| 无源OLED显示屏亮度均匀性研究 |
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| 引用本文： | 陈文彬,成建波.无源OLED显示屏亮度均匀性研究[J].半导体光电,2005,26(3):205-207,211. |
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| 作者姓名： | 陈文彬 成建波 |
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| 作者单位： | 电子科技大学,光电信息学院,四川,成都,610054;电子科技大学,光电信息学院,四川,成都,610054 |
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| 基金项目： | 电子科技大学校科研和教改项目 |
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| 摘 要： | 利用无源矩阵驱动原理,计算了有机发光二极管(OLED)器件中阴极和阳极电阻上的电压降.结果表明,恒压驱动条件下,电阻上的压降将产生严重的亮度不均匀性.分析表明辅助电极可以改善亮度非均匀性.采用恒流驱动及高效率的OLED可以进一步提高亮度均匀性,降低功耗.计算及分析结果与实验现象一致.
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| 关 键 词： | 无源矩阵OLED 电阻 亮度 均匀性 |
| 文章编号： | 1001-5868(2005)03-0205-03 |
Brightness Uniformity of Passive Matrix OLED |
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| CHEN Wen-bin,Cheng Jian-bo.Brightness Uniformity of Passive Matrix OLED[J].Semiconductor Optoelectronics,2005,26(3):205-207,211. |
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| Authors: | CHEN Wen-bin Cheng Jian-bo |
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| Abstract: | Based upon passive matrix-driven theory,the voltage drop acrocs the electrodes of OLED is calculated.The results indicate that,under constant voltage-driven condition,the voltage drop across the electrodes will dramatically result in the poor uniformity when increasing the display area.The analyses show that auxiliary electrode can improve the brightness uniformity.Constant-driver and higher efficiency LEDs can further improve the brightness uniformity and decrease the power consumption.The mathematical expressions are verified by the experiment results. |
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| Keywords: | PMOLED resistance brightness uniformity |
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