Painting method for organic electroluminescent devices

被引：0
|
作者：
机构：
[1] Ooe, Masanori
[2] Satoh, Ryuichi
[3] Naka, Shigeki
[4] Okada, Hiroyuki
[5] Onnagawa, Hiroyoshi
来源：
Okada, H. (okada@eng.toyama-u.ac.jp) | 1600年 / Japan Society of Applied Physics卷 / 42期
关键词：
Electric potential - Electron transport properties - Indium compounds - Light emission - Painting - Polymethyl methacrylates - Surface roughness - Vinyl resins;
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摘要：
A painting method for organic electroluminescent devices using the ink-brush or the felt-coating method is investigated. The merits of this fabrication method include easy production for large-area fabrication and simple and uniform film formation. A maximum luminance of 3,680 cd/m2 is obtained for single-layered and C6-doped PVCz-based devices. Mean roughnesses of 2.3 and 2.0 nm are obtained for ink-brush and felt-coating methods, respectively. The dual-painting method with the polyethylenedioxy thiophene buffer layer is investigated and a lower operational voltage is realized. A white emission using complementary colors of 4-dicyanomethylene-6-cp-julolidinostyryl-2-tert-butyl-4H-pyran (red) and perylene (blue) is also examined.
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