Light out-coupling efficiency in flexible organic light-emitting devices

被引：0

作者：

College of Physics Science and Technology, Central South University, Changsha, Hunan 410083, China ^{[1
]}

不详 ^{[2
]}

机构：

[1] College of Physics Science and Technology, Central South University, Changsha

[2] College of Materials Science and Engineering, Central South University, Changsha

来源：

Guangxue Xuebao | 2009年 / 10卷 / 2885-2891期

关键词：

Curvature; Flexible substrate; Geometric optics; Light out-coupling efficiency; Organic light emitting devices (OLED); Total reflection;

D O I：

10.3788/AOS20092910.2885

中图分类号：

学科分类号：

摘要：

Based on the geometrical optics model, the expression of flexible organic light emitting devices (FOLED)'s out-coupling efficiency was presented. The influence of substrate curvature and its thickness, and organic layer's refractive index on the performance of the FOLED's out-coupling efficiency was studied, and the variation of out-coupling efficiency between FOLED and plane organic light emitting display (OLED) are contrasted as well. The result shows that: the out-coupling efficiency is enhanced with increased substrate curvature and its thickness, but is reduced with increased organic layer's refractive index for outcurved substrate. The out-coupling efficiency is reduced with increased substrate curvature and thickness, and is also reduced with increased organic layer's refractive index for incurvated substrate. The out-coupling efficiency of OLED is reduced with increased organic layer's refractive index.

引用

页码：2885 / 2891

页数：6

共 15 条

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