Title:
PRESSING-FORCE SENSOR, AND INPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/208560
Kind Code:
A1
Abstract:
A display device (100) is provided with a casing (90). An operation board (110) is fitted to the casing (90) so as to close the aperture of the casing (90). The operation board (110) has an operation surface (101) and a reverse surface (102) opposing the operation surface (101). Inside the casing (90) are arranged, from the operation-surface (101) side, the operation board (110), an electrostatic sensor (11D), a pressing-force sensor (11P), a display part (30), a control circuit module (52), and a battery (70). The pressing-force sensor (11P) has a pressing force detection electrode (11P1), an insulating substrate (11P2), a piezoelectric film (11P0), a pressing force detection electrode (11P3), and an insulating substrate (11P4). The piezoelectric film (11P0) has two long sides (95A), (95B) and two short sides (96A), (96B). The two long sides (95A), (95B) are secured to the operation board (110) with higher modulus of elasticity than are the two short sides (96A), (96B).
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Inventors:
KANO HIDEKAZU (JP)
Application Number:
PCT/JP2016/068340
Publication Date:
December 29, 2016
Filing Date:
June 21, 2016
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
G06F3/041
Domestic Patent References:
| WO2013157508A1 | 2013-10-24 | |||
| WO2015083676A1 | 2015-06-11 | |||
| WO2015083678A1 | 2015-06-11 | |||
| WO2010143528A1 | 2010-12-16 |
Foreign References:
| JPH0561592A | 1993-03-12 | |||
| JP2011253517A | 2011-12-15 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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