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Polymer light emitting diodes: new materials and devices

机译:聚合物发光二极管:新材料和新器件

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Single layer polymer light emitting diodes (LEDs) are ideal candidates for practical applications due to their easy processing conditions. However, low quantum efficiency of light generation is often obtained due to imbalanced charge injection and transport of holes and electrons. In this paper we report new conjugated polymers with electron deficient oxadiazole moieties as side-chains. These polymers have shown at least an order of magnitude increase in electroluminescence efficiencies and better charge injection properties compared to their corresponding conjugated backbone polymers. In addition, novel patterned LED device structures which emit in geometries with features into the sub- micron range will be presented. Finally, issues regarding integration of polymer transistors with organic LEDs will be discussed.
机译:单层聚合物发光二极管(LED)由于易于加工,因此是实际应用的理想选择。但是,由于电荷注入和空穴和电子的传输不平衡,经常会产生低的量子发光效率。在本文中,我们报道了具有缺电子恶二唑部分作为侧链的新型共轭聚合物。与它们相应的共轭主链聚合物相比,这些聚合物的电致发光效率至少提高了一个数量级,并且电荷注入性能更好。此外,将介绍新颖的图案化LED器件结构,该结构可以发出具有亚微米范围内特征的几何形状。最后,将讨论有关聚合物晶体管与有机LED集成的问题。

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