Two Kinds of Blue Organic Light Emitting Materials

ZHENG Xin-you; WU You-zhi; ZHU Wen-qing; ZHANG Bu-xin; Jiang Xue-yin; Zhang Zhi-lin; XU Sh

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Two Kinds of Blue Organic Light Emitting Materials

更新时间：2020-08-11

- Two Kinds of Blue Organic Light Emitting Materials
- Chinese Journal of Luminescence Vol. 23, Issue 4, Pages: 357-360(2002)
- 作者机构：
  
  上海大学材料科学与工程学院上海,201800
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN383.1
- Received：20 September 2001，
  
  Revised：2002-10-20，
  
  Published：20 July 2002
- 稿件说明：
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郑新友, 吴有智, 朱文清, 张步新, 蒋雪茵, 张志林, 许少鸿. 两种蓝色有机电致发光材料[J]. 发光学报, 2002,23(4): 357-360

ZHENG Xin-you, WU You-zhi, ZHU Wen-qing, ZHANG Bu-xin, JIANG Xue-yin, ZHANG Zhi-lin, XU Shao-hong. Two Kinds of Blue Organic Light Emitting Materials[J]. Chinese Journal of Luminescence, 2002,23(4): 357-360
郑新友, 吴有智, 朱文清, 张步新, 蒋雪茵, 张志林, 许少鸿. 两种蓝色有机电致发光材料[J]. 发光学报, 2002,23(4): 357-360 DOI：

ZHENG Xin-you, WU You-zhi, ZHU Wen-qing, ZHANG Bu-xin, JIANG Xue-yin, ZHANG Zhi-lin, XU Shao-hong. Two Kinds of Blue Organic Light Emitting Materials[J]. Chinese Journal of Luminescence, 2002,23(4): 357-360 DOI：

摘要

重点研究以两种蓝色OEL材料蒽类衍生物JBEM和联苯乙烯衍生物DPVBi分别作基质

以perylene作掺杂剂的器件的电致发光性能

特别研究了它们的稳定性.在亮度和效率方面

两种器件并没有很大差别

然而在稳定性方面却有很大差别

蒽类衍生物JBEM的器件在100cd/m

初始亮度下

半亮度寿命可达1035h

而DPVBi的器件在同样条件下

半亮度寿命为255h.通过分析两种器件的能级图

认为稳定性的差别可能源于两种蓝光材料本身的热稳定性不同

JBEM优于DPVBi

是一种很有前途的蓝色发光材料.

Abstract

Two kinds of blue OLEDs with the structure ITO/CuPc/NPB/JBEM:perylene/Alq/Mg:Ag [Device(J)] and ITO/CuPc/NPB/DPVBi:perylene/Alq/Mg:Ag[Device(D)]

were studied.The maximum luminance were 7526cd/m

and 6123cd/m

maximum luminous efficiency were 1.45lm/W and 0.831m/W for Device(J) and Device(D)

respectively. The difference of luminance and efficiency was not obvious for the two devices. However

there was remarkable difference for their lifetime. The Device(J) achieved the longer halflife of 1035h at initial luminance of 100cd/m

and that of Device(D) was only 255h. According to their energy level diagrams

the difference of stability may originate from light emitting materials in the two devices. It may be attributed to the higher thermal stability of JBEM molecules than that of DPVBi. JBEM may be a promising blue organic light emitting materials.

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