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Enhancement of the Luminance Efficiency of Blue Organic Light-Emitting Devices Fabricated Utilizing a Mixed Host Emitting Layer
- Authors
- Bang, H. S.; Choo, D. C.; Kim, T. W.; Lee, S. J.; Seo, J. H.; Kim, Y. K.
- Issue Date
- 2009
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- blue emitting layer; fluorescence; luminance efficiency; mixed host emitting layer; organic light-emitting devices; phosphorescence
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.514, pp.402 - 410
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 514
- Start Page
- 402
- End Page
- 410
- ISSN
- 1542-1406
- Abstract
- The luminance efficiency of the blue organic light-emitting devices (OLEDs) with a mixed host emitting layer (EML) consisting of a 2-t-butyl-9,10-di-2-naphthylanthracene (TBADN) and 4,4'-Bis[ 4-(diphenylamino)styryl]biphenyl (BDAVBi)-doped 1,3-bis(carbazol-9-yl)benzene (mCP) layer at 20 mA/cm(2) was 5.78 cd/A, indicative of highly efficient OLEDs. Electroluminescence spectra for the OLEDs with a mixed host EML showed that a dominant peak at 467 nm corresponding to the BDAVBi doped mCP layer together with a shoulder at 491 nm related to the combination of the TBADN doped mCP layer and the BDAVBi doped mCP layer appeared.
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Related Researcher
- Kim, Young Kwan
- Engineering (Applied Science)