• • Optimal driving frequency of 50 kHz maximizes EL intensity, with performance declining at higher frequencies due to incomplete charging/discharging cycles and exciton dissociation.
• • Elimination of carrier injection/transport layers simplifies device architecture, potentially reducing fabrication complexity and cost for QD-based displays.
• • The device operates without conventional electron/hole transport layers, mitigating carrier imbalance issues that plague DC-driven QLEDs and cause material degradation.
• • Equivalent circuit model accurately predicts EL behavior across frequencies, enabling design optimization for AC-driven QD devices.