White organic light-emitting devices based on 4,4′-bis(2,2′-diphenyl vinyl)-1,1′-biphenyl and phosphorescence sensitized 5,6,11,12-tetraphenylnaphthacene -: art. no. 011112

被引:63
作者
Zhang, YF [1 ]
Cheng, G [1 ]
Zhao, Y [1 ]
Hou, JY [1 ]
Liu, SY [1 ]
机构
[1] Jilin Univ, Natl Lab Integrated Optoelect, Changchun 130023, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1063/1.1845593
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report white organic light-emitting devices (WOLEDs) based on 4,4(')-bis(2,2(')-diphenyl vinyl)-1,1(')-biphenyl (DPVBi) and phosphorescence sensitized 5,6,11,12-tetraphenylnaphthacene (rubrene). In the devices, DPVBi acts as a blue light-emitting layer, and rubrene sensitized by a phosphorescent material, fac tris (2-phenylpyridine) iridium [Ir(ppy)(3)], acts as a yellow light-emitting layer. The devices have a maximum brightness of 8633 cd/m(2) (at a driving voltage of 22 V). The maximum luminous efficiency is 9.22 cd/A (at a current density of 0.90 mA/cm(2)). Commission international De L'Eclairage coordination of (0.30,0.37) is obtained for luminance ranging from 100 to 1000 cd/m(2). (C) 2005 American Institute of Physics.
引用
收藏
页码:011112 / 1
页数:3
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