High-efficiency long-life blue organic electro-luminescent diode based on 13, 13-dimethyl-N, N- di-p-tolyl-13 H-indeno[1, 2-b] anthracen-2-amine

Hong-ke ZHANG; Jun SUN; Dan-dan YANG; Mi TIAN; Hai-xiao HE; Kai-peng LIU; Jiang-nan LI; Lia

doi:10.3788/YJYXS20193412.1136

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High-efficiency long-life blue organic electro-luminescent diode based on 13, 13-dimethyl-N, N- di-p-tolyl-13 H-indeno[1, 2-b] anthracen-2-amine

Materials and Devices | 更新时间：2020-07-16

- High-efficiency long-life blue organic electro-luminescent diode based on 13, 13-dimethyl-N, N- di-p-tolyl-13 H-indeno[1, 2-b] anthracen-2-amine
- Chinese Journal of Liquid Crystals and Displays Vol. 34, Issue 12, Pages: 1136-1142(2019)
- 作者机构：
  
  西安瑞联新材料股份有限公司, 陕西西安 710077
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20193412.1136
  CLC： N383.1
- Received：17 June 2019，
  
  Accepted：23 August 2019，
  
  Published：05 December 2019
- 稿件说明：
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Hong-ke ZHANG, Jun SUN, Dan-dan YANG, et al. High-efficiency long-life blue organic electro-luminescent diode based on 13, 13-dimethyl-N, N- di-p-tolyl-13 H-indeno[1, 2-b] anthracen-2-amine[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1136-1142.
DOI：

Hong-ke ZHANG, Jun SUN, Dan-dan YANG, et al. High-efficiency long-life blue organic electro-luminescent diode based on 13, 13-dimethyl-N, N- di-p-tolyl-13 H-indeno[1, 2-b] anthracen-2-amine[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1136-1142. DOI： 10.3788/YJYXS20193412.1136.

摘要

有机电致发光蓝光器件存在效率低、寿命不理想等问题。为了实现高效率、长寿蓝光器件，通过茚并蒽连接二苯胺得到一种新型蓝光荧光发光材料：13，13-二甲基N，N-二-对甲苯基-13H-茚并[1，2-B]蒽-2-胺，经过器件优化实现高效、长寿命蓝光有机电致发光二极管。基于这种新型蓝光材料电致发光器件能够达到10.2 cd/A的电流效率，效率滚降较小，峰值光谱462 nm，色坐标（0.15，0.17）。在室温10 mA/cm

恒定电流密度下测试器件的工作寿命，该蓝光材料的器件寿命达到329 h，几乎是参考器件BCzVBi寿命（169 h）的2倍。结果表明，该材料可以实现高效长寿命蓝光有机电致发光器件，特别是对于高性能白光有机发光二极管和全彩显示器件具有潜在的应用价值。

Abstract

Organic electroluminescent blue light devices still have some problems

such as low efficiency and unsatisfactory operating lifetime. In order to achieve high efficiency long life blue light devices

a novel blue fluorescent luminescent material was obtained by 13

13-dimethyl-13H-indeno[1

2-b]anthracene connect Di-p-tolyl-amine. By device optimization it can achieve a current efficiency of 10.2 cd/A and a flatter efficiency roll-off. The peak spectrum was 462 nm

CIE (0.15

0.17). The operating lifetime of the devices were tested at a constant current density of 10 mA/cm

at room temperature. The device with this material as a blue light material reached a lifetime of 329 h

which was nearly twice as long as the lifetime of the reference device BCzVBi (169 h). The results show that the material can realize high-efficiency long-lifetime blue organic electroluminescent devices

especially for potential application of high-performance white organic light-emitting diodes and full-color display devices.

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references

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