Enhancement of Förster energy transfer from thermally activated delayed fluorophores layer to ultrathin phosphor layer for high color stability in non-doped hybrid white organic light-emitting devices

Wang Zijun¹, Zhao Juan^{2, ‡}, Zhou Chang¹, Qi Yige¹, Yu Junsheng^{1, ‡}

(color online) Energy transfer and light emission process of devices W1–W4.