Flexible laser display is a critical component for an information output port in next-generation wearable devices.So far,the lack of appropriate display panels capable of providing sustained operation under rigorous m...Flexible laser display is a critical component for an information output port in next-generation wearable devices.So far,the lack of appropriate display panels capable of providing sustained operation under rigorous mechanical conditions impedes the development of flexible laser displays with high reliability.Owing to the multiple scattering feedback mechanism,random lasers render high mechanical flexibility to withstand deformation,thus making them promising candidates for flexible display planes.However,the inability to obtain pixelated random laser arrays with highly ordered emissive geometries hinders the application of flexible laser displays in the wearable device.Here,for the first time,we demonstrate a mass fabrication strategy of full-color random laser arrays for flexible display panels.The feedback closed loops can be easily fulfilled in the pixels by multiple scatterings to generate durative random lasing.Due to the sustained operation of random laser,the display performance was well-maintained under mechanical deformations,and as a result,a flexible laser display panel was achieved.Our finding will provide a guidance for the development of flexible laser displays and laser illumination devices.展开更多
As future energy-saving optoelectronics,bistable electrochromic(EC)materials/devices have high energy efficiency for potential applications as smart windows,displays,and information/energy storage,due to their ability...As future energy-saving optoelectronics,bistable electrochromic(EC)materials/devices have high energy efficiency for potential applications as smart windows,displays,and information/energy storage,due to their ability tomaintain optical states without consuming energy.However,further development is hindered by the lack of in-depth understanding of related key factors and universally applicable design strategies to achieve bistability.展开更多
基金financially supported by the Ministry of Science and Technology of China(2017YFA0204502)the National Natural Science Foundation of China(21790364)。
文摘Flexible laser display is a critical component for an information output port in next-generation wearable devices.So far,the lack of appropriate display panels capable of providing sustained operation under rigorous mechanical conditions impedes the development of flexible laser displays with high reliability.Owing to the multiple scattering feedback mechanism,random lasers render high mechanical flexibility to withstand deformation,thus making them promising candidates for flexible display planes.However,the inability to obtain pixelated random laser arrays with highly ordered emissive geometries hinders the application of flexible laser displays in the wearable device.Here,for the first time,we demonstrate a mass fabrication strategy of full-color random laser arrays for flexible display panels.The feedback closed loops can be easily fulfilled in the pixels by multiple scatterings to generate durative random lasing.Due to the sustained operation of random laser,the display performance was well-maintained under mechanical deformations,and as a result,a flexible laser display panel was achieved.Our finding will provide a guidance for the development of flexible laser displays and laser illumination devices.
基金the National Natural Science Foundation of China(grant nos.22075098 and 21875087)the China Postdoctoral Science Foundation(grant nos.2020M681039,2021M691187,and 2021T140257)+1 种基金the China National Postdoctoral Program for Innovative Talents(grant no.BX2021110)the Fundamental Research Funds for the Central Universities for their financial support.
文摘As future energy-saving optoelectronics,bistable electrochromic(EC)materials/devices have high energy efficiency for potential applications as smart windows,displays,and information/energy storage,due to their ability tomaintain optical states without consuming energy.However,further development is hindered by the lack of in-depth understanding of related key factors and universally applicable design strategies to achieve bistability.
