Fig. 1. Structure diagram of optical switch unit

Fig. 2. Principle diagram of optical switch unit

Fig. 3. Matrix optical switch structure

Fig. 4. m×n Optical switch array control circuit and control module based on EWOD

Fig. 5. Only D₁₁ switch unit turn-off matrix control code

Fig. 6. The light-on condition of matrix switch when only D₁₁ switch unit is turned off

Fig. 7. Application scheme

Fig. 8. Display screen pattern behind matrix optical switch

Fig. 9. Control code of matrix optical switch when the display screen pattern is”A”

Fig. 10. Schematic diagram of optical switch performance

Fig. 11. The variation diagram of the stable length of the droplet bottom with the applied voltage

Fig. 12. Light field distribution diagram of optical switch

Fig. 13. Switch response time