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Double layer mutual capacitive touch panel

A touch panel, mutual capacity technology, applied in the direction of instruments, computing, electrical digital data processing, etc., can solve the problem that the range wire 26 cannot be reduced, and achieve the effect of reducing the width of the peripheral area

Active Publication Date: 2021-03-12
ILI TECHNOLOGY CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the design of the conventional double-layer electrode structure, the wires 26 for electrically connecting the sensing electrodes 22 to the pads are arranged in the peripheral regions 20b on both sides of the touch region 20a, so that the peripheral region 20b range will be limited by the number of wires 26 and cannot be reduced

Method used

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  • Double layer mutual capacitive touch panel
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  • Double layer mutual capacitive touch panel

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no. 1 example

[0049] In another variant embodiment, such as Figure 5 As shown, when N is equal to 3, each row of the array includes not only the first electrode series 110 and the second electrode series 112 , but also the third electrode series 128 . For clarity, Figure 5 Only a single row is displayed, but not limited to. Compared with the first embodiment, in the first conductive layer C1a of this variant embodiment, the electrodes E1 located in 3*M-1 columns are electrically connected to each other to form a first electrode series 110a, and the electrodes located in 3*M columns E2 are electrically connected to each other to form a second electrode series 112a, and electrodes E3 located in 3*M-2 columns are electrically connected to each other to form a third electrode series 128, wherein the first electrode series 110a, the second electrode series 112a and the third electrode series 128 are insulated from each other. Each first wire 120 is electrically connected to each first elect...

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Abstract

The invention provides a double-layer mutual capacitive touch panel, which includes a first conductive layer and a second conductive layer. The first conductive layer includes a plurality of electrodes arranged in an array, wherein in each row of the array, electrodes located in (N*M)-1 columns are electrically connected to each other to form a first electrode series, and electrodes located in N*M columns The electrodes are electrically connected to each other to form a second electrode series, N is a positive integer greater than or equal to 2, and M is a positive integer greater than or equal to 1. The second conductive layer includes M electrode strip groups insulated from each other, arranged sequentially along the row direction of the array, wherein each electrode strip group includes N electrode strips electrically connected to each other, and each electrode strip group of each electrode strip group is arranged along the extending along the column direction of the array and respectively overlapping with electrodes corresponding to a column.

Description

technical field [0001] The invention relates to a mutual capacitive touch panel, in particular to a double layer mutual capacitive touch panel with a double layer electrode structure. Background technique [0002] With the rapid development of science and technology, touch display devices composed of displays and touch panels can realize touch and display functions at the same time, and have the characteristics of human-computer interaction, and have been widely used in smart phones (smart phones), satellites, etc. Navigation system (GPS navigator system), tablet computer (tablet PC) and notebook computer (laptopPC) and other electronic products. Among them, the mutual capacitive touch panel has become the mainstream touch technology used in the industry due to its advantages of high accuracy, multi-touch, high durability, and high touch resolution. [0003] The mutual capacitive touch technology mainly detects the touch event by detecting the change of coupling capacitance...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
CPCG06F3/044
Inventor 詹秉燏
Owner ILI TECHNOLOGY CORPORATION
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