Extended Data Fig. 2: EL inhomogeneity at different current densities.
From: Nanoscale electroluminescence inhomogeneity and blinking in organic light-emitting diodes

Time-average EL images that correspond to the SOFI images acquired at different current densities of 4 mA-cm−2 (a) and 6 mA-cm−2 (b) in Fig. 2d,e, respectively.