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touch device

A technology of touch devices and touch switches, which is applied in the fields of instruments, computing, electrical digital data processing, etc., can solve the problems of unfavorable visual effects of embedded touch devices, achieve good charging and improve the effect of oversized

Active Publication Date: 2022-03-15
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order for the touch electrode to be well charged by the touch switch, the touch switch needs to have a considerable size, which is easy to be noticed by the user, which is not conducive to the visual effect of the embedded touch device.

Method used

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Embodiment Construction

[0061] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0062] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and descriptions to refer to the same or like parts.

[0063] It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element, or Intermediate elements may also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used herein, "connected" may refer to physical and / or electrical connection. Furthermore, "electrically connected" or "coupled" ...

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PUM

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Abstract

A touch control device includes a plurality of touch scanning elements, a plurality of touch signal lines, a plurality of touch switch groups and a plurality of touch electrodes. The touch signal lines and the touch scanning elements are arranged alternately. The touch switch group is electrically connected with the touch scanning element and the touch signal line. Each touch switch group includes a plurality of touch switches. Each touch switch has a first terminal and a control terminal. The plurality of touch electrodes are separated from each other. Each touch electrode is electrically connected to at least one touch switch group. A plurality of first ends of the plurality of touch switches in each touch switch group are electrically connected to the same touch electrode, and a plurality of control ends of the plurality of touch switches in each touch switch group are electrically connected to the same touch electrode. Touch the scanning element.

Description

technical field [0001] The present invention relates to an electronic device, and in particular to a touch device. Background technique [0002] According to the position of the touch part, touch devices can be classified into out-cell, on-cell and in-cell. Among them, the in-cell touch device has the advantage of thin thickness, and is widely used in high-end electronic products. [0003] The display portion of the in-cell touch device may include a plurality of common electrodes. The plurality of common electrodes may be divided into groups. The plurality of common electrodes of each group are connected to each other. Multiple groups of common electrodes can be used as multiple touch electrodes during the touch sensing period. Taking a self-capacitive in-cell touch device as an example, in general, a plurality of touch electrodes are electrically connected to a plurality of pins of an integrated circuit (or chip) through a plurality of touch signal lines. When the num...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/044
Inventor 范胜钦陈政德刘贵文李家圻黄建雄许景翔
Owner AU OPTRONICS CORP