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The Structure Optimization of White Organic Light-Emitting Diodes for High Efficiency
- Issue Date
- 2009
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- optimization; two separated emissive layers; white organic light-emitting diodes
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.513, pp.205 - 213
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 513
- Start Page
- 205
- End Page
- 213
- ISSN
- 1542-1406
- Abstract
- We have demonstrated the structure optimization of white organic light-emitting diodes with two separated emissive layers for better efficiency. For efficient optimization of white organic light-emitting diodes, we carried out a insertion of hole buffer layer, a thickness change of emission layer, and a change of electron transport layer. The optimized device showed maximum luminance of 29 600 cd/m(2) at 14V and the maximum luminous efficiency of 14.30 cd/A at 7.34 mA/cm(2), respectively. All devices showed white emission at operating voltages without change of CIEx,y coordinates.
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Related Researcher
- Kim, Young Kwan
- Engineering (Applied Science)