Intrinsically stretchable light-emitting drawing displays  

作　　者：Jiaxue Zhang Qianying Lu Ming Wu Yuping Sun Shaolei Wang Xiaoliang Wang Ming-Hui Lu Desheng Kong 

机构地区：[1]College of Engineering and Applied Sciences,National Laboratory of Solid State Microstructure,and Collaborative Innovation Center of Advanced Microstructures,Nanjing 210093,China [2]Jiangsu Key Laboratory of Artificial Functional Materials,Nanjing University,Nanjing 210023,China [3]State Key Laboratory of Analytical Chemistry for Life Science,Nanjing University,Nanjing 210023,China [4]Key Laboratory of High Performance Polymer Materials and Technology of Ministry of Education,Department of Polymer Science and Engineering,School of Chemistry and Chemical Engineering,Nanjing University,Nanjing 210023,China

出　　处：《npj Flexible Electronics》2024年第1期949-956,共8页npj-柔性电子(英文)

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.62374083,52250363,22173046);the State Key Laboratory of Analytical Chemistry for Life Science(Grant No.5431ZZXM2205).

摘　　要：Stretchable displays that combine light-emitting capabilities with mechanical compliance are essential building blocks of nextgeneration wearable electronics.However,their widespread applications are currently limited by complex device architecture,limited pixel density,and immature fabrication processes.In this study,we present the device design and material developments of intrinsically stretchable light-emitting drawing displays that can show arbitrary hand-drawing features.The alternating-current electroluminescent display uses a simplified architecture comprising coplanar interdigitated liquid metal electrodes,an electroluminescent layer,and a dielectric encapsulation layer.Ink patterns on the device are coupled with the interdigitated electrodes under alternating voltage stimulations,generating localized electric fields for bright emissions.Various inks are prepared for painting,stamping,and stencil printing.Arbitrary luminous features on the devices can be either long-lasting or transient in characteristics.These skin-like devices are made entirely of compliant materials that can withstand bending,twisting,and stretching manipulations.Due to the excellent mechanical deformability,the drawing displays can be conformally laminated on the skin as body-integrated optoelectronic communication devices for graphic information.

关 键 词：light LUMINOUS STRETCHING 

分 类 号：TN3[电子电信—物理电子学]