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

The paper describes a multi-layer stack optimized for blue phosphorescent emitters. 4. Performance Results 124694

Improving the efficiency and operational stability of blue organic light-emitting diodes (OLEDs) remains a primary challenge in display and lighting technology. This paper examines a novel host material, a silicon-locked phosphine oxide, designed to enhance the performance of blue OLEDs. By utilizing a "dual encapsulation" strategy for electron transporting materials, the study demonstrates a significant increase in both device longevity and external quantum efficiency. a silicon-locked phosphine oxide