具有平面和波纹结构的有机发光二极管及有机薄膜的发射特性。

Emission characteristics of organic light-emitting diodes and organic thin-films with planar and corrugated structures.

作者信息

Wei Mao-Kuo, Lin Chii-Wann, Yang Chih-Chung, Kiang Yean-Woei, Lee Jiun-Haw, Lin Hoang-Yan

机构信息

Department of Materials Science and Engineering, National Dong Hwa University, Shoufeng, Hualien, Taiwan.

出版信息

Int J Mol Sci. 2010 Apr 12;11(4):1527-45. doi: 10.3390/ijms11041527.

DOI:10.3390/ijms11041527

PMID:20480033

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2871129/

Abstract

In this paper, we review the emission characteristics from organic light-emitting diodes (OLEDs) and organic molecular thin films with planar and corrugated structures. In a planar thin film structure, light emission from OLEDs was strongly influenced by the interference effect. With suitable design of microcavity structure and layer thicknesses adjustment, optical characteristics can be engineered to achieve high optical intensity, suitable emission wavelength, and broad viewing angles. To increase the extraction efficiency from OLEDs and organic thin-films, corrugated structure with micro- and nano-scale were applied. Microstructures can effectively redirects the waveguiding light in the substrate outside the device. For nanostructures, it is also possible to couple out the organic and plasmonic modes, not only the substrate mode.

摘要

在本文中，我们回顾了具有平面和波纹结构的有机发光二极管（OLED）以及有机分子薄膜的发光特性。在平面薄膜结构中，OLED的发光受到干涉效应的强烈影响。通过微腔结构的适当设计和层厚度的调整，可以对光学特性进行调控，以实现高光学强度、合适的发射波长和宽视角。为了提高OLED和有机薄膜的光提取效率，应用了具有微米和纳米尺度的波纹结构。微观结构可以有效地将器件外部衬底中的波导光重新定向。对于纳米结构，不仅可以耦合出衬底模式，还可以耦合出有机模式和等离子体模式。