Fig. 4: Optimized electroluminescent properties of phosphorescent OLEDs. | Nature Communications

Fig. 4: Optimized electroluminescent properties of phosphorescent OLEDs.

From: High-efficiency and long-lifetime deep-blue phosphorescent OLEDs using deuterated exciplex-forming host

Fig. 4

a Device structure, energy level diagrams and molecular structures of the materials. b Luminance-voltage-current density (L-V-J) characteristics (the solid symbol represents luminance and the hollow symbol represents current density). Normalized EL spectra of the devices based on c PtON-TBBI and d PtON-tb-DTB. e Power efficiency (PE) and external quantum efficiency (EQE) versus luminance curves of the devices based on PtON-TBBI and PtON-tb-DTB. f Operational lifetime curves at initial luminance of 1000 cd m−2. g Transient EL decay curves of the devices based on PtON-TBBI and PtON-tb-DTB.

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