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1.State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
2.Key Laboratory of Vascular Aging (HUST), Ministry of Education, Wuhan 430030, China
3.School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
4.Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
5.National Laboratory of Solid State Microstructures, Key Laboratory of Intelligent Optical Sensing and Manipulation, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China
6.School of Performing Arts, Wuhan Conservatory of Music, Wuhan 430060, China
7.School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
8.School of Architecture and Urban Planning, Huazhong University of Science and Technology, Wuhan 430074, China
9.School of Fashion, Beijing Institute of Fashion Technology, Beijing 100029, China
10.School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
11.Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430074, China
12.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
Yan-Qing Lu (yqlu@nju.edu.cn)
Guangming Tao (tao@hust.edu.cn)
Received:07 October 2023,
Revised:22 December 2023,
Accepted:2024-01-15,
Published Online:14 February 2024,
Published:31 March 2024
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Li, P. et al. Wearable and interactive multicolored photochromic fiber display.,Light: Science & Applications, 13, 454-465 (2024).
Li, P. et al. Wearable and interactive multicolored photochromic fiber display.,Light: Science & Applications, 13, 454-465 (2024). DOI: 10.1038/s41377-024-01383-8.
Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent
wearable interactive devices. However
significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight hardware. Here
we introduce a mass-produced
wearable
and interactive photochromic fiber that provides uniform multicolored light control. We designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the fiber. The impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission direction. In addition
we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single fiber. We prepared fibers on mass-produced kilometer-long using the thermal drawing method. The fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as needed. This work provides a new perspective and inspiration to the existing field of fiber display interaction
paving the way for future human–machine integration.
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