Processing method of touch screen
A processing method and touch screen technology, applied in the field of touch screen and touch screen processing, can solve the problems of inability to meet process conditions, insufficient wiring space, etc., so as to avoid bad jumping points, solve insufficient wiring space, and avoid bad jumping points. Effect
Active Publication Date: 2019-03-26
深圳市合力泰光电有限公司
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- Application Information
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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] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0021] The following first describes the specific steps and principles of FPC (flexible printed circuit board) hot-press bonding touch screen, and at the same time briefly describes the reasons why traditional touch screens are prone to short circuits.
[0022] Such as Figure 4 As shown, both the FPC4 and the touch screen 100' are single bodies, and the two bodies are bonded by ACF5 (that is, anisotropic conductive adhesive) at high temperature and heat to make them conductive to each other. The operation steps are: ACF5 is att...
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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 the touch screen. Background technique [0002] Common single-layer ITO conductive film touch screens generally etch the ITO conductive pattern on the basis of the ITO conductive film, and then screen-print conductive silver paste lines around the ITO conductive pattern, and the conductive silver paste lines are respectively connected to the ITO conductive patterns. The ITO conductive pattern is connected to the screen driver chip through the conductive silver paste circuit, so as to realize the touch function. [0003] The general production process of the existing single-layer ITO conductive film touch screen is as follows: silk-screen etching paste on the ITO conductive film to produce ITO patterns through exposure and development process, and then silk-screen multiple independent conductive silver paste lines on the surroundings to...
Claims
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IPC IPC(8): G06F3/041
Inventor 王金明
Owner 深圳市合力泰光电有限公司