Improved Efficiency of Flexible Organic Light-Emitting Diodes by Insertion of Ultrathin SiO<sub><b>2</b></sub> Buffer Layers

<table>Luminous efficiency versus applied voltage curves of the devices with different buffer layer thicknesses.</table>

International Journal of Photoenergy

Figure 5: Improved Efficiency of Flexible Organic Light-Emitting Diodes by Insertion of Ultrathin SiO<sub><b>2</b></sub> Buffer Layers 