標題: Highly efficient p-i-n white organic light emitting devices with tandem structure
作者: Ho, Meng-Huan
Chen, Teng-Ming
Yeh, Pu-Cheng
Hwang, Shiao-Wen
Chen, Chin H.
顯示科技研究所
Institute of Display
公開日期: 3-Dec-2007
摘要: Highly efficient tandem p-i-n white organic light emitting devices have been fabricated. Utilizing an optical transparent bilayer with doped organic p-n junction that consists of 4,7-diphenyl-1,10-phenanthroline: 2% cesium carbonate (Cs(2)CO(3))/N,N(')-bis(1-naphthyl)-N,N(')-diphenyl-1,1(')-biphenyl-4,4(')-diamine: 50% v/v tungsten oxide (WO(3)) as the connecting layer, the tandem p-i-n white device achieved an electroluminescence efficiency of 23.9 cd/A and a power efficiency of 7.8 lm/W at 20 mA/cm(2) with a Commission Internationale de l'Eclairage coordinates of (0.30, 0.43). The electroluminescent color of this tandem p-i-n white organic light-emitting diode device will not change significantly with respect to drive current variation and forward viewing angle. (c) 2007 American Institute of Physics.
URI: http://dx.doi.org/10.1063/1.2822398
http://hdl.handle.net/11536/10017
ISSN: 0003-6951
DOI: 10.1063/1.2822398
期刊: APPLIED PHYSICS LETTERS
Volume: 91
Issue: 23
結束頁: 
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