Fig. 4: Device data and EL performance of three-color WOLEDs.

a Device configuration of all-fluorescence three-color WOLEDs. b EL spectra of W2-1 at 1000 cd m−2. c External quantum efficiency-luminance-power efficiency curves of W2-1–W2-3. d Luminance-voltage-current density curves of W2-1–W2-3. e, f Power efficiency and external quantum efficiency of 16 devices based on the configuration of W2-1, respectively. g, h Power efficiency and external quantum efficiency versus CIE coordinates of representative three-color WOLEDs, respectively. Source data are provided as a Source Data file.