Touch screen and processing method thereof
A processing method and touch screen technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of no way to meet the process conditions, insufficient wiring space, etc., to avoid jumping points and solve problems. Insufficient wiring space and the effect of avoiding bad jumping points
Active Publication Date: 2016-03-30
深圳市合力泰光电有限公司
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Problems solved by technology
If it is a screen with a narrow frame, there is generally insufficient space for wiring, and there is no way to meet the process conditions
Method used
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[0020] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.
[0021] The following first describes the specific steps and principles of FPC (flexible circuit board) hot-press bonding touch screens, and briefly describes the reasons why traditional touch screens are prone to short circuits.
[0022] The FPC4 and the touch screen are both a single body, and the two bodies are bonded by ACF5 (anisotropic conductive adhesive) at high temperature and hot pressure to make them conductive. The operation steps are: ACF5 is attached to the conductive silver paste line of t...
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Abstract
The invention discloses a touch screen and a processing method of the touch screen. The processing method of the touch screen comprises the following steps of S1, producing an ITO pattern on an ITO conducting film; S2, silk-screening a peripheral silver paste ground wire and a silver paste block on blank areas, located at the periphery of the ITO pattern, of the ITO conducting film at the same time, wherein the peripheral silver paste ground wire is located at the outside of the silver paste block; and S3, dry-etching the silver paste block to form each independent conducting silver paste wires, wherein multiple independent conducting silver paste wires are connected with the ITO pattern. According to the processing method of the touch screen in the embodiment of the invention, a distance between the peripheral silver paste ground wire and the conducting silver paste wire closest to the peripheral silver paste ground wires is widened efficiently, overlapping of an edge of an ACF after pasted in a pressing manner and an dry-etching area can be avoided, formation of a micro-short-circuit between the peripheral silver paste ground wire and the conducting silver paste wires can be avoided, and the problem of insufficient wiring space of a narrow frame can be solved efficiently.
Description
Technical field [0001] The invention relates to the field of electronic equipment, in particular to a processing method of a touch screen and a touch screen. Background technique [0002] Common single-layer ITO conductive film touch screens generally etch the ITO conductive pattern on the ITO conductive film, and then silk-print conductive silver paste lines around the ITO conductive pattern, and the conductive silver paste lines are connected to the ITO conductive patterns. The ITO conductive pattern is connected to the screen driver chip through a conductive silver paste circuit to realize the touch function. [0003] The general production process of the existing single-layer ITO conductive film touch screen is: screen printing etching paste on the ITO conductive film to create an ITO pattern through an exposure and development process, and then silk-print multiple independent conductive silver paste lines around the ITO pattern of each channel. . The ITO conductive touch scr...
Claims
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Inventor 王金明
Owner 深圳市合力泰光电有限公司