New PDLC-Films Doped by Black Dye

Dorozhkina, Galina N.; Prudnikova, Elena K.; Torgova, S. I.; Umanskiĭ, B. A.; Novoseletskii, Nikolai V.; Strigazzi, Alfredo

doi:10.1080/10587250108028647

Cited by 5 publications

(1 citation statement)

References 7 publications

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“…Thus, multiple dichroic dyes were mixed to formulate guest-host LCs with broad absorption bands, as shown in Fig. 6a, and thereby achieve absorption across almost the entire visible range of the spectrum [74][75][76][77] . In addition, the solubility of dichroic dyes in LCs and the order parameter (S) greatly affect the performance of guest-host light protection devices.…”

Section: Electron Transition-based Absorptionmentioning

confidence: 99%

Advanced liquid crystal-based switchable optical devices for light protection applications: principles and strategies

Zhang

Han

et al. 2023

Light Sci Appl

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With the development of optical technologies, transparent materials that provide protection from light have received considerable attention from scholars. As important channels for external light, windows play a vital role in the regulation of light in buildings, vehicles, and aircrafts. There is a need for windows with switchable optical properties to prevent or attenuate damage or interference to the human eye and light-sensitive instruments by inappropriate optical radiation. In this context, liquid crystals (LCs), owing to their rich responsiveness and unique optical properties, have been considered among the best candidates for advanced light protection materials. In this review, we provide an overview of advances in research on LC-based methods for protection against light. First, we introduce the characteristics of different light sources and their protection requirements. Second, we introduce several classes of light modulation principles based on liquid crystal materials and demonstrate the feasibility of using them for light protection. In addition, we discuss current light protection strategies based on liquid crystal materials for different applications. Finally, we discuss the problems and shortcomings of current strategies. We propose several suggestions for the development of liquid crystal materials in the field of light protection.

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Section: Electron Transition-based Absorptionmentioning

confidence: 99%