Alternating Current Driven Green Transparent Organic Light-emitting Devices

Xiang ZHANG; Yi-fan CHEN; Shi-hao LIU; Le-tian ZHANG; Wen-fa XIE

doi:10.37188/CJL.20200384

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Alternating Current Driven Green Transparent Organic Light-emitting Devices

Research Letter | 更新时间：2021-02-08

- Alternating Current Driven Green Transparent Organic Light-emitting Devices
  增强出版
- Chinese Journal of Luminescence Vol. 42, Issue 2, Pages: 153-157(2021)
- 作者机构：
  
  吉林大学电子科学与工程学院集成光电子学国家重点实验室吉林大学实验区, 吉林长春 130012
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of China;Science and Technology Development Planning of Jilin Province;Science and Technology Development Planning of Jilin Province
- DOI：10.37188/CJL.20200384
  CLC： TN383.1
- Received：14 December 2020，
  
  Accepted：2020-12-26，
  
  Published：2021-02
- 稿件说明：
移动端阅览
Xiang ZHANG, Yi-fan CHEN, Shi-hao LIU, et al. Alternating Current Driven Green Transparent Organic Light-emitting Devices[J]. Chinese journal of luminescence, 2021, 42(2): 153-157.
DOI：

Xiang ZHANG, Yi-fan CHEN, Shi-hao LIU, et al. Alternating Current Driven Green Transparent Organic Light-emitting Devices[J]. Chinese journal of luminescence, 2021, 42(2): 153-157. DOI： 10.37188/CJL.20200384.

摘要

采用半透明的镁银合金阴极成功制备了直流驱动的绿光透明有机电致发光器件，并在此基础上，提出利用半透明的镁银合金中间连接层连接两个发光子单元的新型器件结构，从而成功实现了交流驱动的绿光透明有机电致发光器件。在铟锡氧化物和镁银合金两侧的出光方向上，器件的光谱完全一致，最大亮度分别达到1 374 cd/m

和283 cd/m

，最高效率分别达到26.1 cd/A（8.1 lm/W）和3.5 cd/A（1.7 lm/W），铟锡氧化物一侧的性能较好是由于铟锡氧化物电极和镁银合金中间连接层的透过率不同形成的。在低频交流电驱动下，器件的两个发光子单元交替发出绿光；而在高频交流电驱动下，由于人眼无法分辨交替点亮时的闪烁，两个发光子单元对于人眼而言则是同时且稳定地发出绿光。

Abstract

Direct current driven green transparent organic light-emitting device utilizing transparent Mg:Ag cathode was fabricated. Then

novel device structure employing transparent Mg:Ag interconnecting layer to connect two light-emitting units was proposed to realize alternating current driven green transparent organic light-emitting device(AC-TOLED). The spectra of AC-TOLED were almost identical in the direction of light output on indium tin oxide(ITO) and Mg:Ag sides. The maximum brightness was 1 374 cd/m

and 283 cd/m

respectively. And the maximum efficiency was 26.1 cd/A(8.1 lm/W) and 3.5 cd/A(1.7 lm/W)

respectively. The higher performance of ITO side was caused by the different transmission of ITO electrode and Mg:Ag interconnecting layer. Under low frequency alternating current

the two light-emitting units of AC-TOLED emitted green light alternately. However

the two light-emitting units of AC-TOLED emitted green light simultaneously for human eyes under high frequency alternating current

because human eyes cannot distinguish the flicker of each unit during alternative emission.

关键词

Keywords

references

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