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首页> 外文期刊>Organic Electronics >High-efficiency and superior color-stability white phosphorescent organic light-emitting diodes based on double mixed-host emission layers
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High-efficiency and superior color-stability white phosphorescent organic light-emitting diodes based on double mixed-host emission layers

机译：基于双重混合主体发光层的高效和出色的色彩稳定性白色磷光有机发光二极管

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摘要

We demonstrate high-efficiency and superior color-stability white phosphorescent organic light-emitting diodes based on double blue mixed-host emission layers (EMLs) with different mixed ratios. The key feature of the concept is to introduce double blue mixed-host EMLs with an orange ultrathin layer sandwiched between them. The improved white device without spacer or interlayer achieves superior color-stability and reduced efficiency roll-off, which are consistent with the good ambipolar conductivity of the mixed-host layer. Moreover, peak efficiency of 40.8 lm/W and low turn-on voltage of 2.71 V are realized. The double mixed-host EMLs concept proves to be quite useful in achieving excellent device performance.
机译：我们展示了基于具有不同混合比例的双蓝色混合主体发射层（EML）的高效和出色的颜色稳定性白色磷光有机发光二极管。该概念的关键特征是引入双蓝色混合主机EML，中间夹有橙色超薄层。没有隔离层或中间层的改进的白色器件可实现出色的色彩稳定性和降低的效率衰减，这与混合主体层的良好双极性电导率一致。此外，实现了40.8 lm / W的峰值效率和2.71 V的低开启电压。事实证明，双重混合主机EML概念对于实现出色的设备性能非常有用。

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  • 来源
    《Organic Electronics》 |2016年第4期|136-141|共6页
  • 作者

    Ping Chen; Bingye Chen; Liangmei Zuo; Yu Duan; Guangguang Han; Ren Sheng; Kaiwen Xue; Yi Zhao;

  • 作者单位

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

    State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    White organic light-emitting diodes; Double mixed-host structure; Phosphorescent; Ultrathin layer; Superior color-stability;

    机译：白色有机发光二极管;双重混合主机结构;磷光超薄层;出色的色彩稳定性;

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