Figure 3 | Light: Science & Applications

Figure 3

From: Highly efficient hybrid warm white organic light-emitting diodes using a blue thermally activated delayed fluorescence emitter: exploiting the external heavy-atom effect

Figure 3

(a) The structure and energy diagram of the WOLEDs. (b) The spectra of the devices measured at 8 V. (c) EQE-brightness characteristics. (d) Power efficiency-brightness characteristics. EQE, external quantum efficiency; ISC, intersystem crossing; RISC, reverse intersystem crossing; WOLED, white organic light-emitting diodes.

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