Embedded touch device and water mode detection method thereof

A mode detection and touch device technology, which is applied in the fields of instruments, computing, electrical and digital data processing, etc., can solve problems such as the inability to meet the needs of users

Active Publication Date: 2021-07-20
HIMAX TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, if the embedded touch panel operates in the water detection mode, it cannot meet the needs of users

Method used

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  • Embedded touch device and water mode detection method thereof
  • Embedded touch device and water mode detection method thereof
  • Embedded touch device and water mode detection method thereof

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0016] Please refer to figure 1 , figure 1 A flow chart of a water mode detection method according to an embodiment of the present invention is shown. In the in-cell touch panel, all touch pads of the in-cell touch panel can be divided into a plurality of touch detection unit groups. In step S110, a standard touch detection operation is performed, and a standard touch detection operation is performed on each touch detection unit group in the touch detection unit group in each standard scan period of the plurality of standard scan periods . For example: if the embedded touch panel includes ten touch detection unit groups, step S110 can perform standard touch detection operations in ten standard scan cycles, and in ten standard scan cycles, ten detection Groups of cells are scanned individually. In addition, after the ten touch detection unit groups are scanned, the first detection result can be obtained.

[0017] Please refer to Figure 2A , Figure 2A A schematic diagra...

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Abstract

A water mode detection method includes: performing a standard touch detection operation on each touch detection unit group in a plurality of touch detection unit groups in each standard scan period of a plurality of standard scan periods to obtain a first 1. Test results. In the dummy scan period, a dummy touch detection operation is performed on the first touch detection group in the touch detection unit group to obtain a second detection result, and in the dummy touch detection operation, a plurality of The common voltage of the second touch detection group in the touch detection unit group is scanned to the reference ground voltage. A water mode detection result is generated according to the first detection result and the second detection result.

Description

technical field [0001] The invention relates to an embedded touch device, and in particular to a water mode detection method suitable for the embedded touch device. Background technique [0002] In order to provide a convenient human-machine interface, consumer electronic products with touch panels combined with display panels have been widely used. In this regard, the prior art proposes an in-cell touch panel and an add-on touch panel. [0003] In the existing technical field, under the standard touch detection operation, if only water touches the in-cell touch panel, the in-cell touch panel can ignore the influence of water, but if the touch medium (such as : When the user's finger touches the built-in touch panel through water, the touch panel can sense a larger touch area. Please note that in the existing technical field, the in-cell touch panel provides a palm rejection function, and the above-mentioned touch state of a larger area is blocked by the palm rejection fun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0416G06F3/044
Inventor 杨峰伟庄竣凯蔡致诚张仲文
Owner HIMAX TECH LTD
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