Influence of cavity effects on light extraction efficiency in organic light emitting devices - art. no. 66551J

被引：0

作者：

Lee, Jaewon ^{[1
]}

Chopra, Neetu ^{[1
]}

Choudhury, Kaushik Roy ^{[1
]}

So, Franky ^{[1
]}

机构：

[1] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA

来源：

ORGANIC LIGHT EMITTING MATERIALS AND DEVICES XI | 2007年 / 6655卷

关键词：

OLED; extraction efficiency; quantum efficiency; lambertian;

D O I：

10.1117/12.732556

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, we demonstrate that the light extraction efficiency of an OLED is a strong function of the location of the recombination zone and the ratio of the extracted mode to the substrate guided mode varies from 22% to 55%. The large variation of the extraction efficiency in most OLEDs is the direct result of optical cavity effect present in the devices. In addition, we show that the light intensity profile varies from a Lambertian shape to a non-Lambertian shape depending of the device geometry.

引用

页码：J6551 / J6551

页数：6

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