Title: Improved Performance of White Phosphorescent Organic Light-Emitting Diodes through a Mixed-Host Structure
Abstract: ETRI JournalVolume 31, Issue 6 p. 642-646 ArticleFree Access Improved Performance of White Phosphorescent Organic Light-Emitting Diodes through a Mixed-Host Structure Jonghee Lee, Jonghee LeeSearch for more papers by this authorJeong-Ik Lee, Jeong-Ik LeeSearch for more papers by this authorHye Yong Chu, Hye Yong ChuSearch for more papers by this author Jonghee Lee, Jonghee LeeSearch for more papers by this authorJeong-Ik Lee, Jeong-Ik LeeSearch for more papers by this authorHye Yong Chu, Hye Yong ChuSearch for more papers by this author First published: 01 December 2009 https://doi.org/10.4218/etrij.09.1209.0005Citations: 17 Jonghee Lee (phone: +82 42 860 6876, email: [email protected]), Jeong-Ik Lee (email: [email protected]), and Hye Yong Chu (email: [email protected]) are with Convergence Components & Materials Research Laboratory, ETRI, Daejeon, Rep. of Korea. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract Highly efficient white phosphorescent organic light-emitting diodes with a mixed-host structure are developed and the device characteristics are studied. The introduction of a hole-transport-type host (N, N'-dicarbazolyl-3-3-benzen (mCP)) into an electron-transport-type host (m-bis-(triphenylsilyl)benzene (UGH3)) as a mixed-host emissive layer effectively achieves higher current density and lower driving voltage. The peak external quantum and power efficiency with the mixed-host structure improve up to 18.9% and 40.9 lm/W, respectively. Moreover, this mixed-host structure device shows over 30% enhanced performance compared with a single-host structure device at a luminance of 10,000 cd/m2 without any change in the electroluminescence spectra. Citing Literature Volume31, Issue6December 2009Pages 642-646 ReferencesRelatedInformation
Publication Year: 2009
Publication Date: 2009-12-04
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 20
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