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Recent Progress in Liquid Crystal-Based Smart Windows with Low Driving Voltage and High Contrast

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Publicado en:Photonics vol. 12, no. 8 (2025), p. 819-846
Autor principal: Zhou Yitong
Otros Autores: Li, Guoqiang
Publicado:
MDPI AG
Materias:
Transmittance
Optical properties
Green buildings
Liquid crystals
Voltage
Windows (computer programs)
Smart materials
Environmental changes
Environmental conditions
Architecture
Heat
Metal oxides
Privacy
Energy consumption
Climate change
Polymers
Electric potential
Air conditioning
Carbon
Temperature
Windows (apertures)
Phase transitions
Medical equipment
Light
Acceso en línea:Citation/Abstract
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Resumen:Smart windows based on liquid crystal (LC) have made significant advancements over the past decade. As critical mediators of outdoor light entering indoor spaces, these windows can dynamically and rapidly adjust their transmittance to adapt to changing environmental conditions, thereby enhancing living comfort. To further improve device performance, reduce energy consumption, and ensure greater safety for everyday use, scientists have recently focused on reducing driving voltage and enhancing contrast ratio, achieving notable progress in these areas. This article provides a concise overview of the fundamental principles and major applications of LC smart windows. It systematically reviews recent advancements over the past two years in improving these two key optical properties for variable transmittance LC smart windows, both internally and externally, and highlights the remaining challenges alongside potential future directions for development.
ISSN:2304-6732
DOI:10.3390/photonics12080819
Fuente:Advanced Technologies & Aerospace Database