期刊
ADVANCED MATERIALS
卷 34, 期 37, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202204760
关键词
AC-to-AC power transfer; direct capacitive coupling; inverse piezoelectric sounds; tactile vibration; wireless stand-alone interactive displays
类别
资金
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2018M3D1A1058536]
- National Research Foundation of Korea (NRF) - Korean government (MEST) [2020R1A2B5B03002697]
- Korea Medical Device Development Fund grant - Korea government (the Ministry of Science and ICT) [9991006750, KMDF_PR_20200901_0077, 1711138098]
- Korea Medical Device Development Fund grant - Korea government (Ministry of Trade, Industry and Energy) [9991006750, KMDF_PR_20200901_0077, 1711138098]
- Korea Medical Device Development Fund grant - Korea government (Ministry of Health Welfare) [9991006750, KMDF_PR_20200901_0077, 1711138098]
- Korea Medical Device Development Fund grant - Korea government (Ministry of Food and Drug Safety) [9991006750, KMDF_PR_20200901_0077, 1711138098]
- Brain Korea 21 FOUR Project - National Research Foundation (NRF) of Korea, Yonsei University College of Nursing [F21JB7504007]
- Korea Health Industry Development Institute (KHIDI) - Ministry of Health & Welfare, Republic of Korea [HI19C1344]
In this study, a wireless stand-alone interactive display (WiSID) without electrical interconnection was developed. It demonstrated potential applications in wireless dynamic monitoring of medical fluids and smart braille display.
With recent advances in interactive displays, the development of a stand-alone interactive display with no electrical interconnection is of great interest. Here, a wireless stand-alone interactive display (WiSID), enabled by direct capacitive coupling, consisting of three layers: two in-plane metal electrodes separated by a gap, a composite layer for field-induced electroluminescence (EL) and inverse piezoelectric sound, and a stimuli-responsive layer, from bottom to top, is presented. Alternating current power necessary for field-induced EL and inverse piezoelectric sound is wirelessly transferred from a power unit, with two in-plane electrodes remotely separated from the WiSID. The unique in-plane power transfer through the stimuli-sensitive polar bridge allows stand-alone operation of the WiSID, making it suitable for the wireless dynamic monitoring of medical fluids. Moreover, a haptic wireless stand-alone trimodal interactive display mounted on a human finger is demonstrated, whereby touch is wirelessly displayed in various outputs of EL, inverse piezoelectric sound, and tactile vibration, making it suitable for a wireless three-mode smart braille display.
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