Integration of encapsulation with flexible OLEDs demonstrates improved efficiency and stretchability in polymer blends, suggesting advancements in optoelectronic devices.
Key Points
The research aims to enhance the performance of flexible OLEDs by integrating TADF polymers with innovative encapsulation methods.
Developed dot‐coil copolymers incorporating SFX endcapping and synthesized reference copolymers without SFX.
Evaluated external quantum efficiency and stretchability in polyurethane blends.
Measured luminance and current efficiency in composite-based devices.
PCNSFX achieved an external quantum efficiency of 13.4% with 30% stretchability.
The composite-based devices exhibited a luminance of 4572 cd m − 2 and a current efficiency of 22.3 cd A − 1.
Performance improvements stemmed from reduced aggregation‐induced quenching and enhanced mechanical properties.