Schematic diagram of the fabrication procedure for Micro-OLEDs (top left) and the electro-luminescence images of green OLED array with resolution of 20 K ppi (top right), flexible OLED devices ...

Typical two- and three-circle Venn diagrams share this property. Rotate a two-circle Venn diagram by 180 degrees (or a three-circle one by 120 degrees), and it looks the same.

Fig. 1 Schematic diagram of the support work-function regulating the generation of Co IV =O. Fig. 2 Synthesis and structural characterization of Co-SACs. (a) Schematic of the synthesis of Co-TiO2 ...