Fig. 1. Schematic diagram and equivalent circuit of double-layer micro-nano structure

Fig. 2. Double-layer square micro-nano structure

Fig. 3. Comparison of shielding effectiveness calculation and simulation results between double-layer and single-layer grids

Fig. 4. Simulation results of shielding effectiveness of double-layer structure under different PET thicknesses

Fig. 5. Sample of double-layer micro-nano structure

Fig. 6. Measured light transmittance test result of double-layer square micro-nano structure

Fig. 7. Electromagnetic shielding effectiveness test and simulation results of double-layer square micro-nano structure