Study on Metal Microcavity OLEDs with Improved Efficiency

XIE Ze-feng; YUAN Yong-bo; CHEN Shu-ming; Zhou Xiang

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Study on Metal Microcavity OLEDs with Improved Efficiency

更新时间：2020-08-11

- Study on Metal Microcavity OLEDs with Improved Efficiency
- Chinese Journal of Luminescence Vol. 29, Issue 1, Pages: 37-40(2008)
- 作者机构：
  
  中山大学光电材料与技术国家重点实验室, 显示材料与技术广东省重点实验室,广东广州,510275
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN383.1;TN873.3
- Received：25 August 2007，
  
  Revised：24 December 2007，
  
  Published：20 January 2008
- 稿件说明：
移动端阅览
谢泽锋, 袁永波, 陈树明, 周翔. 高效率金属微腔OLEDs性能[J]. 发光学报, 2008,29(1): 37-40

XIE Ze-feng, YUAN Yong-bo, CHEN Shu-ming, ZHOU Xiang. Study on Metal Microcavity OLEDs with Improved Efficiency[J]. Chinese Journal of Luminescence, 2008,29(1): 37-40
谢泽锋, 袁永波, 陈树明, 周翔. 高效率金属微腔OLEDs性能[J]. 发光学报, 2008,29(1): 37-40 DOI：

XIE Ze-feng, YUAN Yong-bo, CHEN Shu-ming, ZHOU Xiang. Study on Metal Microcavity OLEDs with Improved Efficiency[J]. Chinese Journal of Luminescence, 2008,29(1): 37-40 DOI：

摘要

以半透明Ag膜为阳极出光面

利用MoO

作为空穴注入层

在普通玻璃衬底上制备了底发射微腔OLEDs器件

其中微腔由接近全反射厚度为100nm的Al阴极和反射率约为50%左右厚度为22nm的半透明Ag阳极构成

由于采用了有效的空穴和电子注入层MoO

和LiF

以Alq

作为发光材料

器件的起亮电压为2.5V

在10V外加电压下正向亮度超过了15000cd/m

最大电流效率接近6cd/A

大约是制备于ITO玻璃衬底阳极上的常规器件的两倍(3.2cd/A)

并研究了光谱窄化以及随观测角度变化的微腔效应。

Abstract

The microcavity OLED with a 100 nm-thick highly reflective Al top cathode and a 22 nm-thick semitrans parent Ag bottom anode on a glass substrate was fabricated. With MoO

and LiF as efficient hole and electron injection layers

respectively

the microcavity OLED show a turn on voltage of 2.5 V and a high luminance above 15000 cd/m

at 10 V

with a maximum efficiency of around 6 cd/A

which is 2 times that of the conventional OLEDs. The optical characteristics of the microcavity

such as narrowed and viewing angle dependent spectra

were examined.

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Related Institution

Faculty of Intelligent Manufacturing， Wuyi University

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School of Optoelectronic Engineering, Changchun University of Science and Technology

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