Capacitance-type touch control sensor and manufacturing method thereof and capacitance-type touch control panel

Abstract

The invention discloses a capacitance-type touch control sensor, which comprises a plurality of first axis routes, a plurality of second axis routes, an insulation layer and a plurality of metal wires. Each first axis route comprises a plurality of first axis sensing mats and a plurality of first connection lines, and each first connection line is used for bridge connecting two adjacent first axis sensing mats. Each second axis route comprises a plurality of second axis sensing mats and a plurality of second connection lines, and each second connection line is used for bridge connecting two adjacent second axis sensing mats. At least one of the first connection line and the second connection line is a metal spray printed line.

Description

technical field [0001] The invention relates to a capacitive touch sensor, a manufacturing method of the capacitive touch sensor and a capacitive touch panel. Background technique [0002] In the existing touch panel manufacturing process, the metal wires produced by screen printing or yellow light manufacturing process are easy to be observed by users because of their high visibility, which affects the visual effect. Although this shortcoming can be improved by narrowing the line width, the line width cannot be greatly narrowed due to the limitation of the manufacturing process. In addition, the film thickness of the metal bridge structure produced by the general thin-film yellow light process is usually about 0.2um-0.3um. When the antistatic ability of the touch panel is tested, it is easy to break at the bridge due to the high impedance of the metal wire. In addition, the method of forming the bridging line structure and wiring structure by using steps such as thin film,...

AI Technical Summary

Problems solved by technology

[0002] In the existing touch panel manufacturing process, the metal wires produced by screen printing or yellow light process have high visibility, which makes it easy for users to observe and affects the visual effect

Although this shortcoming can be improved by narrowing the line width, the line width cannot be greatly narrowed due to the limitation of the manufacturing process.

In addition, the film thickness of the metal bridge structure produced by the general thin-film yellow light process is usually about 0.2um-0.3um. When the touch panel is testing the antistatic ability, it is easy to break at the bridge due to the high impedance of the metal wire

In addition, the method of forming the bridging line structure and wiring structure by using steps such as thin film, yellow light, and etching must go through multiple processes, which is not only expensive for related equipment, but also easily leads to waste of materials

Furthermore, if a plastic substrate is used as a transparent substrate, since the plastic substrate has poor tolerance to ultraviolet light and acid and alkali solutions, it is easy to damage the material properties during yellowing and etching processes, resulting in poor product yield.

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