Electroluminescence characteristics of o
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Wenqing Zhu; Zhengyu Gan; Bin Wei; Xiaowen Zhang; Zhilin Zhang; Xueyin Jiang
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Article
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2010
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Elsevier Science
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English
β 379 KB
The current roll-off in organic light-emitting diodes has been studied by observing the current density versus voltage characteristics and spectra of single-layer and bilayer devices. Pumped by radiation sources of a variety of intensities, the current densities in a single-layer device decrease and