Recent advances in organic light-emitting diodes: toward smart lighting and displays,Materials Chemistry Frontiers

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Recent advances in organic light-emitting diodes: toward smart lighting and displays
Materials Chemistry Frontiers ( IF 6.0 ) Pub Date : 2019/12/17 , DOI: 10.1039/c9qm00716d
Shi-Jie Zou _{1,

2,

3,

4,

5} , Yang Shen _{1,

2,

3,

4,

5} , Feng-Ming Xie _{1,

2,

3,

4,

5} , Jing-De Chen _{1,

2,

3,

4,

5} , Yan-Qing Li _{1,

2,

3,

4,

5} , Jian-Xin Tang _{1,

2,

3,

4,

5}

Affiliation

Organic light-emitting diodes (OLEDs) have rapidly grown as one of the leading technologies for full-color display panels and eco-friendly lighting sources due to their outstanding features including superior color quality, wide viewing angle, mercury-free manufacture, fascinating flexibility, etc. A variety of materials, device architectures, as well as processing techniques have been investigated for optimizing device performance in order to fulfill the requirements of lighting and display applications. In this review, we first summarize the light emission mechanisms of electroluminescent materials. Then, the designed device architectures aiming at the realization of various light emission mechanisms are reviewed. An overview of recent advances in light extraction strategies is presented since all efficient OLEDs have a multi-thin-film structure, which leads to severe light trapping in devices. In addition, the progress of flexible OLEDs is reviewed from the aspect of flexible transparent electrodes because of their great potential in flexible displays. Most recent breakthroughs of solid-state lighting and displays are briefly addressed as well. A brief perspective on future research is also proposed for pursuing the commercialization of OLEDs.

中文翻译：

有机发光二极管的最新进展：向智能照明和显示器发展

有机发光二极管（OLED）凭借其卓越的功能包括卓越的色彩质量，宽视角，无汞制造，引人入胜的灵活性，已迅速发展成为全色显示面板和环保光源的领先技术之一。，等等。为了满足照明和显示应用的需求，已经研究了各种材料，设备架构以及处理技术来优化设备性能。在这篇综述中，我们首先总结了电致发光材料的发光机理。然后，回顾了旨在实现各种发光机制的设计设备架构。由于所有有效的OLED都具有多层薄膜结构，因此导致光在器件中的严重捕获，因此对光提取策略的最新进展进行了概述。另外，由于柔性OLED在柔性显示器中的巨大潜力，因此从柔性透明电极的方面回顾了柔性OLED的进展。还简要介绍了固态照明和显示器的最新突破。还提出了关于未来研究的简要观点，以追求OLED的商业化。

更新日期：2020-03-05

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