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Recent advances in material chemistry have enabled white organic light-emitting device (OLED) efficacy beyond fluorescent tube efficacy up to 100 lm W−1. In this short review, we explore recent developments of small molecule-based multifunctional materials in high-performance OLEDs, especially blue phosphorescent emitters, host materials, and electron-transporting materials.
Sasabe et al. (Wed,) studied this question.