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Wireless Stand-Alone Trimodal Interactive Display Enabled by Direct Capacitive Coupling

Authors
 Jihye Jang  ;  Seung Won Lee  ;  Seokyeong Lee  ;  Chang Eun Lee  ;  Eui Hyuk Kim  ;  Wookyeong Jin  ;  Sejeong Lee  ;  Youngkyung Kim  ;  Jin Woo Oh  ;  Youngdoo Jung  ;  HoYeon Kim  ;  Hyungseok Yong  ;  Jeongok Park  ;  Sangmin Lee  ;  Cheolmin Park 
Citation
 ADVANCED MATERIALS, Vol.34(37) : e2204760, 2022-09 
Journal Title
ADVANCED MATERIALS
ISSN
 0935-9648 
Issue Date
2022-09
Keywords
AC-to-AC power transfer ; direct capacitive coupling ; inverse piezoelectric sounds ; tactile vibration ; wireless stand-alone interactive displays
Abstract
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.
Full Text
https://onlinelibrary.wiley.com/doi/10.1002/adma.202204760
DOI
10.1002/adma.202204760
Appears in Collections:
3. College of Nursing (간호대학) > Dept. of Nursing (간호학과) > 1. Journal Papers
Yonsei Authors
Park, Jeongok(박정옥) ORCID logo https://orcid.org/0000-0003-4978-817X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/191971
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