Yb∶MgAg纳米双层阴极的光电特性改善

材料导报

2019, Vol. 33

Issue (z1): 297-299

金属与金属基复合材料

Yb∶MgAg纳米双层阴极的光电特性改善

张金中¹, 李坚¹, 胡海兵², 关立伟²

1 重庆京东方显示技术有限公司,重庆 400714
2 鄂尔多斯市源盛光电有限责任公司,鄂尔多斯 017020

Optoelectronic Characteristics Improvement of Nano-bilayer Cathode Yb∶MgAg

ZHANG Jinzhong¹, LI Jian¹, HU Haibin², GUAN Liwei²

1 EV Technology Dept. Chongqing BOe Display Technology Co., Ltd., Chongqing 400714
2 Ordos Yuansheng Optoelectronics Co., Ltd., Ordos 017020

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摘要 MgAg纳米合金作为有机电致发光阴极,具有功函数低、稳定性高等优点,而提升Ag的比例,降低MgAg纳米合金的厚度,可提升MgAg的透过率。在蒸镀MgAg纳米合金之前先沉积Yb纳米金属薄层,可降低阴极功函数,减少接触势垒,改善器件效率。实验表明,在Yb膜厚为5 Å、 MgAg膜厚为120 Å、Ag比例为70%的条件下,器件效率能达到红色 41.4 cd/A,绿色94.9 cd/A, 蓝色 103.4 cd/A/CIEy,并具有较低的功耗和较长的寿命。

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关键词: 有机电致发光二极管(OLED) 镁银合金阴极透过率稀有金属镱

Abstract: As organic light emitting cathode, MgAg nano-alloy has the advantages of low work function and high stability. Increasing the ratio of Ag and reducing the thickness of MgAg nano-alloy can improve the transmittance of MgAg. Embedding Yb nano-metal layer before MgAg nano-alloy can reduce cathode work function, reduce contact barrier and improve device efficiency. ExpEriments show that under Yb 5 Å/MgAg 120 Å, the device efficiency can reach red 41.4 cd/A, green 94.9 cd/A, blue 103.4 cd/A/CIEy, with low power consumption and long life.

Key words: organic light emitting diode (OLeD) magnesium-silver alloy (MgAg) cathode transmittance rare metal ytterbium (Yb)

出版日期: 2019-05-25 发布日期: 2019-07-05

ZTFLH:

TN873.3

作者简介: 张金中,2009年1月毕业于北京科技大学,获得工程硕士学位。于2009年2月至2013年9月在北京京东方光电科技有限公司,从事液晶显示产品和技术研发工作。于2013年10月至2018年3月在鄂尔多斯市源盛光电有限公司,从事OLED产品生产工作,于2018年3月至今在重庆京东方显示技术有限公司从事OLED产品生产及工艺改善工作。zhangjinzhong_ot@boe.com.c

引用本文:

张金中, 李坚, 胡海兵, 关立伟. Yb∶MgAg纳米双层阴极的光电特性改善[J]. 材料导报, 2019, 33(z1): 297-299.
ZHANG Jinzhong, LI Jian, HU Haibin, GUAN Liwei. Optoelectronic Characteristics Improvement of Nano-bilayer Cathode Yb∶MgAg. Materials Reports, 2019, 33(z1): 297-299.

链接本文:

http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2019/V33/Iz1/297

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