Fu Xiang''en, Yang Feiyu, Tang Yu. White Organic Light-Emitting Diodes with High Color-Rendering Index Based on Exciplex[J]. Laser & Optoelectronics Progress, 2020, 57(21): 212303
- Laser & Optoelectronics Progress
- Vol. 57, Issue 21, 212303 (2020)
Fig. 1. Energy levels of materials in the experiment
Fig. 2. Schematic of devices
Fig. 3. Property curves of different devices. (a) Luminance-voltage-current density curves; (b) power efficiency-current density-current efficiency curves
Fig. 4. Normalized EL spectra of devices A1 and A2 at voltage of 5 V
Fig. 5. Property of different devices. (a) Luminance-voltage-current density curves; (b) power efficiency-current density-current efficiency curves, the inset showing a picture of device B2 in lighted state
Fig. 6. Normalized EL spectra of different devices at voltage of 5 V
Fig. 7. Variation of CIE x and CIE y coordinates versus voltage for devices
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Table 1. Electroluminescence characteristics of different devices
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