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Touch screen preparation method

A touch screen and touch electrode technology, which is applied in the direction of instruments, electrical digital data processing, data processing input/output process, etc., can solve the problem that thick lines cannot meet the design requirements of narrow border touch screens, etc.

Inactive Publication Date: 2014-05-28
NANCHANG O FILM TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a touch screen preparation method for the problem that the thicker lines cannot meet the design requirements for a narrow frame touch screen

Method used

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Embodiment Construction

[0037] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0038] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as...

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Abstract

The invention provides a touch screen preparation method, which comprises the following steps of providing a conducting film of which the surface is provided with a patterned touch electrode; coating photoresist on the side, provided with the touch electrode, of the conducting film for forming a photoresist layer; exposing the photoresist layer through photomask with a preset pattern under illumination to obtain the exposed photoresist layer; developing the exposed photoresist layer, and obtaining a groove which is positioned at the edge of the touch electrode and is connected with the touch electrode from the photoresist layer; filling and solidifying conducting materials in the groove, and forming the conducting materials into the groove into a lead wire; removing the photoresist layer for exposing the lead wire. According to the touch screen preparation method, the photoresist layer is exposed and developed for generating the groove, and the conducting materials are filled into the groove for forming the lead wire, compared with a manner of directly printing a lead wire, the lead wire obtained by utilizing an exposure and development technology is finer in circuit, and the design requirements of narrow bezel touch screens are met.

Description

technical field [0001] The invention relates to touch screen technology, in particular to a touch screen preparation method. Background technique [0002] A touch screen is an inductive device that can receive input signals such as touch. The touch screen has endowed information interaction with a new look and is an attractive new information interaction device. It is widely used as an input terminal in electronic products such as mobile phones, TV sets, and tablet computers. With the increasing demand for the appearance and aesthetics of electronic products (minimizing the frame and maximizing the window), the narrow frame touch screen is slowly becoming a fashion design trend. [0003] The frame of the touch screen has multiple leads connected to the conductive patterns in the visible area of ​​the touch screen. In order to realize the narrowing of the frame of the touch screen, the lead wires need to minimize the line width and distance. Generally, the lead wires of a t...

Claims

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Application Information

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IPC IPC(8): G06F3/041
Inventor 周志华
Owner NANCHANG O FILM TECH CO LTD
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