Design and fabrication of pure green color microcavity organic light emitting device

被引:7
作者
Ma, F.
Liu, X. [1 ]
Zhang, C.
Li, H.
Wang, L.
机构
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Lab Excited State Proc, Changchun 130033, Peoples R China
[2] Zhengzhou Univ, Sch Phys & Engn, Zhengzhou 450001, Peoples R China
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2006年 / 45卷 / 12期
关键词
microcavity; OLED; efficient; green emission; pulse color;
D O I
10.1143/JJAP.45.9224
中图分类号
O59 [应用物理学];
学科分类号
摘要
A pure green microcavity organic light emitting device (MOLED) was designed and fabricated with an emission peak of 552 nm and the full width at half maximum (FWHM) of 24 nm. The maximum luminous efficiency and luminance are 8.4 cd/ A at 13 V and 35000 cd/m(2) at 21 V for the MOLED, and 3.2 cd/A at 18 V and 27000 cd/m(2) at 25 V for the normal noneavity OLED. The luminous efficiency, voltage and current density are 6.3 cd/A, 7 V and 1.6 mA/cm(2) for the MOLED, and 2.4 cd/ A, 12 V and 4.2 mA/cm(2) for the noncavity OLED at the luminance of 100 cd/m(2). The CIE 1931 chromaticity coordinates of the MOLED at the normal direction is (0.35,0.62), which shows purer green emission comparing with that of the noncavity OLED (0.36,0.46).
引用
收藏
页码:9224 / 9227
页数:4
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