International Display Workshops General Incorporated Association

[OLEDp2-2L] The Correlation Between the Shape of the Quantum Dot Emission Layer and the Device Characteristics by Mixing the Small Molecular Hole Transport Material

*Ji Hun Kim1、Min Woo Hyeon1、Jae seung Kim2、Hyun jung Kim2、Min Chul Suh1 (1.Kyung Hee University (Korea)、2.Sogang University (Korea))

Quantum dot light-emitting diode (QLED), Blending of hole transport materials, QD alignment

https://doi.org/10.36463/idw.2021.0413

We found that the efficiency of green QLEDs could be improved through the incorporation of hole transport materials. However, it has been found that mixing more than a certain ratio is disadvantageous because it also blocks the flow of electrons when mixing more than a certain ratio.