ABSTRACT
The study reports a novel liquid crystal (LC) film that can be applied on the transmissive substrates or stuck on existing casement window to upgrade the shield. The shadow area and transmittance can be adjusted according to the condition of the outer sunshine. The window is energy saving for which maintains the transmittance after a once-off operation of pulse amplitude modulation (PAM) electric driving. Such a film can be applied in smart curtain, display frame edge and other transmissive electro-optical devices.
GRAPHICAL ABSTRACT
![](/cms/asset/bfba368c-79f4-405a-b032-b2bbe3a5a4eb/tlct_a_1209700_uf0001_oc.jpg)
Acknowledgments
The authors would like to thank the National Science Council of Taiwan for financially supporting this research under Grant No. Ministry of science and technology (MOST) 102-2112-M-006-010-MY3.
Disclosure statement
No potential conflict of interest was reported by the authors.