18 June 2004 Study on the OLED with mutual doped transitional layer
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Abstract
On the basis of the investigation into organic thin films preparations and device, the Organic Light-Emitting Device (OLED) with mutual doped transitional layer was designed and fabricated, mutual doped layer of N,N’-bis-(1-naphthyl)-N,N’-diphenyl-1, 1’-biphenyl-4,4’-diamine (NPB) and aluminum tri(8-hydroxyquinoline)(Alq3) was used as emitting layer. Rate of NPB to Alq3 was 10:1 at anode to 1:10 at cathode. Light-emitting performance of the OLED was analyzed. Compared with conventional device in which Alq3 was used as emitting layer and blending device in which blending layer of NPB and Alq3 was used as emitting layer, the device performance of mutual doped transitional layer was evidently improved because of the interface and the waveguide effect were eliminated effectively.
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Meiping Jiang, Zhiyou Zhong, Dufang Shi, "Study on the OLED with mutual doped transitional layer", Proc. SPIE 5351, Organic Photonic Materials and Devices VI, (18 June 2004); doi: 10.1117/12.529858; https://doi.org/10.1117/12.529858
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