High-Efficiency Color and White Organic Light-Emitting Devices Prepared on Flexible Plastic Substrates
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- Mikami Akiyoshi
- Department of Information and Communication Engineering, Kanazawa Institute of Technology
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- Koshiyama Tatsuya
- Department of Information and Communication Engineering, Kanazawa Institute of Technology
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- Tsubokawa Tetsuro
- Department of Information and Communication Engineering, Kanazawa Institute of Technology
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Abstract
Blue, green and white organic light-emitting devices doped with fluorescent dyes have been successfully fabricated on high-refractive-index plastic substrates and characterized in terms of their electrical and optical properties. The devices consist of a wide-band-gap polymer emissive layer stacked with several small-molecule layers and were designed considering carrier balance, carrier confinement, dye-guest doping and optical characteristics. It was demonstrated that dye-doped polymer devices are effective for the improvement of color and emission efficiency. We demonstrated deep-blue-, bright-green- and pure-white light-emitting devices having external quantum efficiencies and color coordinates (x,y) of 6.0% (0.15,0.07), 5.5% (0.20,0.60) and 4.0% (0.33,0.33), respectively.
Journal
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 44 (1B), 608-612, 2005
The Japan Society of Applied Physics
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Details 詳細情報について
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- CRID
- 1390282681241953152
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- NII Article ID
- 10014380926
- 210000058609
- 130004533215
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- NII Book ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL BIB ID
- 7243203
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed