansion of the recombination zone and the efficient energy transfer. © 2008 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/73637
ISSN
2015 Impact Factor: 2.772
2015 SCImago Journal Rankings: 0.682
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZheng, Ten_HK
dc.contributor.authorChoy, WCHen_HK
dc.date.accessioned2010-09-06T06:53:18Z-
dc.date.available2010-09-06T06:53:18Z-
dc.date.issued2008en_HK
dc.identifier.citationJournal Of Physics D: Applied Physics, 2008, v. 41 n. 5en_HK
dc.identifier.issn0022-3727en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73637-
dc.description.abstractHigh-efficiency blue fluorescent organic light emitting devices (OLEDs) have been demonstrated by doping two host emission layers with p-bis(p-N, N-diphenyl-aminostyryl)benzene (DSA-Ph) simultaneously to form double emission layers (DELs). A peak luminance efficiency of 8.59 cd A-1 with a CIE colour coordinate of (0.155, 0.340) at 14.72 mA cm-2 and a maximum luminance of more than 42 000 cd m-2 have been achieved. The improvement of the luminance efficiency of OLEDs with the doped DELs as compared with that of the undoped OLEDs can be explained by the doping effect, the expansion of the recombination zone and the efficient energy transfer. © 2008 IOP Publishing Ltd.en_HK
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpden_HK
dc.relation.ispartofJournal of Physics D: Applied Physicsen_HK
dc.rightsJournal of Physics D: Applied Physics. Copyright © Institute of Physics Publishing.-
dc.subjectEnergy transfer-
dc.subjectFluorescent lamps-
dc.subjectLight emission-
dc.subjectLuminance-
dc.subjectSemiconductor doping-
dc.titleHigh-efficiency blue fluorescent organic light emitting devices based on double emission layersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-3727&volume=41&issue=5 article no. 055103&spage=&epage=&date=2008&atitle=High-efficiency+blue+fluorescent+organic+light+emitting+devices+based+on+double+emission+layersen_HK
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0022-3727/41/5/055103en_HK
dc.identifier.scopuseid_2-s2.0-42549095012en_HK
dc.identifier.hkuros143068-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-42549095012&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue5en_HK
dc.identifier.isiWOS:000254153800018-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZheng, T=26427890900en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK

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