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dc.contributor.authorChang, Hao-Wenen_US
dc.contributor.authorMeng, Hsin-Feien_US
dc.contributor.authorHorng, Sheng-Fuen_US
dc.contributor.authorZan, Hsiao-Wenen_US
dc.date.accessioned2017-04-21T06:55:45Z-
dc.date.available2017-04-21T06:55:45Z-
dc.date.issued2016-02en_US
dc.identifier.issn0379-6779en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.synthmet.2015.11.025en_US
dc.identifier.urihttp://hdl.handle.net/11536/133019-
dc.description.abstractLarge-area top-emitting organic light-emitting diodes (TEOLEDs) with multi-layer structure are successfully demonstrated using the solution-processable blade coating on ITO-free substrate. The semitransparent cathode of TEOLED is composed of lithium fluoride (LiF), aluminum (Al) and silver (Ag). The composition of 3 nm Al and 10 nm Ag has a transmittance of 56% and a sheet resistance of 11 Omega/square is applied to the green phosphorescence device with an emissive area of 2 cm by 2.5 cm. The maximum current efficiency is 25.2 cd/A with high light-emission uniformity within 10% variation. The large-area TEOLEDs show comparable current efficiency as the small-area devices with an emissive area of 2 mm by 2 mm (having the same device structure) and better efficiency than traditional large-area bottom emitting devices. Cesium fluoride (CsF) and n-doped electron transport layer are applied to improve electron injection. At 6 V, the luminance is raised from 141 cd/m(2) to 502 cd/m(2) and 304 cd/m(2), respectively. In n-doped device, a simple Al/Ag cathode is used without LiF. (C) 2015 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectOrganic light-emitting diodeen_US
dc.subjectITO-freeen_US
dc.subjectTop emissionen_US
dc.subjectLarge areaen_US
dc.subjectSolution processen_US
dc.subjectBlade coatingen_US
dc.titleITO-free large-area top-emission organic light-emitting diode by blade coatingen_US
dc.identifier.doi10.1016/j.synthmet.2015.11.025en_US
dc.identifier.journalSYNTHETIC METALSen_US
dc.citation.volume212en_US
dc.citation.spage19en_US
dc.citation.epage24en_US
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000370088400003en_US
Appears in Collections:期刊論文