To reveal superior efficiency/CRI/color-stability trade-off for OWLED fabrications, a single-host concept is proposed in which the primary-color emitters are rationally arranged to render two types (R–G–B and RG–B) of OWLEDs with ultrahigh electroluminescence performance. Comprehensive experimental and theoretical evidence reveal that careful management of charges and excitons is the key to the realization of such high performances.
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Wang et al. (2009) studied this question.