Juan Zhang, Zhi-Qiang Jiao, Hua-Jie Yan, Fu-Dong Chen, Qing-Yu Huang, Liang-Liang Kang, Xiao-Yun Liu, Lu Wang, Guang-Cai Yuan. Influence of microcavity effect on the performance of top emission tandem blue organic light emitting devices [J]. Acta Physica Sinica, 2020, 69(9): 096104-1
- Acta Physica Sinica
- Vol. 69, Issue 9, 096104-1 (2020)
Fig. 1. Schematic diagram of microcavity device.
Fig. 2. Molecular structure formula of organic materials.
Fig. 3. Refractive index curve of organic materials.
Fig. 4. Simulated electroluminescence (EL) performance of devices A1: (a) Influence of length of microcavity on CIEx, y of OLED; (b) influence of length of microcavity on spectrum of OLED; (c) influence of length of microcavity on luminance of OLED.
Fig. 5. Simulated EL performance of devices A2: (a) Influence of length of microcavity on CIEx, y of OLED; (b) influence of length of microcavity on spectrum of OLED; (c) influence of length of microcavity on luminance of OLED.
Fig. 6. Current density-voltage characteristics of device 1, 2 and 3.
Fig. 7. Energy level diagram of charge generation layer.
Fig. 8. The EL performance of devices A: (a) The spectrum characteristics; (b) the current efficiency-luminance characteristics; (c) the current density-voltage characteristics.
Fig. 9. Device structure of OLED.
Fig. 10. The EL performance of devices B, C, D and E: (a) The spectrum characteristics; (b) the current efficiency-luminance characteristics; (c) the current density-power efficiency characteristics; (d) the current density- external quantum efficiency characteristics; (e) the current density-voltage characteristics; (f) the lifetime characteristics @50 mA/cm2; (g) the lifetime characteristics @15 mA/cm2; (h) the luminance-angle characteristics; (i) the spectrum-angle characteristics.
Fig. 11. Molecular structure formula of organic materials.
Fig. 12. Simulated EL performance of devices G: (a) Influence of the length of microcavity on CIEx, y of OLED; (b) influence of the length of microcavity on spectrum of OLED; (c) influence of the length of microcavity on luminance of OLED.
Fig. 13. The EL performance of devices F, H, I and J: (a) The spectrum characteristics; (b) the current efficiency-luminance characteristics; (c) the current density-power efficiency characteristics; (d) the current density-external quantum efficiency characteristics; (e) the current density-voltage characteristics; (f) the lifetime characteristics @50 mA/cm2.
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Table 1.
Refractive index of organic materials.
有机材料的折射率
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Table 2.
Performance parameters of device A.
器件A的测试性能参数
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Table 3.
Performance parameters of devices B, C, D and E.
器件B, C, D, E的性能参数
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Table 4.
Performance parameters of devices F, H, I and J.
器件F, H, I, J的性能参数
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