124694

The inclusion of phosphine oxide groups enhances electron-transporting properties, ensuring a balanced charge injection within the device. 3. Device Fabrication and Strategy

High-energy blue excitons often lead to material degradation, particularly at the host-guest interface. 124694

The development of silicon-locked phosphine oxide hosts represents a major step forward for blue OLED technology. The dual encapsulation strategy not only improves immediate performance metrics but also addresses the long-term stability issues that have historically hindered the commercial application of high-efficiency blue emitters. 124694

A silicon-locked phosphine oxide host structure that provides superior thermal stability and efficient energy transfer. 2. Material Design and Synthesis 124694

Experimental data confirms that the dual encapsulation method significantly extends the T50cap T sub 50