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Conference Paper: White organic light-emitting devices using a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1, 7,7-tetramethyyulolidyl-9-enyl) as chromaticity-tuning layer

TitleWhite organic light-emitting devices using a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1, 7,7-tetramethyyulolidyl-9-enyl) as chromaticity-tuning layer
Authors
KeywordsWhite light-emitting
Chromaticity-tuning
Organic
Issue Date2003
Citation
Proceedings of SPIE - The International Society for Optical Engineering, 2003, v. 5280 II, p. 717-720 How to Cite?
AbstractEfficient white organic light-emitting devices are demonstrated by inserting a thin layer of tris (8-hydroxyquinoline) aluminum (Alq) doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) (DCJTB) into N,N′ -diphenyl-N,N′ -bis(1-naphthyl)-(1,1′ -biphenyl)-4,4′-diamine (NPB) layer. Alq without doping is used as an electron-transporting layer and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (bathocuproine or BCP) as an exciton-blocking layer. NPB layers are separated by the doped Alq layer, the layer that sandwiched between BCP and doped Alq layers acts as a blue-emitting layer, and the other as a hole-transporting layer. The doped Alq layer acts as a red and green-emitting as well as chromaticity-tuning layer, whose thickness and position as well as the concentration of DCJTB in Alq permit the tuning of the device spectrum to achieve a balanced white emission with Commission Internationale De L'Eclairage coordinates of (0.33, 0.33), which are largely insensitive to the applied voltages, especially at high brightness (>1000cd/m2). The device have maximum luminance and efficiency of 6745 cd/m2 and 2.56 cd/A, respectively.
Persistent Identifierhttp://hdl.handle.net/10722/225865
ISSN

 

DC FieldValueLanguage
dc.contributor.authorZhao, Yi-
dc.contributor.authorCheng, Gang-
dc.contributor.authorHou, Jingying-
dc.contributor.authorXie, Wenfa-
dc.contributor.authorDuan, Yu-
dc.contributor.authorLiu, Shiyong-
dc.date.accessioned2016-05-23T02:21:59Z-
dc.date.available2016-05-23T02:21:59Z-
dc.date.issued2003-
dc.identifier.citationProceedings of SPIE - The International Society for Optical Engineering, 2003, v. 5280 II, p. 717-720-
dc.identifier.issn0277-786X-
dc.identifier.urihttp://hdl.handle.net/10722/225865-
dc.description.abstractEfficient white organic light-emitting devices are demonstrated by inserting a thin layer of tris (8-hydroxyquinoline) aluminum (Alq) doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl) (DCJTB) into N,N′ -diphenyl-N,N′ -bis(1-naphthyl)-(1,1′ -biphenyl)-4,4′-diamine (NPB) layer. Alq without doping is used as an electron-transporting layer and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline (bathocuproine or BCP) as an exciton-blocking layer. NPB layers are separated by the doped Alq layer, the layer that sandwiched between BCP and doped Alq layers acts as a blue-emitting layer, and the other as a hole-transporting layer. The doped Alq layer acts as a red and green-emitting as well as chromaticity-tuning layer, whose thickness and position as well as the concentration of DCJTB in Alq permit the tuning of the device spectrum to achieve a balanced white emission with Commission Internationale De L'Eclairage coordinates of (0.33, 0.33), which are largely insensitive to the applied voltages, especially at high brightness (>1000cd/m2). The device have maximum luminance and efficiency of 6745 cd/m2 and 2.56 cd/A, respectively.-
dc.languageeng-
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineering-
dc.subjectWhite light-emitting-
dc.subjectChromaticity-tuning-
dc.subjectOrganic-
dc.titleWhite organic light-emitting devices using a thin layer of tris (8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-t-butyl-6-(1,1, 7,7-tetramethyyulolidyl-9-enyl) as chromaticity-tuning layer-
dc.typeConference_Paper-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1117/12.520744-
dc.identifier.scopuseid_2-s2.0-2942633583-
dc.identifier.volume5280 II-
dc.identifier.spage717-
dc.identifier.epage720-

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