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A kind of capacitive touch screen with flexible transparent conductive film and preparation method thereof

A transparent film, flexible conductive technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problems of glass-type capacitive touch screens such as thick thickness, heavy weight, and inability to curl, etc., to achieve widening Through the range of the spectrum, reduce reflection, and have the effect of high toughness

Active Publication Date: 2015-10-21
高邮市汇金新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of this technology is to provide a flexible, rollable, thin, light weight, small surface resistance, high light transmittance and low color touch screen for the problems of glass-type capacitive touch screen, such as thick thickness, heavy weight, light transmittance, and inability to curl. degree of capacitive touch screen

Method used

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  • A kind of capacitive touch screen with flexible transparent conductive film and preparation method thereof
  • A kind of capacitive touch screen with flexible transparent conductive film and preparation method thereof
  • A kind of capacitive touch screen with flexible transparent conductive film and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] see figure 2 as shown,

[0028] 1. On both sides of a PET film substrate 1 with a thickness of 188 μm, acrylic resin is coated by wet printing. After coating, it is dried by hot air and hardened by ultraviolet light, and the first resin film layer 8 or the second resin film layer 9 with a thickness of about 5 μm is formed on both sides of the PET film substrate.

[0029] 2. On the surface of the first resin film layer 8, the first Nb with a thickness of 5 nm is formed by means of reactive magnetron sputtering coating 2 o 5 Thin film layer 2. Next, in the first Nb 2 o 5 The first Nb of 15nm is formed on the thin film layer 2 by reactive magnetron sputtering coating method 2 Ox (02 Ox (02 Thin film layer 4, in the first SiO 2 A first SiOy (0<y<2) thin film layer 5 with a thickness of 20 nm is formed on the thin film layer 4 . Finally, on the first SiOy (0<y<2) thin film layer 5, use the same method to form a first ITO thin film layer 6 with a thickness of 25 nm, ...

Embodiment 2

[0031] Embodiment 2 differs from Embodiment 1 in that: the first Nb 2 o 5 Thin film layer 2, the first Nb 2 Ox (02 Thicknesses of the thin film layer 4 , the first SiOy (0

Embodiment 3

[0033] Embodiment 3 differs from Embodiment 1 in that: the first Nb 2 o 5 Thin film layer 2, the first Nb 2 Ox (02 Thicknesses of the thin film layer 4 , the first SiOy (0

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Abstract

The invention provides a capacitive touch screen and a production method thereof. The capacitive touch screen is flexible, curlable, thin, light, low in surface resistance, highly light-permeable and low in chroma. The capacitive touch screen comprises a flexible transparent film substrate. By reactive magnetron sputtering, a first Nb2O5 film layer, a first Nb2Ox(0<x<5) film layer, a first SiO2 film layer, a first SiOx(0<x<2) film layer and a first ITO (indium tin oxide) layer are sequentially deposited on the upper surface of the flexible transparent film substrate; and a second ITO film layer is arranged on the lower surface of the flexible transparent film substrate.

Description

technical field [0001] The technology relates to a capacitive touch screen, specifically, a flexible transparent capacitive touch screen. Background technique [0002] Conventional capacitive touch screens are coated with ITO film layers (coated conductive glass) on both sides of transparent conductive glass. The ITO film layer is used as the working surface, and electrodes are drawn from the four corners. The inner layer of ITO is a shielding layer to ensure a good working environment. . When a finger touches the surface of the touch screen, a coupling capacitor is formed due to the electric field of the human body and the ITO film layer on the surface of the conductive glass. For high-frequency currents, the capacitor is a direct conductor, so the finger sucks a small current. This current flows out of the electrodes on the four corners of the touch screen respectively, and the current flowing through these four electrodes is proportional to the distance from the finger ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
Inventor 王鲁南王建华窦立峰
Owner 高邮市汇金新材料科技有限公司
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