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Touch panel and manufacturing method thereof

A touch panel and manufacturing method technology, which are applied in the fields of instruments, electrical digital data processing, and data processing input/output processes, etc., can solve problems such as difficult and narrow frame design requirements, and achieve increased electrical conductivity, improved electrical conductivity, and increased contact. area effect

Active Publication Date: 2018-11-20
GUANGZHOU GOVISIONOX TECH CO LTD
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  • Abstract
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Problems solved by technology

However, the inventors have found that it is difficult to meet the design requirements of narrow borders for touch panels using nanometer metal wires at present.

Method used

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  • Touch panel and manufacturing method thereof
  • Touch panel and manufacturing method thereof

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Experimental program
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Embodiment Construction

[0033] As mentioned in the background art, it is difficult to achieve a narrow frame in the existing touch panel. The inventors have found that this is because, in the preparation process of silver nano wire touch panels, the silver nano wire solution is usually directly coated on the substrate to form the silver nano wire conductive layer, but the silver nano wire conductive layer only relies on If the weaker intermolecular force overlaps together, the bonding strength between the conductive layer of the nano-silver wire and the substrate is poor, and it is easy to slip during the bending process, resulting in high resistance and unstable resistance of the touch panel. Phenomenon. Therefore, the inventor tries to coat a covering layer on the nano-silver wire conductive layer, usually the covering layer is a transparent insulating adhesive layer, such as an optical adhesive layer, and the coated covering layer can improve the distance between the nano-silver wire conductive la...

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Abstract

The invention provides a touch panel and a manufacturing method thereof. The touch panel comprises a substrate, wherein the substrate comprises a first region and a second region, and the second region of the substrate is sunken; a nanometer metal wire layer at least covering the sunken second region; a protective layer arranged on the nanometer metal wire layer; and a trace layer arranged on theprotective layer and electrically connected with the nanometer metal wire layer. The edge of the substrate is sunken, so that the contact area between the nanometer metal wire layer and the trace layer is increased, and at the same time, a conductive polymer is introduced into the protective layer of the sunken edge of the substrate to increase the conductive performance between the nanometer metal wire layer and the trace layer.

Description

technical field [0001] The invention relates to touch technology, in particular to a touch panel and a manufacturing method thereof. Background technique [0002] The touch panel (Touch Panel) has gained more and more applications in display technology fields such as tourist guide systems, automatic teller machines, portable electronic products, and industrial control systems because of its convenient use. The touch panels with the highest usage rate are mainly resistive touch panels and capacitive touch panels, but for the sake of controllability, ease of use and surface appearance, most users choose capacitive touch panels as their best choice. Best preferred equipment. [0003] In a capacitive touch panel of a traditional smart phone, the material of the touch electrode is usually indium tin oxide (abbreviated as ITO). ITO has the characteristics of high light transmission and good electrical conductivity, but the surface resistance of ITO is too large and the manufactu...

Claims

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Application Information

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IPC IPC(8): G06F3/041
CPCG06F3/041G06F2203/04103
Inventor 林昶
Owner GUANGZHOU GOVISIONOX TECH CO LTD
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