Studies on Novel White Phosphorescent Organic Light-emitting Devices

WANG Zhen; GAN Lin; WANG Jing-jing; LIU Fei; ZHENG Xin

doi:10.3788/fgxb20163706.0731

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Studies on Novel White Phosphorescent Organic Light-emitting Devices

更新时间：2020-08-12

- Studies on Novel White Phosphorescent Organic Light-emitting Devices
- Chinese Journal of Luminescence Vol. 37, Issue 6, Pages: 731-736(2016)
- 作者机构：
  
  重庆邮电大学光电工程学院重庆,400065
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163706.0731
  CLC： TN873.3;TN383+.1
- Received：29 January 2016，
  
  Revised：16 March 2016，
  
  Published：05 June 2016
- 稿件说明：
移动端阅览
王振, 甘林, 汪静静等. 新型有机电致磷光白光器件的研究[J]. 发光学报, 2016,37(6): 731-736

WANG Zhen, GAN Lin, WANG Jing-jing etc. Studies on Novel White Phosphorescent Organic Light-emitting Devices[J]. Chinese Journal of Luminescence, 2016,37(6): 731-736
王振, 甘林, 汪静静等. 新型有机电致磷光白光器件的研究[J]. 发光学报, 2016,37(6): 731-736 DOI： 10.3788/fgxb20163706.0731.

WANG Zhen, GAN Lin, WANG Jing-jing etc. Studies on Novel White Phosphorescent Organic Light-emitting Devices[J]. Chinese Journal of Luminescence, 2016,37(6): 731-736 DOI： 10.3788/fgxb20163706.0731.

摘要

制备了结构为ITO/NPB/TCTA/FIrpic:TCTA/Ir(MDQ)2(acac):TmPyPB/FIrpic:TmPyPB/TmPyPB/LiF/Al的有机电致磷光发光器件。通过在双蓝光发光层之间插入较薄的红光层Ir(MDQ)2(acac):TmPyPB调节载流子、激子在各发光层中的分布

并结合TCTA和TmPyPB对发光层内载流子和激子的有效阻挡作用

混合实现白光发射。研究了红光层在不同厚度、不同掺杂浓度下对器件发光性能的影响。结果表明

红光发光层厚度为2nm、质量浓度为5%时

结合蓝光发光层和红光发光层

实现了色坐标为(0.333

0.333)、最大发光效率为11.50cd/A的白光发射。

Abstract

A novel white electrophosphorescent organic light emitting diodes (PHOLEDs) with a structure of ITO/NPB/TCTA/FIrpic:TCTA/Ir(MDQ)2(acac):TmPyPB/FIrpic:TmPyPB/TmPyPB/LiF/Al was demonstrated. The red emitting layer (Ir(MDQ)2(acac):TmPyPB) with different thickness and doping concentration was inserted between the double blue-emitting layers (D-BEML) to adjust the distribution of carriers and excitons. The luminescent properties of the devices were studied. The results showed that the optimum performance of OLED was achieved when the thickness of Ir(MDQ)2(acac):TmPyPB red emitting layer is 2 nm

and the doping mass fraction is 5%. Combining the D-BEML and the red emitting layer

WOLEDs with peak efficiencies of 11.50 cd/A and CIE coordinates of (0.333

0.333) can be obtained.

关键词

Keywords

references

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