Figure 8From: Thermal behavior and indirect life test of large-area OLED lighting panels Schematic drawing of V 1 , V 2 , V 3 and V 4 measurement: (a) shows a single curve, (b) shows 3 curves, where the current density that is applied is varied from the lowest current density (dotted line), to an intermediate current density (dashed line) to the highest current density (solid line). Back to article page