A multilayer organic electroluminescent device using an organic dye salt

被引：1
|
作者：
Feng, XY [1 ]
Gu, YD [1 ]
Zhang, JY [1 ]
Cui, YP [1 ]
机构：
[1] SE Univ, Dept Elect Engn, Nanjing 210096, Peoples R China
来源：
Light-Emitting Diode Materials and Devices | 2005年 / 5632卷
关键词：
organic electroluminescence; organic salt; red-light emission;
D O I：
10.1117/12.570905
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Organic electroluminescent devices have received considerable attention due to their application in flat-panel displays. To achieve full-color displays, it is necessary to obtain organic layers emitting red, green, and blue light, but it is still a challenge to obtain efficient and stable organic layer emitting red light so far. Recently, we found that an organic salt, traps-4-[p-[N-ethyl-N-(hydroxyethyl)amino]styryl]-N-methylphridinium tetraphenylborate (ASPT), exhibits efficient red-light emission. In this paper, we report a multilayer electrolumicescent device incorporating a hole-transport layer, an ASPT layer, and an electron-transport layer. The dependence of the carrier transport and the luminescence on the device structure is investigated in detail. Compared to the monolayer device, the balance between hole and electron injections is significantly improved for the multilayer device, and thus the electroluminescent efficiency and intensity are enhanced.
引用
收藏
页码：211 / 219
页数：9
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