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Article: Improved efficiency for white organic light-emitting devices based on phosphor sensitized fluorescence

TitleImproved efficiency for white organic light-emitting devices based on phosphor sensitized fluorescence
Authors
Issue Date2006
Citation
Applied Physics Letters, 2006, v. 88, n. 8 How to Cite?
AbstractEfficiency of white organic light-emitting devices (WOLEDs) based on phosphor sensitized fluorescence is improved by using an unusual device structure, in which an undoped blue emissive layer is sandwiched between two phosphorescent doped ones. This blue emissive layer blocks a triplet-triplet energy transfer between the two phosphorescent emissive layers, leading to balanced emissions of blue, green, yellow, and red. Thus, an efficient WOLED with a maximum luminous efficiency of 13.8 cdA, a maximum power efficiency of 8.0 lmW, a color rendering index of 79, and Commission Internationale de L'Eclairage coordinates of (0.33, 0.35) is achieved. © 2006 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/225871
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.105

 

DC FieldValueLanguage
dc.contributor.authorCheng, Gang-
dc.contributor.authorZhang, Yingfang-
dc.contributor.authorZhao, Yi-
dc.contributor.authorLiu, Shiyong-
dc.contributor.authorMa, Yuguang-
dc.date.accessioned2016-05-23T02:22:00Z-
dc.date.available2016-05-23T02:22:00Z-
dc.date.issued2006-
dc.identifier.citationApplied Physics Letters, 2006, v. 88, n. 8-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/225871-
dc.description.abstractEfficiency of white organic light-emitting devices (WOLEDs) based on phosphor sensitized fluorescence is improved by using an unusual device structure, in which an undoped blue emissive layer is sandwiched between two phosphorescent doped ones. This blue emissive layer blocks a triplet-triplet energy transfer between the two phosphorescent emissive layers, leading to balanced emissions of blue, green, yellow, and red. Thus, an efficient WOLED with a maximum luminous efficiency of 13.8 cdA, a maximum power efficiency of 8.0 lmW, a color rendering index of 79, and Commission Internationale de L'Eclairage coordinates of (0.33, 0.35) is achieved. © 2006 American Institute of Physics.-
dc.languageeng-
dc.relation.ispartofApplied Physics Letters-
dc.titleImproved efficiency for white organic light-emitting devices based on phosphor sensitized fluorescence-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.2178478-
dc.identifier.scopuseid_2-s2.0-33644545068-
dc.identifier.volume88-
dc.identifier.issue8-

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