Fig. 1. （a）PDLC^［25］，（b）PSLC^［26］，（c）PD&SLC^［25］，（d）PNLC^［27］‍，（e）PWSLC transparent and scattered state structure diagram，and corresponding polymer microstructure.

Fig. 2. Working principle of black smart window and photos^［38］‍

Fig. 3. （a）Structure of orange azo dichroic dye；（b）LC droplet size varied with dye concentration^［40］.

Fig. 4. （a）Photos of large area PSLC smart windows in transparent and scattered states^［44］；（b）Schematic diagram of electrochromic PSCLC+ChLC smart window working mechanism.

Fig. 5. （a）Schematic diagram of working mechanism of thermochromic PSLC smart window；（b）Schematic diagrams of working mechanism of PSLC smart window doped with graphene and actual pictures at different temperature and electric field^［59］.

Fig. 6. （a）Schematic diagram of PD&SLC film preparation process^［61］；（b）Thermochromic PD&SLC film at low temperature（left）and high temperature（right）actual photos^［62］.

Fig. 7. Schematic diagram of working mechanism of samples with different LCM concentrations and actual pictures^［25］

Fig. 8. [in Chinese]

Fig. 9. [in Chinese]

Fig. 10. （a）Schematic diagram of B3AZ molecule structure；（b）Schematic diagram of PNLC smart window polymerization process；（c）Schematic diagram of NLC molecule arrangement near polymer wall^［70］.

Fig. 11. （a）Short-circuit current and energy density of two kinds of smart windows with a-Si layer thickness of 13 nm and 28 nm in transparent state and scattering state and the comparison with the energy density required for self-supply ^［72］；（b）Working principle and photos of smart window when transparent solar cell and PD&SLC dimming film are fitted together ^［73］.

Fig. 12. （a）Schematic diagram of solar cells integrated in a smart window frame^［75］；（b）Working principle of the smart window when nitrogen doped carbon quantum dots（N-CQDs）based waveguide and PDLC dimmer film are bonded^［76］.