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Squid-inspired and wirelessly controllable display for active camouflage in aquatic-environment
npj Flexible Electronics ( IF 14.6 ) Pub Date : 2024-03-05 , DOI: 10.1038/s41528-024-00292-5
Doyoung Kim , Seung Won Seon , Minkyung Shin , Jihwan Kim , Bogeun Kim , Janghoon Joo , Sang Uk Park , Wooseok Kim , Hee Kyu Lee , Byeong Woon Lee , Se Gi Lee , Su Eon Lee , Ji-Hun Seo , Seung Ho Han , Bong Hoon Kim , Sang Min Won

Achieving optimal camouflage in an aquatic environment necessitates the ability to modulate transmittance in response to the surrounding obscurity and potential threats. This adaptation involves a dynamic transition from transparency to a deep-blue color, especially in low-light or dark situations. Such a strategy promotes a seamless assimilation with the surroundings, enabling the absorption of searchlights and, subsequently, diminishing the risk of detection by predators. Therefore, the presence of sophisticated mechanisms that facilitates stable and efficient control of transmittance is imperative, enabling smooth transition between transparent and deep-blue hues within the aquatic environment. This study presents nature-inspired programmable camouflage system that integrates an electrochromic display as the primary transmittance change element and a wireless base module for power and data transmission. Such technology offers a robust and flexible construction, ensuring stable operation as demonstrated through mechanical-fatigue experiments and quantitative simulation. A custom circuit and a power-control software package enable active control of multiple electrochromic displays while submerged in water.



中文翻译:

受鱿鱼启发的无线可控显示器,用于水生环境中的主动伪装

要在水生环境中实现最佳伪装,就必须能够根据周围的黑暗和潜在威胁来调节透射率。这种适应涉及从透明到深蓝色的动态过渡,特别是在弱光或黑暗的情况下。这种策略促进了与周围环境的无缝融合,能够吸收探照灯,从而降低被掠食者发现的风险。因此,必须存在有助于稳定有效地控制透射率的复杂机制,从而实现水生环境中透明和深蓝色色调之间的平滑过渡。这项研究提出了受自然启发的可编程伪装系统,该系统集成了作为主要透射率变化元件的电致变色显示器和用于电力和数据传输的无线基础模块。这种技术提供了坚固而灵活的结构,确保了机械疲劳实验和定量模拟所证明的稳定运行。定制电路和电源控制软件包可以在浸入水中时主动控制多个电致变色显示器。

更新日期:2024-03-05
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