Mi Hanbing, Zhong Leni, Tang Xiaoxiao, Xu Pengtao, Liu Xingyi, Luo Tianzhi, Jiang Xingyu
Department of Biomedical Engineering, Southern University of Science and Technology, No. 1088 Xueyuan Rd, Nanshan District, Shenzhen, Guangdong 518055, People's Republic of China.
CAS Center for Excellence in Nanoscience, CAS Key Laboratory of Biomedical Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, No. 11 Zhongguancun Beiyitiao, Beijing 100190, People's Republic of China.
ACS Appl Mater Interfaces. 2021 Mar 10;13(9):11260-11267. doi: 10.1021/acsami.0c19743. Epub 2021 Feb 24.
Flexible textile displays can be revolutionary for information transmission at any place and any time. Typically, textile displays are fabricated by traditional rigid electronics that sacrifice mechanical flexibility of devices or by flexible electronics that do not have an appropriate choice to arbitrarily control single pixels. This work reports on an electroluminescent fabric woven by ultrastretchable fibers (electroluminescent fibers up to 400% stretch, electrode fibers up to 250% stretch), which can exhibit the pixel-based arbitrarily controllable pattern display by a mobile phone application. To realize ultrastretchability, we made these fibers by encapsulating liquid metals on a polyurethane core (high elasticity). To realize arbitrary control, the design shows a plain-woven structure comprising ZnS-based electroluminescent fibers and perpendicular electrode fibers. The cross-points between the electroluminescent fiber and the electrode fiber form pixels that can be switched on or off independently and can further form the pixel-based arbitrarily controllable pattern display. By doping with different elements, ZnS-based electroluminescent fibers can emit green, blue, or yellow lights. Meanwhile, the fabrication of these fibers employs dip-coating, a scalable manufacturing method without high temperature or vacuum atmosphere. These fabrics show great potential in a wide range of applications such as wearable electronic devices, healthcare, and fashion design.
柔性纺织显示器对于随时随地的信息传输可能具有革命性意义。通常，纺织显示器是由牺牲器件机械柔韧性的传统刚性电子产品制造而成，或者是由没有合适方式来任意控制单个像素的柔性电子产品制造而成。这项工作报道了一种由超拉伸纤维编织而成的电致发光织物（电致发光纤维可拉伸至400%，电极纤维可拉伸至250%），它可以通过手机应用实现基于像素的任意可控图案显示。为了实现超拉伸性，我们通过将液态金属封装在聚氨酯芯（高弹性）上来制造这些纤维。为了实现任意控制，该设计展示了一种平纹编织结构，包括基于硫化锌的电致发光纤维和垂直的电极纤维。电致发光纤维与电极纤维的交叉点形成像素，这些像素可以独立地开启或关闭，并能进一步形成基于像素的任意可控图案显示。通过掺杂不同元素，基于硫化锌的电致发光纤维可以发出绿色、蓝色或黄色光。同时，这些纤维的制造采用浸涂法，这是一种无需高温或真空环境的可扩展制造方法。这些织物在可穿戴电子设备、医疗保健和时尚设计等广泛应用中显示出巨大潜力。
