共形矩阵
有机发光二极管
材料科学
光电子学
灵活性(工程)
二极管
透明度(行为)
平板显示器
透射率
纳米技术
计算机科学
复合材料
统计
数学
计算机安全
图层(电子)
作者
Chao Xue,Yanping Ni,Xiaoli Zhao,Na He,Juntong Li,Yu Hong,Mingxin Zhang,Xiaoqian Liu,Bin Wang,Jing Sun,Xu Han,Junru Zhang,Jingjing Sun,Yanhong Tong,Qingxin Tang,Yichun Liu
标识
DOI:10.1016/j.mtphys.2023.101157
摘要
A skin-attachable invisible display offers a new opportunity in next-generation electronic application, such as smart contact lenses, human-machine health monitoring interfaces and soft electronic skins. In response to this trend, transparent organic light-emitting diodes (OLEDs) offer enormous advantages in future skin-attachable invisible displays, including excellent flexibility and superior efficiency. Although several approaches reported recently attempt to manufacture transparent and flexible OLEDs, it is still a tremendous challenge to simultaneously meet the desired optical and mechanical properties. Herein, we develop a feasible strategy to achieve transparent and conformable OLEDs (TC-OLEDs). Benefiting from the intrinsic high transparency and outstanding deformability of our electrodes, the whole device shows high transmittance up to 85.0% at a wavelength of 400 nm and high mechanical flexibility with skin-like conformability. More strikingly, the resulting device maintains excellent photoelectric performance with a maximum current efficiency (CE) of 56.8 cd/A and external quantum efficiency (EQE) of 17.1%. Based on the versatile TC-OLEDs, we also report an all-organic and all-conformable invisible display driven by transparent and conformable organic thin film transistors (TC-OTFTs) for the first time. This work offers a meaningful guidance for the construction of TC-OLEDs and the development of skin-attachable invisible displays.
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