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首页> 外文期刊>Applied Physics Letters >Analysis and control of the active area scaling effect on white organic light emitting diodes towards lighting applications
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Analysis and control of the active area scaling effect on white organic light emitting diodes towards lighting applications

机译:分析和控制白色有机发光二极管在照明应用中的有效面积缩放效应

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摘要

The authors investigate the scaling of the performances on white organic light emitting diode in devices having active regions ranging from 0.25 to 9 cm~2. They observe a drop in the luminance and in the current density with increasing active area of the devices. A model where both these effects are ascribed to the spread of the current leakage on the indium tin oxide surface is proposed. To limit the consequences of these effects on the device performances, they insert a pattern of metal stripes onto the anode contact. This results in a device with a maximum luminance of 1800 cd/m~2 on a surface of 9 cm~2.
机译:作者研究了在有源区域为0.25至9 cm〜2的器件中白色有机发光二极管的性能缩放。他们观察到亮度和电流密度随器件有效面积的增加而下降。提出了将这两种效应归因于铟锡氧化物表面上电流泄漏的扩展的模型。为了限制这些影响对器件性能的影响,他们在阳极触点上插入了金属条纹图案。这导致在9cm 2的表面上具有最大亮度1800cd / m 2的器件。

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