40‐4: Double EML Structure for High Efficiency Organic Light Emitting Diode

We describe a high performance architecture for improving the opto‐electronic characteristics of OLED devices through Double EML structure. The luminous efficiency has nearly 5% improvement compared with conventional devices. Further, we demonstrate that the cascade energy transfer structure can broaden recombination zone and the fast mobility of electrons prevent the quenching effect. The OLED devices in this fashion achieve a high performance and cost‐effectiveness in the various electronic gadgets.