Feature recognition structure, manufacturing method, driving method and related device

A technology of feature recognition and driving method, applied in character and pattern recognition, manufacturing/assembly of piezoelectric/electrostrictive devices, instruments, etc. The structure cannot be integrated with each other, so as to achieve high practical value and simplify the structure of touch recognition

Active Publication Date: 2019-06-18
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] It can be seen that different types of touch recognition structures cannot be integrated with each other, which is not conducive to the development of lightweight and miniaturized mobile terminals such as mobile phones

Method used

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  • Feature recognition structure, manufacturing method, driving method and related device
  • Feature recognition structure, manufacturing method, driving method and related device
  • Feature recognition structure, manufacturing method, driving method and related device

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Embodiment Construction

[0055] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0056] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0057]It should be...

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PUM

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Abstract

The invention provides a feature recognition structure, a manufacturing method, a driving method and a related device. The feature recognition structure comprises: a plurality of first electrodes anda plurality of second electrodes, wherein the first electrodes and the second electrodes are arranged on a substrate, and orthographic projections of the first electrodes and the orthographic projections of the second electrodes on the substrate are mutually crossed to form a plurality of overlapped areas; a plurality of functional patterns which are arranged between the plurality of first electrodes and the plurality of second electrodes, wherein the orthographic projection of the functional patterns on the substrate is located in the overlapping area, the material of the functional pattern comprises a piezoelectric material, the functional pattern at least comprises two types of sub-patterns, and the piezoelectric coefficients of the different types of sub-patterns are different. Functional patterns with different piezoelectric coefficients are arranged between the first electrode and the second electrode so as to form piezoelectric sensors with different piezoelectric effects, different pressing levels can be sensed, and therefore more types of touch recognition can be achieved.

Description

technical field [0001] The invention relates to the technical field of touch recognition of display devices, in particular to a feature recognition structure, a manufacturing method, a feature recognition device and a driving method. Background technique [0002] With the development of terminals, more and more applications requiring touch recognition are becoming popular. Common touch recognition mainly includes: fingerprint recognition and press command recognition. [0003] The touch recognition structure of existing terminals cannot realize multi-level pressure recognition, so one touch recognition structure cannot be used to recognize different types of touch intentions. For example, in current mobile terminals, the fingerprint identification module and the pressing action identification module are separate structures, and the fingerprint identification module is externally placed on the surface of the terminal (such as the Home button of a mobile phone), which can onl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0487G06K9/00
CPCG06F3/04144G06V40/1306H10N30/87H10N30/302H10N30/853H10N30/077H10N30/082G06F2203/04103H10N30/06
Inventor 班圣光曹占锋姚琪高延凯
Owner BOE TECH GRP CO LTD
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