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Capacitive touch screen panel device with double-film glass

A capacitive touch screen and glass technology, applied in the direction of electrical digital data processing, input/output process of data processing, instruments, etc., can solve the problems of increasing environmental pollution, increasing production costs, etc., and achieve the effect of reducing production costs

Inactive Publication Date: 2012-10-24
金百芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the disadvantage of this capacitive touch screen is that the upper and lower layers of the protective glass are provided with an upper layer of transparent conductive film glass and a bottom layer of ITO transparent conductive film, which requires chemical etching to discharge chemical raw materials, increase environmental pollution, and increase production. cost

Method used

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  • Capacitive touch screen panel device with double-film glass

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Embodiment Construction

[0011] Such as figure 1 As shown, a capacitive touch screen panel device of a double-film glass is composed of an upper protective glass 1, a lower protective glass 4, and a transparent adhesive 3. The bottom surface of the upper protective glass 1 is provided with an upper transparent conductive film glass 2, so The bottom surface of the lower protective glass 4 is provided with a lower transparent conductive film glass 5, and the bottom surface of the upper transparent conductive film glass 2 is composited to the surface of the lower protective glass 4 by an optically transparent adhesive 3, and the upper transparent conductive film glass 2 includes a plurality of The touch electrodes, the touch electrodes are connected to the touch chip through wires, and the upper transparent conductive film 2 adopts graphic structure design respectively.

[0012] In the present invention, there is a layer of transparent conductive film glass on the bottom surface of the upper protective g...

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Abstract

The invention relates to the technical field of touch screens, in particular to a capacitive touch screen panel device with double-film glass. The capacitive touch screen panel device consists of upper-layer protective glass, lower-layer protective glass and transparent mucilage glue. Upper-layer transparent conductive film glass is arranged on the bottom surface of the transparent, lower-layer transparent conductive film glass is arranged on the bottom surface of the lower-layer protective glass, and the bottom surface of the upper-layer transparent conductive film glass is compounded on the surface of the lower-layer protective glass through optical transparent mucilage glue. Chemical etching treatment is not required, no chemical substance is discharged, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of touch screens, in particular to a capacitive touch screen panel device of double-film glass. Background technique [0002] A capacitive touch screen is a touch screen that senses touch signals through the combination of electrodes and human body characteristics. When the four sides of the touch screen are plated with long and narrow electrodes, a low-voltage AC electric field is formed in the conductor. When the human body (finger) touches the screen, due to the action of the electric field of the human body, a coupling capacitance will be formed between the finger and the conductor layer, and the current generated by the electrodes on the four sides will flow to the contact, and the current strength is proportional to the distance from the finger to the electrode. The controller behind the scenes will calculate the ratio and strength of the current, and accurately calculate the position of the touch poi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/044
Inventor 廖志宏
Owner 金百芳