Reflective displays have the advantages of energy efficiency,high brightness,eye protection,and good readability,making them an attractive display technology.Photonic crystal(PhC)structural color is highly regarded as...Reflective displays have the advantages of energy efficiency,high brightness,eye protection,and good readability,making them an attractive display technology.Photonic crystal(PhC)structural color is highly regarded as an ideal choice for reflective displays for its ecofriendliness,colorfastness,and adjustability.In this review,we introduce the fundamental classification and manufacturing methods of PhC reflective displays.We systematically summarize the display principles of PhC-based displays driven by various stimuli.Furthermore,we present the latest research advancements in PhC displays based on smart actuators.Additionally,we offer a detailed overview of the current research status and application prospects of liquid crystal structural color displays and three-dimensional PhC displays.Finally,we discuss the challenges faced by PhC displays and provide insights into their prospects.展开更多
In the realm of modern cryptography and anti-counterfeiting,innovative approaches are crucial to encode sensitive information securely.Tailored responsive structural colors have garnered significant interest due to th...In the realm of modern cryptography and anti-counterfeiting,innovative approaches are crucial to encode sensitive information securely.Tailored responsive structural colors have garnered significant interest due to their feature-rich spectra and high sensitivity to external stimuli.However,high costs and complex processing involved in integrating the various delicate microstructures have impeded their widespread development.In this study,we present a straightforward multilevel chromatic encryption scheme utilizing direct-writing gradient-crosslinked microdomes.The solvent-responsive structural color of each microdome,arising from the synergistic effect of total internal reflections and interference,is adjusted independently across the entire visible region.Each microdome functions as a signal recording unit,enabling multilevel color variations through a solventdependent development step.This approach facilitates the encoding of enhanced information into a single pixel.To demonstrate the efficacy of our method for advanced applications,we have prepared a collection of solvent-dependent multilevel codes for algorithm cryptography,showcasing its potential for high-level anti-counterfeiting and high-density optical data storage.展开更多
基金National Science Fund for Distinguished Young Scholars,Grant/Award Number:22225502National Key R&D Program of China,Grant/Award Numbers:2022YFE0202000,2018YFA0208500+1 种基金National Natural Science Foundation of China,Grant/Award Numbers:22073107,2150410331Bureau of International Cooperation,Chinese Academy of Sciences,Grant/Award Number:027GJHZ2022044MI。
文摘Reflective displays have the advantages of energy efficiency,high brightness,eye protection,and good readability,making them an attractive display technology.Photonic crystal(PhC)structural color is highly regarded as an ideal choice for reflective displays for its ecofriendliness,colorfastness,and adjustability.In this review,we introduce the fundamental classification and manufacturing methods of PhC reflective displays.We systematically summarize the display principles of PhC-based displays driven by various stimuli.Furthermore,we present the latest research advancements in PhC displays based on smart actuators.Additionally,we offer a detailed overview of the current research status and application prospects of liquid crystal structural color displays and three-dimensional PhC displays.Finally,we discuss the challenges faced by PhC displays and provide insights into their prospects.
基金supported by the National Key Research and Development Program of China (2022YFE0202000,2018YFA0208500)the National Science Fund for Distinguished Young Scholars (22225502)+2 种基金the National Natural Science Foundation of China (22073107,51573192)NSFC Research Fund for International Young Scientists (22150410331)the External Co-operation Program of Chinese Academy of Sciences (027GJHZ2022044MI)。
文摘In the realm of modern cryptography and anti-counterfeiting,innovative approaches are crucial to encode sensitive information securely.Tailored responsive structural colors have garnered significant interest due to their feature-rich spectra and high sensitivity to external stimuli.However,high costs and complex processing involved in integrating the various delicate microstructures have impeded their widespread development.In this study,we present a straightforward multilevel chromatic encryption scheme utilizing direct-writing gradient-crosslinked microdomes.The solvent-responsive structural color of each microdome,arising from the synergistic effect of total internal reflections and interference,is adjusted independently across the entire visible region.Each microdome functions as a signal recording unit,enabling multilevel color variations through a solventdependent development step.This approach facilitates the encoding of enhanced information into a single pixel.To demonstrate the efficacy of our method for advanced applications,we have prepared a collection of solvent-dependent multilevel codes for algorithm cryptography,showcasing its potential for high-level anti-counterfeiting and high-density optical data storage.
