Highly Efficient White Organic Light-Emitting Diodes with Controllable Excitons Behavior by a Mixed Interlayer between Fluorescence Blue and Phosphorescence Yellow-Emitting Layers
Figure 1
(a) The chemical structures of organic materials, (b) the device structure and the energy level diagram of HOMO (solid lines) and LUMO (dashed lines) levels (eV) of HWOLEDs (Devices A, B, C, D, and E). The red dashed box depicts the “Spacer” composed of different ratios of CBP to TPBi.
