A pressure touch sensor, display device and driving method thereof

A touch sensor and display device technology, applied in piezoelectric/electrostrictive/magnetostrictive devices, instruments, semiconductor devices, etc., can solve problems such as pressure-sensing misidentification

Active Publication Date: 2021-01-26
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when the pressure touch sensor is applied to a flexible display device, electrical signals will also be generated due to bending, so that when the flexible display device is bent, it is easy to cause misidentification of the pressure sensor.

Method used

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  • A pressure touch sensor, display device and driving method thereof
  • A pressure touch sensor, display device and driving method thereof
  • A pressure touch sensor, display device and driving method thereof

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] An embodiment of the present invention provides a pressure touch sensor 100, such as figure 1 As shown, it includes: a driving electrode 110 , a sensing electrode 120 , and a piezoelectric material layer 130 and a piezoresistive material layer 140 disposed therebetween.

[0043] Here, the working principle of the pressure touch sensor 100 is as follows:

[0044] In pressure sensitive mode, such as figure 2As shown, positive and negative charges are a...

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PUM

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Abstract

The invention provides a pressure touch sensor, a display device and a driving method thereof, which relate to the field of display technology and can prevent pressure-sensitive misidentification when the display device is bent. The pressure touch sensor includes: a driving electrode, a sensing electrode, and a piezoelectric material layer and a piezoresistive material layer arranged between them.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a pressure touch sensor, a display device and a driving method thereof. Background technique [0002] With the development of information technology, the functions of mobile terminals are becoming more and more abundant, and the applications of various new technologies and functions are also presented in different ways. The pressure touch (3D-Touch) technology can sense the pressing force, Therefore, different functions can be realized based on different strengths, thereby increasing user experience. [0003] At present, pressure touch sensors based on piezoelectric effects are generally used to realize multi-touch and pressure sensing functions. The pressure touch sensor includes a driving electrode and a sensing electrode, and a piezoelectric material layer between the driving electrode and the sensing electrode; wherein the piezoelectric material layer is an insulato...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041
CPCG06F3/0414G06F3/0416G06F2203/04105G06F3/0412G06F3/04166G06F3/0445G06F3/0446H10N30/302H10K59/40H10K2102/311G06F2203/04104G06F2203/04102H10N30/853
Inventor 郭玉珍董学王海生吴俊纬刘英明许睿贾亚楠赵利军秦云科顾品超李昌峰丁小梁
Owner BOE TECH GRP CO LTD
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