Organic blue light-emitting-diode with phenylbenzeneamine derivative

被引：0

作者：

Imaizumi, K ^{[1
]}

Mori, T ^{[1
]}

Mizutani, T ^{[1
]}

机构：

[1] Nagoya Univ, Nagoya, Aichi 4648603, Japan

来源：

ORGANIC PHOTONIC MATERIALS AND DEVICES II | 2000年 / 3939卷

关键词：

organic LED; blue emitting; multi-layer; hole blocking;

D O I：

10.1117/12.386374

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The authors investigated the electrical and optical properties of the organic light-emitting-diode (OLED) with a phenylbenzeneamine derivative (MDTPA). The PL and EL of MDTPA thin film were blue. However, the EL of the device of indium-tin-oxide(ITO)/MDTPA/aluminum quinoline(Alq3)/meta1 was not due to the emission from MDTPA, but was the emission from Alq3. It can be explained by that the emission region is formed in Alq3 layer since MDTPA has excellent hole transportation. The authors introduced an oxadiazole dimer (OXD) as a carrier blocking layer between MDTPA and Alq3 layers in order to form the emission region in MDTPA layer. This multi-layer OLED was found to have a high performance for a blue-light-emitting EL device. Its luminance was over 3000 cd/m(2) at the current density of 100 mA/cm(2). The EL threshold voltage was about 5 V. Their EL efficiency was about 2 lm/W.

引用

页码：189 / 196

页数：8

共 8 条

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