期刊
NATURE MATERIALS
卷 12, 期 10, 页码 899-904出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMAT3711
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资金
- DARPA/DSO Maximum Mobility and Manipulation
- Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-AC02-05CH11231]
- Director,Office of Science, Office of Basic Energy Sciences,Materials Sciences and Engineering Division,of the US Department of Energy [DE-AC02-05CH11231]
- World Class University programme at Sunchon National University
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [0847076] Funding Source: National Science Foundation
Electronic skin (e-skin) presents a network of mechanically flexible sensors that can conformally wrap irregular surfaces and spatially map and quantify various stimuli(1-12). Previous works on e-skin have focused on the optimization of pressure sensors interfaced with an electronic readout, whereas user interfaces based on a human-readable output were not explored. Here, we report the first user-interactive e-skin that not only spatially maps the applied pressure but also provides an instantaneous visual response through a built-in active-matrix organic light-emitting diode display with red, green and blue pixels. In this system, organic light-emitting diodes (OLEDs) are turned on locally where the surface is touched, and the intensity of the emitted light quantifies the magnitude of the applied pressure. This work represents a system-on-plastic(4,13-17) demonstration where three distinct electronic components-thin-film transistor, pressure sensor and OLED arrays-are monolithically integrated over large areas on a single plastic substrate. The reported e-skin may find a wide range of applications in interactive input/control devices, smart wallpapers, robotics and medical/health monitoring devices.
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