Fig. 1. Schematic representation of (a)working principle and (b)images of PDLCs in their OFF/ON states^［41］

Fig. 2. (a) Transmittance-voltage diagram (illustration: schematic diagram of porous cavity of PDLC and PD&SCh），(b) schematic diagram of polymer network structure，and (c) Physical diagram of dimming device based on PDLC and PD&SCh^［57］.

Fig. 3. Schematic representation of the working principle and images of PSLCs in their OFF/ON states^［62］

Fig. 4. PSLC under conditions of varying mono-acrylate monomer ratios. (a) Top-view of the SEM images of the morphology of the polymer network；(b) Threshold and saturation voltage for PSLC under different mono-acrylate monomer ratios.

Fig. 5. (a) Prototype of a G2.5 size PSLC smart window in the OFF/ON state; (b）Transmittance recorded for a PSLC in the OFF and ON states as a function of switching times^［62］.

Fig. 6. (a) Schematic representation of the working principle of PSLC doped with Ag nanoparticles in the OFF/ON states^［72］; (b) Variations in the voltages for V₁₀ and V₉₀ under conditions of varying Ag nanoparticle concentrations^［72］.

Fig. 7. Cross-sectional SEM images of the polymer networks for PSLC with alignment layers fabricated using(a) polyimide and (b）bifunctional silanes^［75］

Fig. 8. Schematic representation of the working principle and images of the multistable CLC windows with four optical states based on the bilayer structure consisting of a polymer-stabilized CLC layer and a non-polymer stabilized CLC layer^［87］

Fig. 9. (a）Transmission spectra of polymer-stabilized cholesteric liquid crystal (PSCLC)cells treated with different in situ electric fields; (b) Reflection bandwidth of the PSCLC cells versus in situ direct current (DC)electric field^［95］.

Fig. 10. Schematic representation of the working principle and images of PSCLCs in their OFF/ON states^［97］

Fig. 11. (a) Structure of RM257 and RM23 monomer; (b）SEM images of polymer network structure of different monomer functionality^［99］.

Fig. 12. (a) Schematic variation of pitch and cross-linking density^［102］；(b) Before and (c) after applying PSCLC AC voltage to the PSCLC device^［102］.

Fig. 13. Schematic of fabrication process of super-reflection device. (a) Original CLC sample；(b) Right-handed polymer network structure；(c) Filled with CLC with opposite rotation^［109］.

Fig. 14. (a) Image of a colored PSLC in the OFF/ON states；(b) Physical diagram of a PSLC doped with a PSLC device^［110］.

Fig. 15. Dichroic dye with three optical states of (a) voltage on，(c) voltage off slowly，(e)voltage off quickly; and (b），(d），(f)POM diagram (illustration： physical diagram）^［111］.

Fig. 16. (a) Schematic representation of the operating principle of the EHDI smart window in the OFF/ON state； (b) Chemical structure of the zwitterionic Reichardt’s dye； (c) Image of the EHDI based on the zwitterion.