PRESSURE MEASUREMENT STRUCTURE AND TOUCH DEVICE - SHENZHEN HUIDING TECHNOLOGY CO

Title:

PRESSURE MEASUREMENT STRUCTURE AND TOUCH DEVICE

Document Type and Number:

WIPO Patent Application WO/2017/113764

Kind Code:

A1

Abstract:

A pressure measurement structure and a touch device. The structure is installed on a middle frame (40) of a touch device, and comprises a cover plate (1), a display means (2), and a pressure sensor (3). The display means (2) is located below the cover plate (1) and comprises a display module (22). The pressure sensor (3) is disposed inside the display means (2). Any conductive member of the display means (2) or the conductive middle frame (40) is used as a reference electrode. A variable gap exists between the pressure sensor (3) and the reference electrode. The pressure sensor (3) outputs a pressure signal according to a capacitance variation between a sensing electrode (7) of the pressure sensor (3) and the reference electrode. The pressure measurement structure can accurately measure pressure and enhances product reliability.

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Inventors:

WEN DAFEI (CN)
LIU WU (CN)
RAN RUI (CN)

Application Number:

PCT/CN2016/090619

Publication Date:

July 06, 2017

Filing Date:

July 20, 2016

Export Citation:

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Assignee:

SHENZHEN HUIDING TECHNOLOGY CO (CN)

International Classes:

G06F3/041; G06F3/044

Foreign References:

CN205302238U	2016-06-08
CN205384588U	2016-07-13
CN105446538A	2016-03-30
CN105068695A	2015-11-18
JP2009169523A	2009-07-30
CN204759381U	2015-11-11
CN105138183A	2015-12-09
KR20150096104A	2015-08-24

Other References: