Title:
HAPTIC FEEDBACK BUTTON
Document Type and Number:
WIPO Patent Application WO/2018/151440
Kind Code:
A1
Abstract:
The present invention relates to a haptic feedback button. The present invention comprises: a substrate; a lower electrode provided on an upper portion of the substrate, and formed by patterning a ground electrode and a touch sensing electrode; an upper electrode, provided above the lower electrode with an interval from the lower electrode, to which a driving voltage is applied; and a cover provided on an upper portion of the upper electrode, wherein a piezoelectric polymer is provided on an upper portion of the lower electrode or a lower portion of the upper electrode so that fretting vibration may be generated when the piezoelectric polymer is in close contact with the lower electrode or the upper electrode that are disposed to face each other.
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Inventors:
CHOI SEUNG TAE (KR)
Application Number:
PCT/KR2018/001179
Publication Date:
August 23, 2018
Filing Date:
January 26, 2018
Export Citation:
Assignee:
CHUNGANG UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION (KR)
International Classes:
G06F3/01; G06F3/041; H01L41/047; H01L41/09; H01L41/193
Foreign References:
| KR20140109002A | 2014-09-15 | |||
| KR20100065816A | 2010-06-17 | |||
| US20090322496A1 | 2009-12-31 | |||
| JP2016129015A | 2016-07-14 | |||
| KR20150043138A | 2015-04-22 |
Attorney, Agent or Firm:
ZENA PATENT LAW FIRM (KR)
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